CA2447239C - Endocardial mapping system - Google Patents
Endocardial mapping system Download PDFInfo
- Publication number
- CA2447239C CA2447239C CA2447239A CA2447239A CA2447239C CA 2447239 C CA2447239 C CA 2447239C CA 2447239 A CA2447239 A CA 2447239A CA 2447239 A CA2447239 A CA 2447239A CA 2447239 C CA2447239 C CA 2447239C
- Authority
- CA
- Canada
- Prior art keywords
- lead body
- electrode
- heart
- electrodes
- catheter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6853—Catheters with a balloon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/282—Holders for multiple electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6858—Catheters with a distal basket, e.g. expandable basket
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/3625—External stimulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/37—Monitoring; Protecting
- A61N1/3702—Physiological parameters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
- A61B2018/00267—Expandable means emitting energy, e.g. by elements carried thereon having a basket shaped structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
- A61B2560/0443—Modular apparatus
- A61B2560/045—Modular apparatus with a separable interface unit, e.g. for communication
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/043—Arrangements of multiple sensors of the same type in a linear array
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
Abstract
A mapping catheter assembly including a flexible lead body and a deformable lead body. A lumen is provided to accept a reference catheter which includes a distal tip electrode assembly. In use an array of electrode sites are deformed into a spherical shape after the assembly is placed in a heart chamber. The reference electrode assembly is advanced into contact with the heart wall to provide calibration information for the array.
Description
TITLE OF THE INVENTION
ENDOCARDIAL MAPPING SYSTEM
CROSS-REFERENCE TO A RELATED CASE
The present application is a division of Canadian patent application Ser. No. 2,144,973, filed, March 17, 1995, disclosing an endocardial mapping system.
FIELD OF THE INVENTION
The present invention relates generally to endocardial catheters which can be used to map the electrical activity of the heart, and more particularly to a multiple electrode catheter and its method of manufacture.
BACKGROUND OF THE INVENTION
Cardiac arrhythmias can be treated pharmacologically, surgically, or by the implantation of a medical device. In the case of a tachycardia it is now common to perform endocardial mapping to determine the origin and mechanism of the arrythmia prior to selecting a therapeutic approach. Endocardial mapping can also be used to monitor or assess the efficacy of a therapy once selected and delivered.
Traditionally endocardial mapping techniques involve the introduction of one or more catheters into the patient, advancing the catheters through a blood vessel and placing the catheters in a heart chamber. Once located in the heart, the electrode or electrodes of the catheters are pressed against the endocardial surface to record the electrical potential of the cardiac tissue at that electrode site. Single electrode contact systems are tedious to use but they do not interfere with the normal blood flow through the heart. Multiple electrode contact systems are also available to permit simultaneous mapping of potentials from several electrode sites. However some of these systems block blood flow through the heart. Multiple electrode systems which do not interfere with the blood flow, and which do not contact the surface of the heart are also known, although these systems do not permit a high resolution map of the endocardial surface.
U.S. Pat. No. 4,649,924 to Taccardi teaches a catheter which is inserted into the heart chamber. The distal end of this catheter is formed into an elliptical shape which is much smaller than the heart chamber. The multiple electrodes on the surface of this ellipsoid may be used to detect the electrical potential produced by the area of the endocardial surface proximate each individual electrode. Accurate measurements require that the electrodes do not touch the endocardial surface. This type of catheter floats freely in the heart chamber but will typically touch the walls of the beating heart. The constant motion of the catheter and contact with the walls frustrates accurate measurement of the cardiac potentials. Therefore these prior non-contact mapping and in-contact mapping catheters compromise the accuracy of the resultant map with the ease of use. Therefore there is a need for a catheter which can be used to develop an accurate representation of the electrical activity of the heart.
OBJECTS AND STATEMENT OF THE INVENTION
The mapping catheter assembly 10 includes a flexible lead body 12 connected to a deformable distal lead body 14. The deformable distal lead body 14 can be formed into a stable space filling geometric shape after introduction into the heart cavity 20. This deformable distal lead body 14 includes an electrode array 16 defining a number of electrode sites. The mapping catheter assembly 10 also includes a reference electrode preferably placed on a reference catheter 18 which passes through a central lumen 22 formed in the flexible lead body 12 and the distal lead body 14. The reference catheter assembly 18 has a distal tip electrode assembly 29 which may be used to probe the heart wall. This distal contact electrode assembly 29 provides a surface or subsurface electrical reference for calibration. The physical length of the reference catheter 18 taken with the position of the electrode array 16 together provide a reference which may be used to calibrate the electrode array 16. The reference catheter 18 also stabilizes the position of the electrode array 16 which is desirable.
ENDOCARDIAL MAPPING SYSTEM
CROSS-REFERENCE TO A RELATED CASE
The present application is a division of Canadian patent application Ser. No. 2,144,973, filed, March 17, 1995, disclosing an endocardial mapping system.
FIELD OF THE INVENTION
The present invention relates generally to endocardial catheters which can be used to map the electrical activity of the heart, and more particularly to a multiple electrode catheter and its method of manufacture.
BACKGROUND OF THE INVENTION
Cardiac arrhythmias can be treated pharmacologically, surgically, or by the implantation of a medical device. In the case of a tachycardia it is now common to perform endocardial mapping to determine the origin and mechanism of the arrythmia prior to selecting a therapeutic approach. Endocardial mapping can also be used to monitor or assess the efficacy of a therapy once selected and delivered.
Traditionally endocardial mapping techniques involve the introduction of one or more catheters into the patient, advancing the catheters through a blood vessel and placing the catheters in a heart chamber. Once located in the heart, the electrode or electrodes of the catheters are pressed against the endocardial surface to record the electrical potential of the cardiac tissue at that electrode site. Single electrode contact systems are tedious to use but they do not interfere with the normal blood flow through the heart. Multiple electrode contact systems are also available to permit simultaneous mapping of potentials from several electrode sites. However some of these systems block blood flow through the heart. Multiple electrode systems which do not interfere with the blood flow, and which do not contact the surface of the heart are also known, although these systems do not permit a high resolution map of the endocardial surface.
U.S. Pat. No. 4,649,924 to Taccardi teaches a catheter which is inserted into the heart chamber. The distal end of this catheter is formed into an elliptical shape which is much smaller than the heart chamber. The multiple electrodes on the surface of this ellipsoid may be used to detect the electrical potential produced by the area of the endocardial surface proximate each individual electrode. Accurate measurements require that the electrodes do not touch the endocardial surface. This type of catheter floats freely in the heart chamber but will typically touch the walls of the beating heart. The constant motion of the catheter and contact with the walls frustrates accurate measurement of the cardiac potentials. Therefore these prior non-contact mapping and in-contact mapping catheters compromise the accuracy of the resultant map with the ease of use. Therefore there is a need for a catheter which can be used to develop an accurate representation of the electrical activity of the heart.
OBJECTS AND STATEMENT OF THE INVENTION
The mapping catheter assembly 10 includes a flexible lead body 12 connected to a deformable distal lead body 14. The deformable distal lead body 14 can be formed into a stable space filling geometric shape after introduction into the heart cavity 20. This deformable distal lead body 14 includes an electrode array 16 defining a number of electrode sites. The mapping catheter assembly 10 also includes a reference electrode preferably placed on a reference catheter 18 which passes through a central lumen 22 formed in the flexible lead body 12 and the distal lead body 14. The reference catheter assembly 18 has a distal tip electrode assembly 29 which may be used to probe the heart wall. This distal contact electrode assembly 29 provides a surface or subsurface electrical reference for calibration. The physical length of the reference catheter 18 taken with the position of the electrode array 16 together provide a reference which may be used to calibrate the electrode array 16. The reference catheter 18 also stabilizes the position of the electrode array 16 which is desirable.
These structural elements provide a mapping catheter assembly which can be readily postiioned within the heart and used to acquire highly accurate information concerning the electrical activity of the heart from a first set of preferably non-contact electrode sites and/or a second set of in-contact electrode sites.
The present invention further provides a mapping catheter for use in mapping cardiac electrical potentials of a patient's heart comprising:
a set of electrodes;
first positioning means coupled to said set of electrodes for spacing a portion of said set of electrodes, defined as a first subset of electrodes, apart from and not in contact with a surface of said patient's heart;
second positioning means coupled to said set of electrodes for placing a second predetermined subset of said set of electrodes into contact with a surface of said patient's heart, said second predetermined subset being different from said first subset; and means for excluding blood from an interior of said spaced portion of said set of electrodes.
The present invention further provides a catheter assembly for mapping the interior of a patient's heart comprising:
a first set of electrode sites defining a first electrode array;
said electrode array adapted to be positioned within said patient's heart with a substantial number of said electrodes not in contact with said heart;
a second set of electrode sites adapted to be located in contact with said patient's heart, said second set of electrode sites being different from said first set of electrode sites; and means for excluding blood from an interior of said electrode array.
The present invention further provides a catheter assembly for mapping the electrical potential of the interior of a heart chamber of a patient's heart, comprising:
a flexible lead body, connected to a deformable lead body, said flexible lead body and said deformable lead body having a lumen;
-3a-said deformable lead body deformable to a first collapsed position wherein said deformable lead body has a substantially cylindrical shape, and said deformable lead body deformable to a second expanded position wherein said deformable lead body has a substantially spherical shape;
an electrode array having a plurality of electrode sites located proximate said deformable lead body, wherein said electrode sites form a spherical array of electrode sites when said deformable lead body is in said second expanded position;
a reference catheter having a tip electrode assembly;
said reference catheter being located in said lumen and supported for relative motion with respect to said electrode array such that said tip electrode assembly is locatable in contact with said patient's heart when said array is in said heart chamber to provide a reference location for the electrode array.
The present invention further provides a method of forming a catheter comprising the steps of:
a) forming a collection of insulated wires each having an interior conductor, and each having an exterior insulation coating;
b) braiding the wires formed in step a) forming a braided structure having a central lumen;
c) incorporating the braided structure in a polymeric material forming a flexible lead body;
d) removing said polymeric material from a portion of said flexible lead body exposing said braid of insulated wires forming a deformable lead body;
e) removing insulation from selected locations on selected insulated wires to form electrode sites on said deformable lead body.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with a catheter located in the heart chamber; b) determining the position of the catheter; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of substantially the whole endocardium.
-3b-The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with a catheter located in the heart chamber; b) determining the position of the catheter; c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the catheter superimposed on the representation.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the electrode superimposed on the representation.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of substantially the whole endocardium.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of electrical activity of an endocardial surface.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode of a catheter, said electrode being in the heart chamber; b) determining the position of the electrode;
c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the catheter superimposed on the representation.
The present invention further provides a system that acquires and represents physiological data in a heart chamber, comprising: a catheter having an -3c-electrode positionable in the heart chamber to acquire physiological data; an analog-to-digital converter coupled to the catheter to process catheter position information and the physiological data; and a computer usable medium having computer readable program code to represent the physiological data in the heart chamber, the computer readable program code comprising: code to create a three-dimensional representation of the physiological data using the catheter position information.
For use with a system that acquires and represents physiological data in a heart chamber, wherein the system includes a catheter having an electrode positionable in the heart chamber to acquire physiological data and an analog-to-digital converter coupled to the catheter to process catheter position information and the physiological data, the present invention further provides a computer usable medium having computer readable program code to cause an application program to execute on a computer to acquire and represent the physiological data in the heart chamber, the computer readable program code comprising: code to create a three-dimensional representation of the physiological data using the catheter position information.
IN THE DRAWINGS
An illustrative example of the invention is shown in the drawing.
Throughout the various figures of the drawing identical numerals refer to identical structure.
FIG. 1 is a view of the catheter assembly placed in an endocardial cavity.
FIG. 2 is a schematic view of the catheter assembly.
FIG. 3 is a view of the mapping catheter with the deformable lead body in the collapsed position.
FIG. 4 is a view of the mapping catheter with the deformable lead body in the expanded position.
FIG. 5 is a view of the reference catheter.
FIG. 6 is a side view of an alternate reference catheter.
FIG. 7 is a side view of an alternate reference catheter.
FIG. 8 is a perspective view of an alternate distal tip.
-3d-DESCRIPTION OF PREFERRED EMBODIMENTS
FIG. 1 shows a portion of the mapping catheter assembly 10 placed into a heart chamber 20. The mapping catheter assembly 10 includes a reference catheter 18 and an array catheter 11. In FIG. 1 the array catheter 11 has been expanded through the use of a stylet 32 to place the electrode array 16 into a stable and reproducible geometric shape. The reference catheter 18 has been passed through the lumen 22 of the array catheter 11 to place a distal tip electrode assembly 29 into position against an endocardial surface. In use, the reference catheter 18 provides a mechanical location reference for the position of the electrode array 16, and the tip electrode assembly 29 provides an electrical potential reference at or in the heart wall for the mapping process.
Although the structures of FIG. 1 are preferred there are several alternatives within the scope of the invention. The principle objective of the preferred form of the catheter system is to reliably place a known collection of electrode sites away from the endocardial surface, and one or more electrode sites into contact with the endocardium. The array catheter is an illustrative structure for placing at least some of the electrode sites away from the endocardial surface. The array catheter itself can be designed to mechanically position one or more electrode sites on the endocardial surface. The reference catheter is a preferred structure for carrying one or more electrode sites and may be used to place these electrode sites into intimate contact with the endocardial surface.
It should be understood that the reference catheter could be replaced with a fixed extension of the array catheter and used to push a segment of the array into the endocardial surface. In this embodiment the spherical array maintains the other electrodes out of contact with the endocardial surface.
FIG. 2 shows the preferred construction of the mapping catheter assembly 10 in exaggerated scale to clarify details o construction. In general, the array catheter 11 includes a flexible lead body 12 coupled to a deformable lead body 14. The deformable lead body 14 is preferably a braid 15 of insulated wires, several of which are shown as wire 33, wire 34, wire 35 and wire 36. An individual wire such as 33 may be traced in the figure from the electrical connection 19 at the proximal end 21 of the flexible lead body 12 through the flexible lead body 12 to the distal braid ring 23 located on the deformable lead body 14. At a predetermined location in the deformable lead body 14 the insulation has been selectively removed from this wire 33 to form a representative electrode site 24.
Each of the several wires in the braid 15 may potentially be used to form an electrode site Preferably all of the typically twenty--four to sixty-four wires in the braid 15 are used to form electrode sites. Wires not used as electrode sites provide mechanical support for the electrode array 16. In general, the electrode sites will be located equidistant from a center defined at the center of the spherical array. Other geometrical shapes are possible including ellipsoidal and the like. However, it is generally desirable to have the electrode sites positioned in a spherical array.
The proximal end 21 of the mapping catheter assembly 10 has suitable electrical connection 19 for the individual wires connected to the various electrode sites. Similarly the proximal connector 19 can have a suitable electrical connection for the distal tip electrode assembly 29 of the reference catheter or the reference catheter 18 can use a separate connector. The distance 30 between the electrode array 16 and the distal tip assembly 29 electrode ca preferentially be varied by sliding the reference catheter through the lumen 22, as shown by motion arrow 25. This distance 30 may be "read" at the proximal end 21 by noting the relative position of the end of the lead body 12 and the proximal end of the reference catheter 18.
FIG. 3 is a view of the mapping catheter with the deformable lead body 14 in the collapsed position.
FIG. 4 shows that the wire stylet 32 is attached to the distal braid ring 23 and positioned in the lumen 22. Traction applied to the distal braid ring 23 by relative motion of the si:ylet 32 with respect to the lead body 12 causes the braid 15 to change shape. In general, traction causes the braid 15 to move from a generally cylindrical form seen in FIG. 3 to a generally spherical form seen best in FIG. 1 and FIG. 4.
The preferred technique is to provide a stylet 32 which can be used to pull the braid 15 which will deploy the electrode array 16. However, other techniques may be used as well including an optional balloon 17 (FIG. 2) which could be inflated under the electrode array 16 thereby causing the spherical deployment of the array 16. Modification of the braid 15 can be used to control the final shape of the array 16. For example an asymmetrical braid pattern using differing diameter wires within the braid can preferentially alter the shape of the array. The most important property of the geometric shape is that it spaces the electrode sites relatively far apart and that the shape be predictable with a high degree of accuracy.
FIG. 5 shows a first embodiment of the reference catheter 18 where the distal electrode assembly 29 is blunt and may be used to make a surface measurement against the endocardial surface. In this version of the catheter assembly the wire 37 (FIG. 1) communicates to the distal tip electrode and this wire may be terminated in the connector 19.
FIG. 6 shows an alternate reference catheter 38 which is preferred if both surface and/or subsurface measurements of the potential proximate the endocardial surface are desired. This catheter 38 includes both a ring electrode 39 and an extendable intramural electrode body 40.
FIG. 7 illustrates the preferred use of an intramural electrode stylet 41 to retract the sharp intramural electrode body 40 into the reference catheter lead body 42. Motion of the intramural electrode body 40 into the lead body 42 is shown by arrow 43.
FIG. 8 shows the location of the intramural electrode site 44 on the electrode body 40. It is desirable to use a relatively small electrode site to permit localization of the intramural electrical activity.
The array catheter 11 may be made by any of a variety of techniques. In one method of manufacture, the braid 15 of insulated wires 33,34,35,36 can be encapsulated into a plastic material to form the flexible lead body 12. This plastic material can be any of various biocompatible compounds with polyurethane being preferred. The encapsulation material for the flexible lead body 12 is selected in part for its ability to be selectively removed to expose the insulated braid 15 to form the deformable lead body 14. The use of a braid 15 rather than a spiral wrap, axial wrap, or other configuration inherently strengthens and supports the electrodes due to the interlocking nature of the braid. This interlocking braid 15 also insures that, as the electrode array 16 deploys, it does so with predictable dimensional control. This braid 15 structure also supports the array catheter and provides for the structural integrity of the array catheter 11 where the encapsulating material has been removed.
To form the deformable lead body 14 at the distal end of the array catheter 11, the encapsulating material can be removed by known techniques.
In a preferred embodiment this removal is accomplished by mechanical removal of the encapsulating material by grinding or the like. It is also possible to remove the material with a solvent. If the encapsulating material is polyurethane, tetrahydrofuran or cyclohexanone can be used as a solvent. In some embodiments the encapsulating material is not removed from the extreme distal tip to provide enhanced mechanical integrity forming a distal braid ring 23.
With the insulated braid 15 exposed, to form the deformable lead body 14 the electrodes sites can be formed by removing the insulation over the conductor in selected areas. Known techniques would involve mechanical, thermal or chemical removal of the insulation followed by identification of the appropriate conducting wire at the proximal connector 19. This method makes it difficult to have the orientation of the proximal conductors in a predictable repeatable manner. Color coding of the insulation to enable selection of the conductor/electrode is possible but is also difficult when large numbers of electrodes are required. Therefore it is preferred to select and form the electrode array through the use of high voltage electricity. By applying high voltage electricity (typically 1-3 KV) to the proximal end of the conductor and detecting this energy through the insulation it is possible to facilitate the creation of the electrode on a known conductor at a desired locationõ After localization, the electrode site can be created by removing insulation using standard means.
Modifications can be made to this mapping catheter assembly without departing from the teachings of the present invention. Accordingly the scope of the invention is only to be limited only by the accompanying claims.
The present invention further provides a mapping catheter for use in mapping cardiac electrical potentials of a patient's heart comprising:
a set of electrodes;
first positioning means coupled to said set of electrodes for spacing a portion of said set of electrodes, defined as a first subset of electrodes, apart from and not in contact with a surface of said patient's heart;
second positioning means coupled to said set of electrodes for placing a second predetermined subset of said set of electrodes into contact with a surface of said patient's heart, said second predetermined subset being different from said first subset; and means for excluding blood from an interior of said spaced portion of said set of electrodes.
The present invention further provides a catheter assembly for mapping the interior of a patient's heart comprising:
a first set of electrode sites defining a first electrode array;
said electrode array adapted to be positioned within said patient's heart with a substantial number of said electrodes not in contact with said heart;
a second set of electrode sites adapted to be located in contact with said patient's heart, said second set of electrode sites being different from said first set of electrode sites; and means for excluding blood from an interior of said electrode array.
The present invention further provides a catheter assembly for mapping the electrical potential of the interior of a heart chamber of a patient's heart, comprising:
a flexible lead body, connected to a deformable lead body, said flexible lead body and said deformable lead body having a lumen;
-3a-said deformable lead body deformable to a first collapsed position wherein said deformable lead body has a substantially cylindrical shape, and said deformable lead body deformable to a second expanded position wherein said deformable lead body has a substantially spherical shape;
an electrode array having a plurality of electrode sites located proximate said deformable lead body, wherein said electrode sites form a spherical array of electrode sites when said deformable lead body is in said second expanded position;
a reference catheter having a tip electrode assembly;
said reference catheter being located in said lumen and supported for relative motion with respect to said electrode array such that said tip electrode assembly is locatable in contact with said patient's heart when said array is in said heart chamber to provide a reference location for the electrode array.
The present invention further provides a method of forming a catheter comprising the steps of:
a) forming a collection of insulated wires each having an interior conductor, and each having an exterior insulation coating;
b) braiding the wires formed in step a) forming a braided structure having a central lumen;
c) incorporating the braided structure in a polymeric material forming a flexible lead body;
d) removing said polymeric material from a portion of said flexible lead body exposing said braid of insulated wires forming a deformable lead body;
e) removing insulation from selected locations on selected insulated wires to form electrode sites on said deformable lead body.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with a catheter located in the heart chamber; b) determining the position of the catheter; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of substantially the whole endocardium.
-3b-The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with a catheter located in the heart chamber; b) determining the position of the catheter; c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the catheter superimposed on the representation.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the electrode superimposed on the representation.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of substantially the whole endocardium.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode located in the heart chamber; b) determining the position of the electrode; and c) creating a three-dimensional representation of the physiological data, wherein the representation is a continuous representation of electrical activity of an endocardial surface.
The present invention further provides a method of acquiring and representing physiological data in a heart chamber, comprising: a) acquiring physiological data in the heart chamber with an electrode of a catheter, said electrode being in the heart chamber; b) determining the position of the electrode;
c) creating a three-dimensional representation of the physiological data; and d) displaying the position of the catheter superimposed on the representation.
The present invention further provides a system that acquires and represents physiological data in a heart chamber, comprising: a catheter having an -3c-electrode positionable in the heart chamber to acquire physiological data; an analog-to-digital converter coupled to the catheter to process catheter position information and the physiological data; and a computer usable medium having computer readable program code to represent the physiological data in the heart chamber, the computer readable program code comprising: code to create a three-dimensional representation of the physiological data using the catheter position information.
For use with a system that acquires and represents physiological data in a heart chamber, wherein the system includes a catheter having an electrode positionable in the heart chamber to acquire physiological data and an analog-to-digital converter coupled to the catheter to process catheter position information and the physiological data, the present invention further provides a computer usable medium having computer readable program code to cause an application program to execute on a computer to acquire and represent the physiological data in the heart chamber, the computer readable program code comprising: code to create a three-dimensional representation of the physiological data using the catheter position information.
IN THE DRAWINGS
An illustrative example of the invention is shown in the drawing.
Throughout the various figures of the drawing identical numerals refer to identical structure.
FIG. 1 is a view of the catheter assembly placed in an endocardial cavity.
FIG. 2 is a schematic view of the catheter assembly.
FIG. 3 is a view of the mapping catheter with the deformable lead body in the collapsed position.
FIG. 4 is a view of the mapping catheter with the deformable lead body in the expanded position.
FIG. 5 is a view of the reference catheter.
FIG. 6 is a side view of an alternate reference catheter.
FIG. 7 is a side view of an alternate reference catheter.
FIG. 8 is a perspective view of an alternate distal tip.
-3d-DESCRIPTION OF PREFERRED EMBODIMENTS
FIG. 1 shows a portion of the mapping catheter assembly 10 placed into a heart chamber 20. The mapping catheter assembly 10 includes a reference catheter 18 and an array catheter 11. In FIG. 1 the array catheter 11 has been expanded through the use of a stylet 32 to place the electrode array 16 into a stable and reproducible geometric shape. The reference catheter 18 has been passed through the lumen 22 of the array catheter 11 to place a distal tip electrode assembly 29 into position against an endocardial surface. In use, the reference catheter 18 provides a mechanical location reference for the position of the electrode array 16, and the tip electrode assembly 29 provides an electrical potential reference at or in the heart wall for the mapping process.
Although the structures of FIG. 1 are preferred there are several alternatives within the scope of the invention. The principle objective of the preferred form of the catheter system is to reliably place a known collection of electrode sites away from the endocardial surface, and one or more electrode sites into contact with the endocardium. The array catheter is an illustrative structure for placing at least some of the electrode sites away from the endocardial surface. The array catheter itself can be designed to mechanically position one or more electrode sites on the endocardial surface. The reference catheter is a preferred structure for carrying one or more electrode sites and may be used to place these electrode sites into intimate contact with the endocardial surface.
It should be understood that the reference catheter could be replaced with a fixed extension of the array catheter and used to push a segment of the array into the endocardial surface. In this embodiment the spherical array maintains the other electrodes out of contact with the endocardial surface.
FIG. 2 shows the preferred construction of the mapping catheter assembly 10 in exaggerated scale to clarify details o construction. In general, the array catheter 11 includes a flexible lead body 12 coupled to a deformable lead body 14. The deformable lead body 14 is preferably a braid 15 of insulated wires, several of which are shown as wire 33, wire 34, wire 35 and wire 36. An individual wire such as 33 may be traced in the figure from the electrical connection 19 at the proximal end 21 of the flexible lead body 12 through the flexible lead body 12 to the distal braid ring 23 located on the deformable lead body 14. At a predetermined location in the deformable lead body 14 the insulation has been selectively removed from this wire 33 to form a representative electrode site 24.
Each of the several wires in the braid 15 may potentially be used to form an electrode site Preferably all of the typically twenty--four to sixty-four wires in the braid 15 are used to form electrode sites. Wires not used as electrode sites provide mechanical support for the electrode array 16. In general, the electrode sites will be located equidistant from a center defined at the center of the spherical array. Other geometrical shapes are possible including ellipsoidal and the like. However, it is generally desirable to have the electrode sites positioned in a spherical array.
The proximal end 21 of the mapping catheter assembly 10 has suitable electrical connection 19 for the individual wires connected to the various electrode sites. Similarly the proximal connector 19 can have a suitable electrical connection for the distal tip electrode assembly 29 of the reference catheter or the reference catheter 18 can use a separate connector. The distance 30 between the electrode array 16 and the distal tip assembly 29 electrode ca preferentially be varied by sliding the reference catheter through the lumen 22, as shown by motion arrow 25. This distance 30 may be "read" at the proximal end 21 by noting the relative position of the end of the lead body 12 and the proximal end of the reference catheter 18.
FIG. 3 is a view of the mapping catheter with the deformable lead body 14 in the collapsed position.
FIG. 4 shows that the wire stylet 32 is attached to the distal braid ring 23 and positioned in the lumen 22. Traction applied to the distal braid ring 23 by relative motion of the si:ylet 32 with respect to the lead body 12 causes the braid 15 to change shape. In general, traction causes the braid 15 to move from a generally cylindrical form seen in FIG. 3 to a generally spherical form seen best in FIG. 1 and FIG. 4.
The preferred technique is to provide a stylet 32 which can be used to pull the braid 15 which will deploy the electrode array 16. However, other techniques may be used as well including an optional balloon 17 (FIG. 2) which could be inflated under the electrode array 16 thereby causing the spherical deployment of the array 16. Modification of the braid 15 can be used to control the final shape of the array 16. For example an asymmetrical braid pattern using differing diameter wires within the braid can preferentially alter the shape of the array. The most important property of the geometric shape is that it spaces the electrode sites relatively far apart and that the shape be predictable with a high degree of accuracy.
FIG. 5 shows a first embodiment of the reference catheter 18 where the distal electrode assembly 29 is blunt and may be used to make a surface measurement against the endocardial surface. In this version of the catheter assembly the wire 37 (FIG. 1) communicates to the distal tip electrode and this wire may be terminated in the connector 19.
FIG. 6 shows an alternate reference catheter 38 which is preferred if both surface and/or subsurface measurements of the potential proximate the endocardial surface are desired. This catheter 38 includes both a ring electrode 39 and an extendable intramural electrode body 40.
FIG. 7 illustrates the preferred use of an intramural electrode stylet 41 to retract the sharp intramural electrode body 40 into the reference catheter lead body 42. Motion of the intramural electrode body 40 into the lead body 42 is shown by arrow 43.
FIG. 8 shows the location of the intramural electrode site 44 on the electrode body 40. It is desirable to use a relatively small electrode site to permit localization of the intramural electrical activity.
The array catheter 11 may be made by any of a variety of techniques. In one method of manufacture, the braid 15 of insulated wires 33,34,35,36 can be encapsulated into a plastic material to form the flexible lead body 12. This plastic material can be any of various biocompatible compounds with polyurethane being preferred. The encapsulation material for the flexible lead body 12 is selected in part for its ability to be selectively removed to expose the insulated braid 15 to form the deformable lead body 14. The use of a braid 15 rather than a spiral wrap, axial wrap, or other configuration inherently strengthens and supports the electrodes due to the interlocking nature of the braid. This interlocking braid 15 also insures that, as the electrode array 16 deploys, it does so with predictable dimensional control. This braid 15 structure also supports the array catheter and provides for the structural integrity of the array catheter 11 where the encapsulating material has been removed.
To form the deformable lead body 14 at the distal end of the array catheter 11, the encapsulating material can be removed by known techniques.
In a preferred embodiment this removal is accomplished by mechanical removal of the encapsulating material by grinding or the like. It is also possible to remove the material with a solvent. If the encapsulating material is polyurethane, tetrahydrofuran or cyclohexanone can be used as a solvent. In some embodiments the encapsulating material is not removed from the extreme distal tip to provide enhanced mechanical integrity forming a distal braid ring 23.
With the insulated braid 15 exposed, to form the deformable lead body 14 the electrodes sites can be formed by removing the insulation over the conductor in selected areas. Known techniques would involve mechanical, thermal or chemical removal of the insulation followed by identification of the appropriate conducting wire at the proximal connector 19. This method makes it difficult to have the orientation of the proximal conductors in a predictable repeatable manner. Color coding of the insulation to enable selection of the conductor/electrode is possible but is also difficult when large numbers of electrodes are required. Therefore it is preferred to select and form the electrode array through the use of high voltage electricity. By applying high voltage electricity (typically 1-3 KV) to the proximal end of the conductor and detecting this energy through the insulation it is possible to facilitate the creation of the electrode on a known conductor at a desired locationõ After localization, the electrode site can be created by removing insulation using standard means.
Modifications can be made to this mapping catheter assembly without departing from the teachings of the present invention. Accordingly the scope of the invention is only to be limited only by the accompanying claims.
Claims (12)
1. A mapping catheter for use in mapping cardiac electrical potentials of a patient's heart comprising:
a set of electrodes;
first positioning means coupled to said set of electrodes for spacing a portion of said set of electrodes, defined as a first subset of electrodes, apart from and not in contact with a surface of said patient's heart;
second positioning means coupled to said set of electrodes for placing a second predetermined subset of said set of electrodes into contact with a surface of said patient's heart, said second predetermined subset being different from said first subset; and means for excluding blood from an interior of said spaced portion of said set of electrodes.
a set of electrodes;
first positioning means coupled to said set of electrodes for spacing a portion of said set of electrodes, defined as a first subset of electrodes, apart from and not in contact with a surface of said patient's heart;
second positioning means coupled to said set of electrodes for placing a second predetermined subset of said set of electrodes into contact with a surface of said patient's heart, said second predetermined subset being different from said first subset; and means for excluding blood from an interior of said spaced portion of said set of electrodes.
2. The apparatus of claim 1, further comprising:
third positioning means coupled to said set of electrodes for placing a third predetermined subset of said electrodes into a position beneath a surface of said patient's heart.
third positioning means coupled to said set of electrodes for placing a third predetermined subset of said electrodes into a position beneath a surface of said patient's heart.
3. The apparatus of claim 1, wherein said set of electrodes exceeds twelve electrodes.
4. The apparatus of claim 1, wherein said first subset of electrodes exceeds one electrode.
5. The apparatus of claim 1, wherein said second subset is at least one electrode.
6. The apparatus of claim 1, wherein said first positioning means is substantially spherical in shape.
7. The apparatus of claim 1, wherein said second positioning means is a substantially linear shape.
8. A catheter assembly for mapping the interior of a patient's heart comprising:
a first set of electrode sites defining a first electrode array;
said electrode array adapted to be positioned within said patient's heart with a substantial number of said electrodes not in contact with said heart;
a second set of electrode sites adapted to be located in contact with said patient's heart, said second set of electrode sites being different from said first set of electrode sites; and means for excluding blood from an interior of said electrode array.
a first set of electrode sites defining a first electrode array;
said electrode array adapted to be positioned within said patient's heart with a substantial number of said electrodes not in contact with said heart;
a second set of electrode sites adapted to be located in contact with said patient's heart, said second set of electrode sites being different from said first set of electrode sites; and means for excluding blood from an interior of said electrode array.
9. A catheter assembly for mapping the electrical potential of the interior of a heart chamber of a patient's heart, comprising:
a flexible lead body, connected to a deformable lead body, said flexible lead body and said deformable lead body having a lumen;
said deformable lead body deformable to a first collapsed position wherein said deformable lead body has a substantially cylindrical shape, and said deformable lead body deformable to a second expanded position wherein said deformable lead body has a substantially spherical shape;
an electrode array having a plurality of electrode sites located proximate said deformable lead body, wherein said electrode sites form a spherical array of electrode sites when said deformable lead body is in said second expanded position;
a reference catheter having a tip electrode assembly;
said reference catheter being located in said lumen and supported for relative motion with respect to said electrode array such that said tip electrode assembly is locatable in contact with said patient's heart when said array is in said heart chamber to provide a reference location for the electrode array.
a flexible lead body, connected to a deformable lead body, said flexible lead body and said deformable lead body having a lumen;
said deformable lead body deformable to a first collapsed position wherein said deformable lead body has a substantially cylindrical shape, and said deformable lead body deformable to a second expanded position wherein said deformable lead body has a substantially spherical shape;
an electrode array having a plurality of electrode sites located proximate said deformable lead body, wherein said electrode sites form a spherical array of electrode sites when said deformable lead body is in said second expanded position;
a reference catheter having a tip electrode assembly;
said reference catheter being located in said lumen and supported for relative motion with respect to said electrode array such that said tip electrode assembly is locatable in contact with said patient's heart when said array is in said heart chamber to provide a reference location for the electrode array.
10. The catheter assembly of claim 9, further comprising:
means for excluding blood from the interior of said deformable lead body when said deformable lead body is in said second expanded position.
means for excluding blood from the interior of said deformable lead body when said deformable lead body is in said second expanded position.
11. The catheter assembly of claim 9, wherein said flexible lead body comprises a braid of insulated wires incorporated into a polymeric sheath.
12. A method of forming a catheter comprising the steps of:
a) forming a collection of insulated wires each having an interior conductor, and each having an exterior insulation coating;
b) braiding the wires formed in step a) forming a braided structure having a central lumen;
c) incorporating the braided structure in a polymeric material forming a flexible lead body;
d) removing said polymeric material from a portion of said flexible lead body exposing said braid of insulated wires forming a deformable lead body;
e) removing insulation from selected locations on selected insulated wires to form electrode sites on said deformable lead body.
a) forming a collection of insulated wires each having an interior conductor, and each having an exterior insulation coating;
b) braiding the wires formed in step a) forming a braided structure having a central lumen;
c) incorporating the braided structure in a polymeric material forming a flexible lead body;
d) removing said polymeric material from a portion of said flexible lead body exposing said braid of insulated wires forming a deformable lead body;
e) removing insulation from selected locations on selected insulated wires to form electrode sites on said deformable lead body.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/950,448 US5297549A (en) | 1992-09-23 | 1992-09-23 | Endocardial mapping system |
US07/949,690 | 1992-09-23 | ||
US07/949,690 US5311866A (en) | 1992-09-23 | 1992-09-23 | Heart mapping catheter |
US07/950,448 | 1992-09-23 | ||
CA2144973A CA2144973C (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2144973A Division CA2144973C (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2447239A1 CA2447239A1 (en) | 1994-03-31 |
CA2447239C true CA2447239C (en) | 2010-10-19 |
Family
ID=27130293
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2144973A Expired - Lifetime CA2144973C (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
CA002678625A Pending CA2678625A1 (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
CA2447239A Expired - Lifetime CA2447239C (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2144973A Expired - Lifetime CA2144973C (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
CA002678625A Pending CA2678625A1 (en) | 1992-09-23 | 1993-09-23 | Endocardial mapping system |
Country Status (7)
Country | Link |
---|---|
US (11) | US6826420B1 (en) |
EP (1) | EP0661948B1 (en) |
JP (2) | JP3581888B2 (en) |
AT (1) | ATE160273T1 (en) |
CA (3) | CA2144973C (en) |
DE (1) | DE69315354T2 (en) |
WO (1) | WO1994006349A1 (en) |
Families Citing this family (325)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5509411A (en) * | 1993-01-29 | 1996-04-23 | Cardima, Inc. | Intravascular sensing device |
US5699796A (en) * | 1993-01-29 | 1997-12-23 | Cardima, Inc. | High resolution intravascular signal detection |
US7930012B2 (en) | 1992-09-23 | 2011-04-19 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Chamber location method |
US7189208B1 (en) * | 1992-09-23 | 2007-03-13 | Endocardial Solutions, Inc. | Method for measuring heart electrophysiology |
WO1994006349A1 (en) * | 1992-09-23 | 1994-03-31 | Endocardial Therapeutics, Inc. | Endocardial mapping system |
US5645082A (en) * | 1993-01-29 | 1997-07-08 | Cardima, Inc. | Intravascular method and system for treating arrhythmia |
EP0681451B1 (en) * | 1993-01-29 | 2001-09-05 | Cardima, Inc. | Multiple intravascular sensing devices for electrical activity |
US5657755A (en) * | 1993-03-11 | 1997-08-19 | Desai; Jawahar M. | Apparatus and method for cardiac ablation |
US5433198A (en) | 1993-03-11 | 1995-07-18 | Desai; Jawahar M. | Apparatus and method for cardiac ablation |
US6522905B2 (en) | 1993-03-11 | 2003-02-18 | Jawahar M. Desai | Apparatus and method for cardiac ablation |
IL116699A (en) | 1996-01-08 | 2001-09-13 | Biosense Ltd | Method of constructing cardiac map |
AU7924694A (en) * | 1993-10-01 | 1995-05-01 | Target Therapeutics, Inc. | Sheathed multipolar catheter and multipolar guidewire for sensing cardiac electrical activity |
US6690963B2 (en) | 1995-01-24 | 2004-02-10 | Biosense, Inc. | System for determining the location and orientation of an invasive medical instrument |
AU5487696A (en) * | 1995-04-20 | 1996-11-07 | Jawahar M. Desai | Apparatus for cardiac ablation |
CA2225705A1 (en) * | 1995-04-20 | 1996-10-24 | Jawahar M. Desai | Apparatus and method for cardiac ablation |
US5718241A (en) * | 1995-06-07 | 1998-02-17 | Biosense, Inc. | Apparatus and method for treating cardiac arrhythmias with no discrete target |
US5954665A (en) * | 1995-06-07 | 1999-09-21 | Biosense, Inc. | Cardiac ablation catheter using correlation measure |
WO1997017893A1 (en) * | 1995-11-13 | 1997-05-22 | Heart Rhythm Technologies, Inc. | System and method for analyzing electrogram waveforms |
IL125259A (en) | 1996-01-08 | 2002-12-01 | Biosense Inc | Apparatus for myocardial revascularization |
DE69738813D1 (en) * | 1996-01-08 | 2008-08-14 | Biosense Webster Inc | mapping catheter |
DE69733249T8 (en) | 1996-02-15 | 2006-04-27 | Biosense Webster, Inc., Diamond Bar | DETERMINATION OF THE EXACT POSITION OF ENDOSCOPES |
EP0888086B1 (en) | 1996-02-15 | 2005-07-27 | Biosense Webster, Inc. | Excavation probe |
EP0910300B1 (en) | 1996-02-15 | 2003-12-03 | Biosense, Inc. | Site marking probe |
WO1997029678A2 (en) | 1996-02-15 | 1997-08-21 | Biosense Inc. | Catheter calibration and usage monitoring system |
US6618612B1 (en) | 1996-02-15 | 2003-09-09 | Biosense, Inc. | Independently positionable transducers for location system |
US6453190B1 (en) | 1996-02-15 | 2002-09-17 | Biosense, Inc. | Medical probes with field transducers |
CA2246284C (en) | 1996-02-15 | 2008-01-29 | Biosense, Inc. | Catheter with lumen |
JP3881028B2 (en) | 1996-02-15 | 2007-02-14 | バイオセンス・インコーポレイテッド | Movable transmit or receive coils for position detection systems |
AU704129B2 (en) | 1996-02-27 | 1999-04-15 | Biosense, Inc. | Location system with field actuation sequences |
US6443974B1 (en) | 1996-07-28 | 2002-09-03 | Biosense, Inc. | Electromagnetic cardiac biostimulation |
DE69732696T2 (en) | 1997-01-08 | 2006-04-13 | Biosense Webster, Inc., Diamond Bar | MONITORING MYOCARDIAL REVASCULARIZATION |
US6314310B1 (en) | 1997-02-14 | 2001-11-06 | Biosense, Inc. | X-ray guided surgical location system with extended mapping volume |
EP0893093A1 (en) * | 1997-07-25 | 1999-01-27 | Sulzer Osypka GmbH | Catheter for the endocardial detection of heart potentials |
US6490474B1 (en) | 1997-08-01 | 2002-12-03 | Cardiac Pathways Corporation | System and method for electrode localization using ultrasound |
US7806829B2 (en) | 1998-06-30 | 2010-10-05 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for navigating an ultrasound catheter to image a beating heart |
US6447504B1 (en) | 1998-07-02 | 2002-09-10 | Biosense, Inc. | System for treatment of heart tissue using viability map |
US6226542B1 (en) | 1998-07-24 | 2001-05-01 | Biosense, Inc. | Three-dimensional reconstruction of intrabody organs |
US6301496B1 (en) | 1998-07-24 | 2001-10-09 | Biosense, Inc. | Vector mapping of three-dimensionally reconstructed intrabody organs and method of display |
ES2227996T3 (en) * | 1999-01-28 | 2005-04-01 | Ministero Dell' Universita' E Della Ricerca Scientifica E Tecnologica | DEVICE FOR LOCATING ENODCARDIAC ELECTRODES. |
US6385476B1 (en) | 1999-09-21 | 2002-05-07 | Biosense, Inc. | Method and apparatus for intracardially surveying a condition of a chamber of a heart |
US6892091B1 (en) * | 2000-02-18 | 2005-05-10 | Biosense, Inc. | Catheter, method and apparatus for generating an electrical map of a chamber of the heart |
US6837886B2 (en) | 2000-05-03 | 2005-01-04 | C.R. Bard, Inc. | Apparatus and methods for mapping and ablation in electrophysiology procedures |
DE10027782A1 (en) * | 2000-06-07 | 2001-12-13 | Biotronik Mess & Therapieg | System for determining the intracorporeal position of a working catheter |
US6400981B1 (en) * | 2000-06-21 | 2002-06-04 | Biosense, Inc. | Rapid mapping of electrical activity in the heart |
US6650927B1 (en) | 2000-08-18 | 2003-11-18 | Biosense, Inc. | Rendering of diagnostic imaging data on a three-dimensional map |
US6633773B1 (en) | 2000-09-29 | 2003-10-14 | Biosene, Inc. | Area of interest reconstruction for surface of an organ using location data |
US7255695B2 (en) | 2001-04-27 | 2007-08-14 | C.R. Bard, Inc. | Systems and methods for three-dimensional mapping of electrical activity |
WO2002087456A1 (en) * | 2001-05-01 | 2002-11-07 | C.R. Bard, Inc. | Method and apparatus for altering conduction properties in the heart and in adjacent vessels |
US7727229B2 (en) | 2001-05-01 | 2010-06-01 | C.R. Bard, Inc. | Method and apparatus for altering conduction properties in the heart and in adjacent vessels |
US6961602B2 (en) | 2001-12-31 | 2005-11-01 | Biosense Webster, Inc. | Catheter having multiple spines each having electrical mapping and location sensing capabilities |
US7846157B2 (en) | 2002-03-15 | 2010-12-07 | C.R. Bard, Inc. | Method and apparatus for control of ablation energy and electrogram acquisition through multiple common electrodes in an electrophysiology catheter |
US6957101B2 (en) | 2002-08-21 | 2005-10-18 | Joshua Porath | Transient event mapping in the heart |
US7001383B2 (en) | 2002-10-21 | 2006-02-21 | Biosense, Inc. | Real-time monitoring and mapping of ablation lesion formation in the heart |
DE602004011608T2 (en) | 2003-03-28 | 2009-01-29 | C.R. Bard, Inc. | Catheter with braided mesh |
US20040226556A1 (en) | 2003-05-13 | 2004-11-18 | Deem Mark E. | Apparatus for treating asthma using neurotoxin |
US8046049B2 (en) | 2004-02-23 | 2011-10-25 | Biosense Webster, Inc. | Robotically guided catheter |
US8007495B2 (en) * | 2004-03-31 | 2011-08-30 | Biosense Webster, Inc. | Catheter for circumferential ablation at or near a pulmonary vein |
JP2005323702A (en) * | 2004-05-13 | 2005-11-24 | Asahi Intecc Co Ltd | Medical treatment instrument |
WO2005112813A1 (en) | 2004-05-17 | 2005-12-01 | C.R. Bard, Inc. | Method and apparatus for mapping and7or ablation of cardiac tissue |
US9782130B2 (en) | 2004-05-28 | 2017-10-10 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system |
US7974674B2 (en) * | 2004-05-28 | 2011-07-05 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system and method for surface modeling |
US10863945B2 (en) | 2004-05-28 | 2020-12-15 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system with contact sensing feature |
US8755864B2 (en) * | 2004-05-28 | 2014-06-17 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system and method for diagnostic data mapping |
US8528565B2 (en) | 2004-05-28 | 2013-09-10 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system and method for automated therapy delivery |
US10258285B2 (en) * | 2004-05-28 | 2019-04-16 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Robotic surgical system and method for automated creation of ablation lesions |
US7632265B2 (en) * | 2004-05-28 | 2009-12-15 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Radio frequency ablation servo catheter and method |
US20060036163A1 (en) * | 2004-07-19 | 2006-02-16 | Viswanathan Raju R | Method of, and apparatus for, controlling medical navigation systems |
US8155910B2 (en) | 2005-05-27 | 2012-04-10 | St. Jude Medical, Atrial Fibrillation Divison, Inc. | Robotically controlled catheter and method of its calibration |
US7536218B2 (en) * | 2005-07-15 | 2009-05-19 | Biosense Webster, Inc. | Hybrid magnetic-based and impedance-based position sensing |
KR101222860B1 (en) * | 2005-09-01 | 2013-01-16 | 삼성전자주식회사 | Optical pickup device |
US8229545B2 (en) | 2005-09-15 | 2012-07-24 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for mapping complex fractionated electrogram information |
US8038625B2 (en) * | 2005-09-15 | 2011-10-18 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for three-dimensional mapping of electrophysiology information |
US8403925B2 (en) | 2006-12-06 | 2013-03-26 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for assessing lesions in tissue |
US20100234730A1 (en) * | 2006-03-31 | 2010-09-16 | National University Corporation Kyoto Institute Of Technology | Image processing device, ultrasonic imaging apparatus including the same, and image processing method |
US7766896B2 (en) * | 2006-04-25 | 2010-08-03 | Boston Scientific Scimed, Inc. | Variable stiffness catheter assembly |
US7988639B2 (en) * | 2006-05-17 | 2011-08-02 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for complex geometry modeling of anatomy using multiple surface models |
US7774051B2 (en) | 2006-05-17 | 2010-08-10 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for mapping electrophysiology information onto complex geometry |
US7729752B2 (en) * | 2006-06-13 | 2010-06-01 | Rhythmia Medical, Inc. | Non-contact cardiac mapping, including resolution map |
EP2032028A4 (en) * | 2006-06-13 | 2010-09-01 | Rhythmia Medical Inc | Non-contact cardiac mapping, including moving catheter and multi-beat integration |
US7515954B2 (en) * | 2006-06-13 | 2009-04-07 | Rhythmia Medical, Inc. | Non-contact cardiac mapping, including moving catheter and multi-beat integration |
US7505810B2 (en) * | 2006-06-13 | 2009-03-17 | Rhythmia Medical, Inc. | Non-contact cardiac mapping, including preprocessing |
WO2008002654A2 (en) * | 2006-06-28 | 2008-01-03 | C.R. Bard, Inc. | Methods and apparatus for assessing and improving electrode contact with cardiac tissue |
EP3603500B1 (en) | 2006-08-03 | 2021-03-31 | Christoph Scharf | Device for determining and presenting surface charge and dipole densities on cardiac walls |
US9370312B2 (en) | 2006-09-06 | 2016-06-21 | Biosense Webster, Inc. | Correlation of cardiac electrical maps with body surface measurements |
US8068920B2 (en) | 2006-10-03 | 2011-11-29 | Vincent A Gaudiani | Transcoronary sinus pacing system, LV summit pacing, early mitral closure pacing, and methods therefor |
US20080119697A1 (en) * | 2006-11-20 | 2008-05-22 | General Electric Company | Bidirectional communication interface |
US7957784B2 (en) * | 2006-12-29 | 2011-06-07 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Body surface mapping system |
US8265745B2 (en) | 2006-12-29 | 2012-09-11 | St. Jude Medical, Atrial Fibillation Division, Inc. | Contact sensor and sheath exit sensor |
US9220439B2 (en) * | 2006-12-29 | 2015-12-29 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Navigational reference dislodgement detection method and system |
US7996055B2 (en) * | 2006-12-29 | 2011-08-09 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Cardiac navigation system including electrode array for use therewith |
US9585586B2 (en) | 2006-12-29 | 2017-03-07 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Navigational reference dislodgement detection method and system |
US20080190438A1 (en) | 2007-02-08 | 2008-08-14 | Doron Harlev | Impedance registration and catheter tracking |
US8155756B2 (en) | 2007-02-16 | 2012-04-10 | Pacesetter, Inc. | Motion-based optimization for placement of cardiac stimulation electrodes |
US8195292B2 (en) * | 2007-02-16 | 2012-06-05 | Pacestter, Inc. | Cardiac resynchronization therapy optimization using parameter estimation from realtime electrode motion tracking |
US10433929B2 (en) * | 2007-03-09 | 2019-10-08 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for local deformable registration of a catheter navigation system to image data or a model |
US9549689B2 (en) | 2007-03-09 | 2017-01-24 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for correction of inhomogeneous fields |
US7825925B2 (en) | 2007-03-09 | 2010-11-02 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Method and system for repairing triangulated surface meshes |
US9757036B2 (en) * | 2007-05-08 | 2017-09-12 | Mediguide Ltd. | Method for producing an electrophysiological map of the heart |
US8706195B2 (en) * | 2007-05-08 | 2014-04-22 | Mediguide Ltd. | Method for producing an electrophysiological map of the heart |
JP5337367B2 (en) * | 2007-10-31 | 2013-11-06 | 株式会社東芝 | Medical image display device |
WO2009065140A1 (en) | 2007-11-16 | 2009-05-22 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Device and method for real-time lesion estimation during ablation |
US9717501B2 (en) | 2007-11-21 | 2017-08-01 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Methods and systems for occluding vessels during cardiac ablation including optional electroanatomical guidance |
US8359092B2 (en) * | 2007-11-29 | 2013-01-22 | Biosense Webster, Inc. | Determining locations of ganglia and plexi in the heart using complex fractionated atrial electrogram |
US9622673B2 (en) * | 2007-12-14 | 2017-04-18 | Siemens Healthcare Gmbh | System for determining electrical status of patient attached leads |
US20090163801A1 (en) * | 2007-12-19 | 2009-06-25 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System for displaying data relating to energy emitting treatment devices together with electrophysiological mapping data |
US8103327B2 (en) | 2007-12-28 | 2012-01-24 | Rhythmia Medical, Inc. | Cardiac mapping catheter |
CN107007267A (en) | 2007-12-31 | 2017-08-04 | 真实成像有限公司 | Method, apparatus and system for analyzing thermal image |
US8364277B2 (en) * | 2008-01-10 | 2013-01-29 | Bioness Inc. | Methods and apparatus for implanting electronic implants within the body |
WO2009090547A2 (en) | 2008-01-17 | 2009-07-23 | Christoph Scharf | A device and method for the geometric determination of electrical dipole densities on the cardiac wall |
US8483831B1 (en) | 2008-02-15 | 2013-07-09 | Holaira, Inc. | System and method for bronchial dilation |
EP2265163B1 (en) * | 2008-03-28 | 2014-06-04 | Real Imaging Ltd. | Method apparatus and system for analyzing images |
US8538509B2 (en) | 2008-04-02 | 2013-09-17 | Rhythmia Medical, Inc. | Intracardiac tracking system |
US20090276020A1 (en) * | 2008-05-02 | 2009-11-05 | Pacesetter, Inc. | Tools for delivering implantable medical leads and methods of using and manufacturing such tools |
EP2529686B1 (en) | 2008-05-09 | 2015-10-14 | Holaira, Inc. | System for treating a bronchial tree |
US8676303B2 (en) | 2008-05-13 | 2014-03-18 | The Regents Of The University Of California | Methods and systems for treating heart instability |
US8467863B2 (en) * | 2008-08-22 | 2013-06-18 | Koninklijke Philips N.V. | Sensing apparatus for sensing an object |
CN104873190A (en) | 2008-10-09 | 2015-09-02 | 加利福尼亚大学董事会 | Machine and process for automatic localization of sources of biological rhythm disorders |
US8386010B2 (en) * | 2008-10-23 | 2013-02-26 | Covidien Lp | Surgical tissue monitoring system |
US8167876B2 (en) | 2008-10-27 | 2012-05-01 | Rhythmia Medical, Inc. | Tracking system using field mapping |
US9339331B2 (en) * | 2008-12-29 | 2016-05-17 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Non-contact electrode basket catheters with irrigation |
US8700129B2 (en) | 2008-12-31 | 2014-04-15 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Devices and methods for catheter localization |
US8900150B2 (en) | 2008-12-30 | 2014-12-02 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Intracardiac imaging system utilizing a multipurpose catheter |
US9307931B2 (en) * | 2008-12-31 | 2016-04-12 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Multiple shell construction to emulate chamber contraction with a mapping system |
US9398862B2 (en) | 2009-04-23 | 2016-07-26 | Rhythmia Medical, Inc. | Multi-electrode mapping system |
US8103338B2 (en) | 2009-05-08 | 2012-01-24 | Rhythmia Medical, Inc. | Impedance based anatomy generation |
US8571647B2 (en) | 2009-05-08 | 2013-10-29 | Rhythmia Medical, Inc. | Impedance based anatomy generation |
EP2440130A4 (en) | 2009-06-08 | 2015-06-03 | Mri Interventions Inc | Mri-guided surgical systems with proximity alerts |
US9211074B2 (en) * | 2009-06-09 | 2015-12-15 | Safeop Surgical, Inc. | System, method, apparatus, device and computer program product for automatically detecting positioning effect |
US8396532B2 (en) | 2009-06-16 | 2013-03-12 | MRI Interventions, Inc. | MRI-guided devices and MRI-guided interventional systems that can track and generate dynamic visualizations of the devices in near real time |
US8406848B2 (en) * | 2009-10-06 | 2013-03-26 | Seiko Epson Corporation | Reconstructing three-dimensional current sources from magnetic sensor data |
US9282910B2 (en) | 2011-05-02 | 2016-03-15 | The Regents Of The University Of California | System and method for targeting heart rhythm disorders using shaped ablation |
US10434319B2 (en) | 2009-10-09 | 2019-10-08 | The Regents Of The University Of California | System and method of identifying sources associated with biological rhythm disorders |
US9332915B2 (en) | 2013-03-15 | 2016-05-10 | The Regents Of The University Of California | System and method to identify sources associated with biological rhythm disorders |
US9392948B2 (en) | 2011-12-09 | 2016-07-19 | The Regents Of The University Of California | System and method of identifying sources for biological rhythms |
US10398326B2 (en) | 2013-03-15 | 2019-09-03 | The Regents Of The University Of California | System and method of identifying sources associated with biological rhythm disorders |
US9649153B2 (en) | 2009-10-27 | 2017-05-16 | Holaira, Inc. | Delivery devices with coolable energy emitting assemblies |
CA2780608C (en) | 2009-11-11 | 2019-02-26 | Innovative Pulmonary Solutions, Inc. | Systems, apparatuses, and methods for treating tissue and controlling stenosis |
US8911439B2 (en) | 2009-11-11 | 2014-12-16 | Holaira, Inc. | Non-invasive and minimally invasive denervation methods and systems for performing the same |
US20110199286A1 (en) * | 2010-02-13 | 2011-08-18 | Robin Dziama | Spherical Electronic LCD Display |
US20110213260A1 (en) * | 2010-02-26 | 2011-09-01 | Pacesetter, Inc. | Crt lead placement based on optimal branch selection and optimal site selection |
EP2555673B1 (en) | 2010-04-08 | 2019-06-12 | The Regents of The University of California | Methods, system and apparatus for the detection, diagnosis and treatment of biological rhythm disorders |
US9131869B2 (en) | 2010-05-11 | 2015-09-15 | Rhythmia Medical, Inc. | Tracking using field mapping |
US8603004B2 (en) | 2010-07-13 | 2013-12-10 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Methods and systems for filtering respiration noise from localization data |
US9539046B2 (en) * | 2010-08-03 | 2017-01-10 | Medtronic Cryocath Lp | Cryogenic medical mapping and treatment device |
US9655666B2 (en) * | 2010-10-29 | 2017-05-23 | Medtronic Ablatio Frontiers LLC | Catheter with coronary sinus ostium anchor |
US8560086B2 (en) | 2010-12-02 | 2013-10-15 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Catheter electrode assemblies and methods of construction therefor |
JP5795080B2 (en) | 2010-12-17 | 2015-10-14 | セント・ジュード・メディカル・エイトリアル・フィブリレーション・ディヴィジョン・インコーポレーテッド | Navigation standard deviation detection method and system |
US9095715B2 (en) | 2010-12-23 | 2015-08-04 | Medtronic, Inc. | Implanted device data to guide ablation therapy |
US9061155B2 (en) | 2010-12-23 | 2015-06-23 | Medtronic, Inc. | Implanted device data to guide ablation therapy |
US9277872B2 (en) | 2011-01-13 | 2016-03-08 | Rhythmia Medical, Inc. | Electroanatomical mapping |
US9002442B2 (en) | 2011-01-13 | 2015-04-07 | Rhythmia Medical, Inc. | Beat alignment and selection for cardiac mapping |
EP2683293B1 (en) | 2011-03-10 | 2019-07-17 | Acutus Medical, Inc. | Device for the geometric determination of electrical dipole densities on the cardiac wall |
US10918307B2 (en) | 2011-09-13 | 2021-02-16 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Catheter navigation using impedance and magnetic field measurements |
US9901303B2 (en) | 2011-04-14 | 2018-02-27 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for registration of multiple navigation systems to a common coordinate frame |
US10362963B2 (en) | 2011-04-14 | 2019-07-30 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Correction of shift and drift in impedance-based medical device navigation using magnetic field information |
ITPD20110125A1 (en) * | 2011-04-15 | 2012-10-16 | Elvido Medical Technology Srl | CENTRAL VENOUS CATHETER |
AU2012246723C9 (en) | 2011-04-22 | 2014-08-28 | Topera, Inc. | Basket style cardiac mapping catheter having an atraumatic basket tip for detection of cardiac rhythm disorders |
US9050006B2 (en) | 2011-05-02 | 2015-06-09 | The Regents Of The University Of California | System and method for reconstructing cardiac activation information |
US8165666B1 (en) | 2011-05-02 | 2012-04-24 | Topera, Inc. | System and method for reconstructing cardiac activation information |
US9107600B2 (en) | 2011-05-02 | 2015-08-18 | The Regents Of The University Of California | System and method for reconstructing cardiac activation information |
US9186515B2 (en) * | 2011-07-05 | 2015-11-17 | Cardioinsight Technologies, Inc. | System and methods to facilitate providing therapy to a patient |
EP2729064A4 (en) * | 2011-07-05 | 2015-03-25 | Cardioinsight Technologies Inc | Localization for electrocardiographic mapping |
US9387031B2 (en) | 2011-07-29 | 2016-07-12 | Medtronic Ablation Frontiers Llc | Mesh-overlayed ablation and mapping device |
US8620417B2 (en) | 2011-09-22 | 2013-12-31 | Biosense Webster (Israel), Ltd. | Graphic user interface for physical parameter mapping |
EP2797539B1 (en) | 2011-12-29 | 2020-12-02 | St. Jude Medical Atrial Fibrillation Division Inc. | System for optimized coupling of ablation catheters to body tissues and evaluation of lesions formed by the catheters |
EP2844140A4 (en) | 2012-05-02 | 2016-01-06 | Safeop Surgical Inc | System, method, and computer algorithm for characterization and classification of electrophysiological evoked potentials |
US10588543B2 (en) | 2012-05-23 | 2020-03-17 | Biosense Webster (Israel), Ltd. | Position sensing using electric dipole fields |
CA2878588A1 (en) | 2012-07-30 | 2014-02-06 | Northwestern University | Radiofrequency probe for circumferential ablation of a hollow cavity |
EP3868283A1 (en) | 2012-08-31 | 2021-08-25 | Acutus Medical Inc. | Catheter system for the heart |
US9113911B2 (en) | 2012-09-06 | 2015-08-25 | Medtronic Ablation Frontiers Llc | Ablation device and method for electroporating tissue cells |
US9895079B2 (en) * | 2012-09-26 | 2018-02-20 | Biosense Webster (Israel) Ltd. | Electropotential mapping |
JP2016501640A (en) | 2012-12-20 | 2016-01-21 | ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. | Rotor identification using time-series pattern matching |
US9398933B2 (en) | 2012-12-27 | 2016-07-26 | Holaira, Inc. | Methods for improving drug efficacy including a combination of drug administration and nerve modulation |
US9254093B2 (en) | 2013-01-16 | 2016-02-09 | University Of Vermont | Methods and systems for minimizing and treating cardiac fibrillation |
US10912476B2 (en) | 2013-01-16 | 2021-02-09 | University Of Vermont | Catheters, systems, and related methods for mapping, minimizing, and treating cardiac fibrillation |
JP6422894B2 (en) | 2013-02-08 | 2018-11-14 | アクタス メディカル インクAcutus Medical,Inc. | Expandable catheter assembly with flexible printed circuit board |
US10188314B2 (en) | 2013-03-05 | 2019-01-29 | St. Jude Medical, Cardiology Division, Inc. | System and method for detecting sheathing and unsheathing of localization elements |
US9026196B2 (en) | 2013-03-05 | 2015-05-05 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System and method for detecting sheathing and unsheathing of localization elements |
US9474486B2 (en) | 2013-03-08 | 2016-10-25 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Basket for a multi-electrode array catheter |
US9345540B2 (en) | 2013-03-15 | 2016-05-24 | Medtronic Ablation Frontiers Llc | Contact specific RF therapy balloon |
CN105050525B (en) * | 2013-03-15 | 2018-07-31 | 直观外科手术操作公司 | Shape sensor system and application method for tracking intervention apparatus |
US8715199B1 (en) | 2013-03-15 | 2014-05-06 | Topera, Inc. | System and method to define a rotational source associated with a biological rhythm disorder |
US20140330270A1 (en) * | 2013-05-03 | 2014-11-06 | William J. Anderson | Method of ablating scar tissue to orient electrical current flow |
JP6240751B2 (en) | 2013-05-06 | 2017-11-29 | ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. | Anatomic mapping system for continuous display of recent heart rate characteristics during real-time or playback electrophysiological data visualization |
US9808171B2 (en) * | 2013-05-07 | 2017-11-07 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Utilization of electrode spatial arrangements for characterizing cardiac conduction conditions |
CN105228510B (en) | 2013-05-14 | 2018-12-14 | 波士顿科学医学有限公司 | The expression and identification of the activity pattern of vector field are used during electrophysiology mapping |
US9144391B2 (en) | 2013-05-16 | 2015-09-29 | Boston Scientific Scimed Inc. | Enhanced activation onset time optimization by similarity based pattern matching |
US9576107B2 (en) * | 2013-07-09 | 2017-02-21 | Biosense Webster (Israel) Ltd. | Model based reconstruction of the heart from sparse samples |
US9775578B2 (en) | 2013-08-12 | 2017-10-03 | Biosense Webster (Israel) Ltd. | Unmapped region visualization |
EP2986206B1 (en) | 2013-08-20 | 2018-12-05 | St. Jude Medical Atrial Fibrillation Division Inc. | System for generating electrophysiology maps |
US9737227B2 (en) | 2013-08-28 | 2017-08-22 | Boston Scientific Scimed Inc. | Estimating the prevalence of activation patterns in data segments during electrophysiology mapping |
AU2014318872B2 (en) | 2013-09-13 | 2018-09-13 | Acutus Medical, Inc. | Devices and methods for determination of electrical dipole densities on a cardiac surface |
US9220435B2 (en) | 2013-10-09 | 2015-12-29 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating electrophysiology maps |
WO2015057521A1 (en) | 2013-10-14 | 2015-04-23 | Boston Scientific Scimed, Inc. | High resolution cardiac mapping electrode array catheter |
US9717429B2 (en) | 2013-10-31 | 2017-08-01 | St. Jude Medical, Cardiology Division, Inc. | System and method for analyzing biological signals and generating electrophyisology maps |
CN105636513B (en) * | 2013-10-31 | 2020-05-12 | 波士顿科学医学有限公司 | Medical device for high resolution mapping using local matching |
US9314191B2 (en) | 2013-11-19 | 2016-04-19 | Pacesetter, Inc. | Method and system to measure cardiac motion using a cardiovascular navigation system |
US9301713B2 (en) | 2013-11-19 | 2016-04-05 | Pacesetter, Inc. | Method and system to assess mechanical dyssynchrony based on motion data collected by a navigation system |
US9814406B2 (en) | 2013-11-19 | 2017-11-14 | Pacesetter, Inc. | Method and system to identify motion data associated with consistent electrical and mechanical behavior for a region of interest |
US10568686B2 (en) * | 2013-11-21 | 2020-02-25 | Biosense Webster (Israel) Ltd. | Multi-electrode balloon catheter with circumferential and point electrodes |
WO2015095577A1 (en) | 2013-12-20 | 2015-06-25 | St. Jude Medical, Cardiology Division, Inc. | Coaxial electrode catheters for extracting electrophysiologic parameters |
WO2015148470A1 (en) | 2014-03-25 | 2015-10-01 | Acutus Medical, Inc. | Cardiac analysis user interface system and method |
US10285647B2 (en) | 2014-05-05 | 2019-05-14 | Pacesetter Inc. | Method and system to automatically assign map points to anatomical segments and determine mechanical activation time |
US9861823B2 (en) | 2014-05-05 | 2018-01-09 | Pacesetter, Inc. | Cardiac resynchronization system and method |
US10105077B2 (en) | 2014-05-05 | 2018-10-23 | Pacesetter, Inc. | Method and system for calculating strain from characterization data of a cardiac chamber |
US9380940B2 (en) | 2014-05-05 | 2016-07-05 | Pacesetter, Inc. | Method and system for displaying a three dimensional visualization of cardiac motion |
US9895076B2 (en) | 2014-05-05 | 2018-02-20 | Pacesetter, Inc. | Method and system to determine cardiac cycle length in connection with cardiac mapping |
US9364170B2 (en) | 2014-05-05 | 2016-06-14 | Pacesetter, Inc. | Method and system to characterize motion data based on neighboring map points |
US9302099B2 (en) | 2014-05-05 | 2016-04-05 | Pacesetter, Inc. | System and method for evaluating lead stability of an implantable medical device |
US9763591B2 (en) | 2014-05-05 | 2017-09-19 | Pacesetter, Inc. | Method and system to subdivide a mapping area for mechanical activation analysis |
US9700233B2 (en) | 2014-05-05 | 2017-07-11 | Pacesetter, Inc. | Method and system to equalizing cardiac cycle length between map points |
CN106413540A (en) | 2014-06-03 | 2017-02-15 | 波士顿科学医学有限公司 | Electrode assembly having an atraumatic distal tip |
EP3151773B1 (en) | 2014-06-04 | 2018-04-04 | Boston Scientific Scimed, Inc. | Electrode assembly |
EP3157419A1 (en) | 2014-06-20 | 2017-04-26 | Boston Scientific Scimed Inc. | Medical devices for mapping cardiac tissue |
WO2016049630A1 (en) * | 2014-09-26 | 2016-03-31 | Cardioinsight Technologies, Inc. | Localization of objects within a conductive volume |
CN107072574B (en) | 2014-10-15 | 2020-06-12 | 圣犹达医疗用品心脏病学部门有限公司 | Method and system for mapping local conduction velocity |
JP6531170B2 (en) | 2014-10-15 | 2019-06-12 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for generating an integrated substrate map for cardiac arrhythmias |
CN107249486B (en) * | 2014-11-09 | 2021-07-30 | 森索医疗实验室有限公司 | Customized three-dimensional shaping of surgical guides |
JP6633082B2 (en) | 2015-01-07 | 2020-01-22 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | System, method, and apparatus for visualizing cardiac timing information using animation |
US20170354395A1 (en) | 2015-01-07 | 2017-12-14 | St. Jude Medical, Cardiology Division, Inc. | Imaging Device |
US9833161B2 (en) * | 2015-02-09 | 2017-12-05 | Biosense Webster (Israel) Ltd. | Basket catheter with far-field electrode |
US10342611B2 (en) | 2015-04-29 | 2019-07-09 | Innoblative Designs, Inc. | Cavitary tissue ablation |
WO2016176009A1 (en) | 2015-04-30 | 2016-11-03 | The Regents Of The University Of Michigan | Method and system for mapping and analyzing cardiac electrical activity |
CN107530014B (en) | 2015-05-04 | 2021-12-10 | 赛佛欧普手术有限公司 | System, method and computer algorithm for measuring, displaying and accurately detecting changes in electrophysiological evoked potentials |
JP6738349B2 (en) | 2015-05-07 | 2020-08-12 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Position identification system and method of operating the same |
JP2018514279A (en) | 2015-05-08 | 2018-06-07 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | System and method for real-time electrophysiological mapping |
US11039888B2 (en) | 2015-05-12 | 2021-06-22 | Navix International Limited | Calculation of an ablation plan |
WO2016181318A1 (en) | 2015-05-12 | 2016-11-17 | Navix International Limited | Lesion assessment by dielectric property analysis |
AU2016262547B9 (en) | 2015-05-12 | 2021-03-04 | Acutus Medical, Inc. | Ultrasound sequencing system and method |
WO2016183179A1 (en) | 2015-05-12 | 2016-11-17 | Acutus Medical, Inc. | Cardiac virtualization test tank and testing system and method |
JP2018520718A (en) | 2015-05-12 | 2018-08-02 | ナヴィックス インターナショナル リミテッドNavix International Limited | Contact quality evaluation by dielectric property analysis |
US10278616B2 (en) | 2015-05-12 | 2019-05-07 | Navix International Limited | Systems and methods for tracking an intrabody catheter |
WO2016183468A1 (en) * | 2015-05-13 | 2016-11-17 | Acutus Medical, Inc. | Localization system and method useful in the acquisition and analysis of cardiac information |
US10758144B2 (en) | 2015-08-20 | 2020-09-01 | Boston Scientific Scimed Inc. | Flexible electrode for cardiac sensing and method for making |
CN108348155B (en) | 2015-09-02 | 2019-02-01 | 圣犹达医疗用品心脏病学部门有限公司 | For identification with the method and system of mapping heart excitement wavefront |
WO2017042623A1 (en) | 2015-09-07 | 2017-03-16 | Ablacon Inc. | Systems, devices, components and methods for detecting the locations of sources of cardiac rhythm disorders in a patient's heart |
US10271757B2 (en) | 2015-09-26 | 2019-04-30 | Boston Scientific Scimed Inc. | Multiple rhythm template monitoring |
CN108024747B (en) | 2015-09-26 | 2020-12-04 | 波士顿科学医学有限公司 | Intracardiac EGM signal for beat matching and acceptance |
JP6691209B2 (en) | 2015-09-26 | 2020-04-28 | ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. | Methods for editing anatomical shells |
US10405766B2 (en) | 2015-09-26 | 2019-09-10 | Boston Scientific Scimed, Inc. | Method of exploring or mapping internal cardiac structures |
JP2018534035A (en) | 2015-10-07 | 2018-11-22 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for mapping cardiac repolarization |
JP6620229B2 (en) | 2015-10-07 | 2019-12-11 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for mapping cardiac recovery |
EP3367945B1 (en) | 2015-10-29 | 2020-02-26 | Innoblative Designs, Inc. | Screen sphere tissue ablation devices |
JP6741776B2 (en) | 2015-12-04 | 2020-08-19 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for statistically analyzing and mapping electrograms for regional abnormal ventricular activity |
US10362953B2 (en) | 2015-12-11 | 2019-07-30 | Biosense Webster (Israel) Ltd. | Electrode array catheter with interconnected framework |
WO2017136261A1 (en) | 2016-02-02 | 2017-08-10 | Innoblative Designs, Inc. | Cavitary tissue ablation system |
EP3383259A1 (en) | 2016-02-16 | 2018-10-10 | St. Jude Medical, Cardiology Division, Inc. | Methods and systems for electrophysiology mapping using medical images |
JP6646755B2 (en) | 2016-03-01 | 2020-02-14 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for operating a system for mapping cardiac activity |
WO2017151431A1 (en) | 2016-03-01 | 2017-09-08 | Innoblative Designs, Inc. | Resecting and coagulating tissue |
EP3973908A1 (en) | 2016-05-03 | 2022-03-30 | Acutus Medical Inc. | Cardiac mapping system with efficiency algorithm |
US10987091B2 (en) | 2016-05-17 | 2021-04-27 | Biosense Webster (Israel) Ltd. | System and method for catheter connections |
EP3484362A1 (en) | 2016-07-14 | 2019-05-22 | Navix International Limited | Characteristic track catheter navigation |
WO2018075389A1 (en) | 2016-10-17 | 2018-04-26 | Innoblative Designs, Inc. | Treatment devices and methods |
US11266467B2 (en) | 2016-10-25 | 2022-03-08 | Navix International Limited | Systems and methods for registration of intra-body electrical readings with a pre-acquired three dimensional image |
JP6875757B2 (en) | 2016-11-08 | 2021-05-26 | イノブレイティブ デザインズ, インコーポレイテッド | Electrosurgical tissue and vascular seal device |
WO2018089172A1 (en) | 2016-11-11 | 2018-05-17 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating electrophysiology maps |
US11010983B2 (en) | 2016-11-16 | 2021-05-18 | Navix International Limited | Tissue model dynamic visual rendering |
WO2018092062A1 (en) | 2016-11-16 | 2018-05-24 | Navix International Limited | Real-time display of tissue deformation by interactions with an intra-body probe |
WO2018092063A1 (en) | 2016-11-16 | 2018-05-24 | Navix International Limited | Real-time display of treatment-related tissue changes using virtual material |
WO2018092070A1 (en) | 2016-11-16 | 2018-05-24 | Navix International Limited | Esophagus position detection by electrical mapping |
WO2018092071A1 (en) | 2016-11-16 | 2018-05-24 | Navix International Limited | Estimators for ablation effectiveness |
WO2018094063A1 (en) | 2016-11-21 | 2018-05-24 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating electrophysiology maps |
CN106691438B (en) * | 2016-12-07 | 2022-05-31 | 首都医科大学附属北京安贞医院 | Whole heart three-dimensional mapping system for complex arrhythmia |
US11471067B2 (en) | 2017-01-12 | 2022-10-18 | Navix International Limited | Intrabody probe navigation by electrical self-sensing |
US11730395B2 (en) | 2017-01-12 | 2023-08-22 | Navix International Limited | Reconstruction of an anatomical structure from intrabody measurements |
US11311204B2 (en) | 2017-01-12 | 2022-04-26 | Navix International Limited | Systems and methods for reconstruction of intrabody electrical readings to anatomical structure |
US10610120B2 (en) | 2017-01-13 | 2020-04-07 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating premature ventricular contraction electrophysiology maps |
US10893819B2 (en) | 2017-01-25 | 2021-01-19 | Biosense Webster (Israel) Ltd. | Analyzing and mapping ECG signals and determining ablation points to eliminate Brugada syndrome |
US10888379B2 (en) | 2017-01-25 | 2021-01-12 | Biosense Webster (Israel) Ltd. | Analyzing and mapping ECG signals and determining ablation points to eliminate brugada syndrome |
US10952793B2 (en) | 2017-01-25 | 2021-03-23 | Biosense Webster (Israel) Ltd. | Method and system for eliminating a broad range of cardiac conditions by analyzing intracardiac signals providing a detailed map and determining potential ablation points |
CN110381813B (en) | 2017-03-02 | 2022-10-21 | 圣犹达医疗用品心脏病学部门有限公司 | System and method for distinguishing adipose tissue and scar tissue during electrophysiology mapping |
US20180318013A1 (en) | 2017-05-04 | 2018-11-08 | St. Jude Medical, Cardiology Division, Inc. | System and Method for Determining Ablation Parameters |
EP3580763A1 (en) | 2017-05-17 | 2019-12-18 | St. Jude Medical, Cardiology Division, Inc. | System and method for mapping local activation times |
US20180344202A1 (en) * | 2017-05-30 | 2018-12-06 | Biosense Webster (Israel) Ltd. | Catheter Splines as Location Sensors |
US11298066B2 (en) | 2017-07-07 | 2022-04-12 | St. Jude Medical, Cardiology Division, Inc. | System and method for electrophysiological mapping |
US11564606B2 (en) | 2017-07-19 | 2023-01-31 | St. Jude Medical, Cardiology Division, Inc. | System and method for electrophysiological mapping |
EP3658053B1 (en) | 2017-07-26 | 2023-09-13 | Innoblative Designs, Inc. | Minimally invasive articulating assembly having ablation capabilities |
CN111050641B (en) | 2017-08-17 | 2023-06-09 | 纳维斯国际有限公司 | Remote imaging based on field gradients |
EP3675729A1 (en) | 2017-09-01 | 2020-07-08 | St. Jude Medical, Cardiology Division, Inc. | System and method for visualizing a proximity of a catheter electrode to a 3d geometry of biological tissue |
EP3651636B1 (en) | 2017-09-18 | 2022-04-13 | St. Jude Medical, Cardiology Division, Inc. | System and method for sorting electrophysiological signals from multi-dimensional catheters |
US10532187B2 (en) | 2017-10-17 | 2020-01-14 | Biosense Webster (Israel) Ltd. | Reusable catheter handle system |
US10575746B2 (en) | 2017-12-14 | 2020-03-03 | Biosense Webster (Israel) Ltd. | Epicardial mapping |
US11291398B2 (en) | 2018-01-09 | 2022-04-05 | St Jude Medical, Cardiology Division, Inc. | System and method for sorting electrophysiological signals on virtual catheters |
CN111655141B (en) | 2018-02-12 | 2024-03-19 | 圣犹达医疗用品心脏病学部门有限公司 | System and method for mapping myocardial fiber orientation |
US11103177B2 (en) | 2018-04-18 | 2021-08-31 | St, Jude Medical, Cardiology Division, Inc. | System and method for mapping cardiac activity |
EP3761859B1 (en) | 2018-04-26 | 2022-06-15 | St. Jude Medical, Cardiology Division, Inc. | System for mapping arrhythmic driver sites |
US11071486B2 (en) | 2018-06-01 | 2021-07-27 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating activation timing maps |
WO2019241079A1 (en) | 2018-06-14 | 2019-12-19 | St. Jude Medical, Cardiology Division, Inc. | System and method for mapping cardiac activity |
US11819229B2 (en) | 2019-06-19 | 2023-11-21 | Boston Scientific Scimed, Inc. | Balloon surface photoacoustic pressure wave generation to disrupt vascular lesions |
JP7175333B2 (en) | 2018-09-10 | 2022-11-18 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Systems and methods for displaying electrophysiological signals from multidimensional catheters |
WO2020055506A1 (en) | 2018-09-12 | 2020-03-19 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating three dimensional geometric models of anatomical regions |
US11648397B1 (en) | 2018-10-12 | 2023-05-16 | Vincent Gaudiani | Transcoronary sinus pacing of posteroseptal left ventricular base |
US11577075B1 (en) | 2018-10-12 | 2023-02-14 | Vincent A. Gaudiani | Transcoronary sinus pacing of his bundle |
WO2020106604A1 (en) * | 2018-11-20 | 2020-05-28 | Boston Scientific Scimed Inc | Systems for autonomous cardiac mapping |
JP2022517465A (en) | 2019-01-03 | 2022-03-09 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Systems and methods for mapping cardiac activation wavefronts |
US20220142545A1 (en) | 2019-03-08 | 2022-05-12 | St. Jude Medical, Cardiology Division, Inc. | High density electrode catheters |
US20220142553A1 (en) | 2019-03-12 | 2022-05-12 | St. Jude Medical, Cardiology Division, Inc. | System and method for cardiac mapping |
US20220167899A1 (en) | 2019-04-04 | 2022-06-02 | St. Jude Medical Cardiology Division, Inc. | System and method for cardiac mapping |
CN113710157A (en) | 2019-04-18 | 2021-11-26 | 圣犹达医疗用品心脏病学部门有限公司 | Systems and methods for cardiac mapping |
WO2020219513A1 (en) | 2019-04-24 | 2020-10-29 | St. Jude Medical, Cardiology Division, Inc. | System, method, and apparatus for visualizing cardiac activation |
WO2020227469A1 (en) | 2019-05-09 | 2020-11-12 | St. Jude Medical, Cardiology Division, Inc. | System and method for detection and mapping of near field conduction in scar tissue |
US11564610B2 (en) | 2019-05-23 | 2023-01-31 | Biosense Webster (Israel) Ltd. | Volumetric LAT map |
US20220183610A1 (en) | 2019-05-24 | 2022-06-16 | St. Jude Medical, Cardiology Division, Inc. | System and method for cardiac mapping |
US10939863B2 (en) * | 2019-05-28 | 2021-03-09 | Biosense Webster (Israel) Ltd. | Determining occurrence of focal and/or rotor arrhythmogenic activity in cardiac tissue regions |
US11717139B2 (en) | 2019-06-19 | 2023-08-08 | Bolt Medical, Inc. | Plasma creation via nonaqueous optical breakdown of laser pulse energy for breakup of vascular calcium |
US11660427B2 (en) | 2019-06-24 | 2023-05-30 | Boston Scientific Scimed, Inc. | Superheating system for inertial impulse generation to disrupt vascular lesions |
US20200406009A1 (en) | 2019-06-26 | 2020-12-31 | Boston Scientific Scimed, Inc. | Focusing element for plasma system to disrupt vascular lesions |
US11583339B2 (en) | 2019-10-31 | 2023-02-21 | Bolt Medical, Inc. | Asymmetrical balloon for intravascular lithotripsy device and method |
US11504023B2 (en) | 2019-12-16 | 2022-11-22 | Biosense Webster (Israel) Ltd. | Sparse calibration of magnetic field created by coils in metal-rich environment |
WO2021150421A1 (en) | 2020-01-24 | 2021-07-29 | St. Jude Medical, Cardiology Division, Inc. | System and method for generating three dimensional geometric models of anatomical regions |
US11672599B2 (en) | 2020-03-09 | 2023-06-13 | Bolt Medical, Inc. | Acoustic performance monitoring system and method within intravascular lithotripsy device |
WO2021188182A1 (en) | 2020-03-16 | 2021-09-23 | St. Jude Medical, Cardiology Division, Inc. | System, method, and apparatus for mapping local activation times |
US20210290286A1 (en) | 2020-03-18 | 2021-09-23 | Bolt Medical, Inc. | Optical analyzer assembly and method for intravascular lithotripsy device |
US11707323B2 (en) | 2020-04-03 | 2023-07-25 | Bolt Medical, Inc. | Electrical analyzer assembly for intravascular lithotripsy device |
CN115379798A (en) | 2020-04-21 | 2022-11-22 | 圣犹达医疗用品心脏病学部门有限公司 | System and method for mapping cardiac activity |
WO2021236310A1 (en) | 2020-05-19 | 2021-11-25 | St. Jude Medical, Cardiology Division, Inc. | System and method for mapping electrophysiological activation |
US11896317B2 (en) | 2020-08-04 | 2024-02-13 | Mazor Robotics Ltd. | Triangulation of item in patient body |
US11672585B2 (en) | 2021-01-12 | 2023-06-13 | Bolt Medical, Inc. | Balloon assembly for valvuloplasty catheter system |
KR20230165840A (en) * | 2021-04-07 | 2023-12-05 | 비티엘 메디컬 디벨롭먼트 에이.에스. | Pulsed field ablation device and method |
US11648057B2 (en) | 2021-05-10 | 2023-05-16 | Bolt Medical, Inc. | Optical analyzer assembly with safety shutdown system for intravascular lithotripsy device |
US11806075B2 (en) | 2021-06-07 | 2023-11-07 | Bolt Medical, Inc. | Active alignment system and method for laser optical coupling |
WO2023028133A1 (en) | 2021-08-26 | 2023-03-02 | St. Jude Medical, Cardiology Division, Inc. | Method and system for generating respiration signals for use in electrophysiology procedures |
US11839391B2 (en) | 2021-12-14 | 2023-12-12 | Bolt Medical, Inc. | Optical emitter housing assembly for intravascular lithotripsy device |
WO2023114588A1 (en) | 2021-12-17 | 2023-06-22 | St. Jude Medical, Cardiology Division, Inc. | Method and system for visualizing ablation procedure data |
JP2023122622A (en) | 2022-02-23 | 2023-09-04 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | Method and system for tracking and visualizing medical devices |
Family Cites Families (127)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042486A (en) * | 1974-06-24 | 1977-08-16 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for the conversion of pitch into crystalloidal pitch |
US3954098A (en) | 1975-01-31 | 1976-05-04 | Dick Donald E | Synchronized multiple image tomographic cardiography |
US4173228A (en) | 1977-05-16 | 1979-11-06 | Applied Medical Devices | Catheter locating device |
US4380237A (en) | 1979-12-03 | 1983-04-19 | Massachusetts General Hospital | Apparatus for making cardiac output conductivity measurements |
US4304239A (en) | 1980-03-07 | 1981-12-08 | The Kendall Company | Esophageal probe with balloon electrode |
US4431005A (en) | 1981-05-07 | 1984-02-14 | Mccormick Laboratories, Inc. | Method of and apparatus for determining very accurately the position of a device inside biological tissue |
US4750494A (en) * | 1981-05-12 | 1988-06-14 | Medtronic, Inc. | Automatic implantable fibrillation preventer |
US4444195A (en) | 1981-11-02 | 1984-04-24 | Cordis Corporation | Cardiac lead having multiple ring electrodes |
US4572206A (en) | 1982-04-21 | 1986-02-25 | Purdue Research Foundation | Method and apparatus for measuring cardiac output |
US4572486A (en) * | 1982-07-14 | 1986-02-25 | Metcast Associates, Inc. | Molten metal filtering vessel with internal filter |
US4559951A (en) | 1982-11-29 | 1985-12-24 | Cardiac Pacemakers, Inc. | Catheter assembly |
US4478223A (en) * | 1982-12-06 | 1984-10-23 | Allor Douglas R | Three dimensional electrocardiograph |
US4613866A (en) | 1983-05-13 | 1986-09-23 | Mcdonnell Douglas Corporation | Three dimensional digitizer with electromagnetic coupling |
US4522212A (en) | 1983-11-14 | 1985-06-11 | Mansfield Scientific, Inc. | Endocardial electrode |
US4572186A (en) | 1983-12-07 | 1986-02-25 | Cordis Corporation | Vessel dilation |
US4573473A (en) | 1984-04-13 | 1986-03-04 | Cordis Corporation | Cardiac mapping probe |
US4697595A (en) | 1984-07-24 | 1987-10-06 | Telectronics N.V. | Ultrasonically marked cardiac catheters |
US4628937A (en) | 1984-08-02 | 1986-12-16 | Cordis Corporation | Mapping electrode assembly |
JPS6162444A (en) * | 1984-08-14 | 1986-03-31 | コンシ−リオ・ナツイオナ−レ・デツレ・リチエルケ | Method and apparatus for detecting frequent pulse generatingposition |
US4660571A (en) * | 1985-07-18 | 1987-04-28 | Cordis Corporation | Percutaneous lead having radially adjustable electrode |
US4706670A (en) | 1985-11-26 | 1987-11-17 | Meadox Surgimed A/S | Dilatation catheter |
US4674518A (en) | 1985-09-06 | 1987-06-23 | Cardiac Pacemakers, Inc. | Method and apparatus for measuring ventricular volume |
US4699147A (en) * | 1985-09-25 | 1987-10-13 | Cordis Corporation | Intraventricular multielectrode cardial mapping probe and method for using same |
DE3536658A1 (en) * | 1985-10-15 | 1987-04-16 | Kessler Manfred | METHOD FOR REPRESENTING ELECTROCARDIOGRAPHIC VALUES |
US4641649A (en) | 1985-10-30 | 1987-02-10 | Rca Corporation | Method and apparatus for high frequency catheter ablation |
US4721115A (en) | 1986-02-27 | 1988-01-26 | Cardiac Pacemakers, Inc. | Diagnostic catheter for monitoring cardiac output |
US4821731A (en) | 1986-04-25 | 1989-04-18 | Intra-Sonix, Inc. | Acoustic image system and method |
US4945305A (en) | 1986-10-09 | 1990-07-31 | Ascension Technology Corporation | Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields |
US4940064A (en) | 1986-11-14 | 1990-07-10 | Desai Jawahar M | Catheter for mapping and ablation and method therefor |
EP0312495A3 (en) | 1987-10-16 | 1989-08-30 | Institut Straumann Ag | Electrical cable for carrying out at least one stimulation and/or measurement in a human or animal body |
US4922912A (en) | 1987-10-21 | 1990-05-08 | Hideto Watanabe | MAP catheter |
FR2622098B1 (en) | 1987-10-27 | 1990-03-16 | Glace Christian | METHOD AND AZIMUTAL PROBE FOR LOCATING THE EMERGENCY POINT OF VENTRICULAR TACHYCARDIES |
US4777955A (en) * | 1987-11-02 | 1988-10-18 | Cordis Corporation | Left ventricle mapping probe |
GB2212267B (en) | 1987-11-11 | 1992-07-29 | Circulation Res Ltd | Methods and apparatus for the examination and treatment of internal organs |
JP2535988B2 (en) * | 1987-12-11 | 1996-09-18 | 株式会社ニコン | Three-dimensional multi-pattern photometer |
US4890623A (en) * | 1988-03-14 | 1990-01-02 | C. R. Bard, Inc. | Biopotential sensing device and method for making |
US5588432A (en) | 1988-03-21 | 1996-12-31 | Boston Scientific Corporation | Catheters for imaging, sensing electrical potentials, and ablating tissue |
US5372138A (en) | 1988-03-21 | 1994-12-13 | Boston Scientific Corporation | Acousting imaging catheters and the like |
US4840182A (en) | 1988-04-04 | 1989-06-20 | Rhode Island Hospital | Conductance catheter |
US4899750A (en) | 1988-04-19 | 1990-02-13 | Siemens-Pacesetter, Inc. | Lead impedance scanning system for pacemakers |
JPH0748316B2 (en) * | 1988-05-30 | 1995-05-24 | 日本電気株式会社 | Dual port memory circuit |
CA1327838C (en) * | 1988-06-13 | 1994-03-15 | Fred Zacouto | Implantable device to prevent blood clotting disorders |
US4898176A (en) | 1988-06-22 | 1990-02-06 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
US5000190A (en) | 1988-06-22 | 1991-03-19 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
US4951682A (en) | 1988-06-22 | 1990-08-28 | The Cleveland Clinic Foundation | Continuous cardiac output by impedance measurements in the heart |
US5054496A (en) | 1988-07-15 | 1991-10-08 | China-Japan Friendship Hospital | Method and apparatus for recording and analyzing body surface electrocardiographic peak maps |
US5025786A (en) * | 1988-07-21 | 1991-06-25 | Siegel Sharon B | Intracardiac catheter and method for detecting and diagnosing myocardial ischemia |
US4911174A (en) * | 1989-02-13 | 1990-03-27 | Cardiac Pacemakers, Inc. | Method for matching the sense length of an impedance measuring catheter to a ventricular chamber |
GB2233094B (en) * | 1989-05-26 | 1994-02-09 | Circulation Res Ltd | Methods and apparatus for the examination and treatment of internal organs |
US5029588A (en) | 1989-06-15 | 1991-07-09 | Cardiovascular Imaging Systems, Inc. | Laser catheter with imaging capability |
US5056517A (en) | 1989-07-24 | 1991-10-15 | Consiglio Nazionale Delle Ricerche | Biomagnetically localizable multipurpose catheter and method for magnetocardiographic guided intracardiac mapping, biopsy and ablation of cardiac arrhythmias |
US5220924A (en) | 1989-09-28 | 1993-06-22 | Frazin Leon J | Doppler-guided retrograde catheterization using transducer equipped guide wire |
EP0419729A1 (en) | 1989-09-29 | 1991-04-03 | Siemens Aktiengesellschaft | Position finding of a catheter by means of non-ionising fields |
US5005587A (en) | 1989-11-13 | 1991-04-09 | Pacing Systems, Inc. | Braid Electrode leads and catheters and methods for using the same |
JPH03224552A (en) | 1990-01-31 | 1991-10-03 | Toshiba Corp | Ultrasonic diagnostic device |
US5253078A (en) * | 1990-03-14 | 1993-10-12 | C-Cube Microsystems, Inc. | System for compression and decompression of video data using discrete cosine transform and coding techniques |
US5360006A (en) | 1990-06-12 | 1994-11-01 | University Of Florida Research Foundation, Inc. | Automated method for digital image quantitation |
US5273038A (en) * | 1990-07-09 | 1993-12-28 | Beavin William C | Computer simulation of live organ |
US5058583A (en) | 1990-07-13 | 1991-10-22 | Geddes Leslie A | Multiple monopolar system and method of measuring stroke volume of the heart |
US5054492A (en) | 1990-12-17 | 1991-10-08 | Cardiovascular Imaging Systems, Inc. | Ultrasonic imaging catheter having rotational image correlation |
US5345936A (en) | 1991-02-15 | 1994-09-13 | Cardiac Pathways Corporation | Apparatus with basket assembly for endocardial mapping |
US5156151A (en) | 1991-02-15 | 1992-10-20 | Cardiac Pathways Corporation | Endocardial mapping and ablation system and catheter probe |
US5228442A (en) | 1991-02-15 | 1993-07-20 | Cardiac Pathways Corporation | Method for mapping, ablation, and stimulation using an endocardial catheter |
US5161536A (en) | 1991-03-22 | 1992-11-10 | Catheter Technology | Ultrasonic position indicating apparatus and methods |
US5433729A (en) * | 1991-04-12 | 1995-07-18 | Incontrol, Inc. | Atrial defibrillator, lead systems, and method |
US5255678A (en) | 1991-06-21 | 1993-10-26 | Ecole Polytechnique | Mapping electrode balloon |
US5282471A (en) | 1991-07-31 | 1994-02-01 | Kabushiki Kaisha Toshiba | Ultrasonic imaging system capable of displaying 3-dimensional angiogram in real time mode |
JP2735747B2 (en) | 1991-09-03 | 1998-04-02 | ゼネラル・エレクトリック・カンパニイ | Tracking and imaging system |
US5211165A (en) | 1991-09-03 | 1993-05-18 | General Electric Company | Tracking system to follow the position and orientation of a device with radiofrequency field gradients |
US5713363A (en) | 1991-11-08 | 1998-02-03 | Mayo Foundation For Medical Education And Research | Ultrasound catheter and method for imaging and hemodynamic monitoring |
US5325860A (en) | 1991-11-08 | 1994-07-05 | Mayo Foundation For Medical Education And Research | Ultrasonic and interventional catheter and method |
US5222501A (en) | 1992-01-31 | 1993-06-29 | Duke University | Methods for the diagnosis and ablation treatment of ventricular tachycardia |
US5237996A (en) | 1992-02-11 | 1993-08-24 | Waldman Lewis K | Endocardial electrical mapping catheter |
US5295484A (en) | 1992-05-19 | 1994-03-22 | Arizona Board Of Regents For And On Behalf Of The University Of Arizona | Apparatus and method for intra-cardiac ablation of arrhythmias |
US5255679A (en) * | 1992-06-02 | 1993-10-26 | Cardiac Pathways Corporation | Endocardial catheter for mapping and/or ablation with an expandable basket structure having means for providing selective reinforcement and pressure sensing mechanism for use therewith, and method |
US5324284A (en) | 1992-06-05 | 1994-06-28 | Cardiac Pathways, Inc. | Endocardial mapping and ablation system utilizing a separately controlled ablation catheter and method |
US5411025A (en) | 1992-06-30 | 1995-05-02 | Cordis Webster, Inc. | Cardiovascular catheter with laterally stable basket-shaped electrode array |
US5341807A (en) * | 1992-06-30 | 1994-08-30 | American Cardiac Ablation Co., Inc. | Ablation catheter positioning system |
WO1994006349A1 (en) * | 1992-09-23 | 1994-03-31 | Endocardial Therapeutics, Inc. | Endocardial mapping system |
US5311866A (en) * | 1992-09-23 | 1994-05-17 | Endocardial Therapeutics, Inc. | Heart mapping catheter |
US5662108A (en) | 1992-09-23 | 1997-09-02 | Endocardial Solutions, Inc. | Electrophysiology mapping system |
US6603996B1 (en) * | 2000-06-07 | 2003-08-05 | Graydon Ernest Beatty | Software for mapping potential distribution of a heart chamber |
US5297549A (en) | 1992-09-23 | 1994-03-29 | Endocardial Therapeutics, Inc. | Endocardial mapping system |
US5553611A (en) | 1994-01-06 | 1996-09-10 | Endocardial Solutions, Inc. | Endocardial measurement method |
US5622174A (en) | 1992-10-02 | 1997-04-22 | Kabushiki Kaisha Toshiba | Ultrasonic diagnosis apparatus and image displaying system |
US5687737A (en) | 1992-10-09 | 1997-11-18 | Washington University | Computerized three-dimensional cardiac mapping with interactive visual displays |
US5385146A (en) | 1993-01-08 | 1995-01-31 | Goldreyer; Bruce N. | Orthogonal sensing for use in clinical electrophysiology |
US5433198A (en) | 1993-03-11 | 1995-07-18 | Desai; Jawahar M. | Apparatus and method for cardiac ablation |
US5601084A (en) | 1993-06-23 | 1997-02-11 | University Of Washington | Determining cardiac wall thickness and motion by imaging and three-dimensional modeling |
DE69432148T2 (en) | 1993-07-01 | 2003-10-16 | Boston Scient Ltd | CATHETER FOR IMAGE DISPLAY, DISPLAY OF ELECTRICAL SIGNALS AND ABLATION |
US5840031A (en) | 1993-07-01 | 1998-11-24 | Boston Scientific Corporation | Catheters for imaging, sensing electrical potentials and ablating tissue |
US5551426A (en) | 1993-07-14 | 1996-09-03 | Hummel; John D. | Intracardiac ablation and mapping catheter |
US5391199A (en) | 1993-07-20 | 1995-02-21 | Biosense, Inc. | Apparatus and method for treating cardiac arrhythmias |
US5738096A (en) | 1993-07-20 | 1998-04-14 | Biosense, Inc. | Cardiac electromechanics |
US5409000A (en) | 1993-09-14 | 1995-04-25 | Cardiac Pathways Corporation | Endocardial mapping and ablation system utilizing separately controlled steerable ablation catheter with ultrasonic imaging capabilities and method |
US5908446A (en) | 1994-07-07 | 1999-06-01 | Cardiac Pathways Corporation | Catheter assembly, catheter and multi-port introducer for use therewith |
US5558091A (en) | 1993-10-06 | 1996-09-24 | Biosense, Inc. | Magnetic determination of position and orientation |
US5458126A (en) | 1994-02-24 | 1995-10-17 | General Electric Company | Cardiac functional analysis system employing gradient image segmentation |
US5661108A (en) * | 1994-06-01 | 1997-08-26 | Fmc Corporation | Herbicidal 3-(bicyclic nitrogen-containing heterocycle)-substituted-1-methyl-6-trifluoromethyluracils |
US5722402A (en) | 1994-10-11 | 1998-03-03 | Ep Technologies, Inc. | Systems and methods for guiding movable electrode elements within multiple-electrode structures |
US6690963B2 (en) * | 1995-01-24 | 2004-02-10 | Biosense, Inc. | System for determining the location and orientation of an invasive medical instrument |
US5690117A (en) * | 1995-03-20 | 1997-11-25 | Gilbert; John W. | Ultrasonic-fiberoptic imaging ventricular catheter |
JPH10504225A (en) | 1995-06-07 | 1998-04-28 | ユニバーシティ オブ フロリダ リサーチ ファウンデーション,インク. | An automated method for digital image quantification |
US5824005A (en) | 1995-08-22 | 1998-10-20 | Board Of Regents, The University Of Texas System | Maneuverable electrophysiology catheter for percutaneous or intraoperative ablation of cardiac arrhythmias |
US5848972A (en) | 1995-09-15 | 1998-12-15 | Children's Medical Center Corporation | Method for endocardial activation mapping using a multi-electrode catheter |
US5697377A (en) | 1995-11-22 | 1997-12-16 | Medtronic, Inc. | Catheter mapping system and method |
DE19622078A1 (en) | 1996-05-31 | 1997-12-04 | Siemens Ag | Active current localising appts. for heart |
US5871019A (en) | 1996-09-23 | 1999-02-16 | Mayo Foundation For Medical Education And Research | Fast cardiac boundary imaging |
US5669382A (en) | 1996-11-19 | 1997-09-23 | General Electric Company | System for measuring myocardium in cardiac images |
US6095976A (en) | 1997-06-19 | 2000-08-01 | Medinol Ltd. | Method for enhancing an image derived from reflected ultrasound signals produced by an ultrasound transmitter and detector inserted in a bodily lumen |
US20040006268A1 (en) * | 1998-09-24 | 2004-01-08 | Super Dimension Ltd Was Filed In Parent Case | System and method of recording and displaying in context of an image a location of at least one point-of-interest in a body during an intra-body medical procedure |
US6364835B1 (en) * | 1998-11-20 | 2002-04-02 | Acuson Corporation | Medical diagnostic ultrasound imaging methods for extended field of view |
US6522906B1 (en) * | 1998-12-08 | 2003-02-18 | Intuitive Surgical, Inc. | Devices and methods for presenting and regulating auxiliary information on an image display of a telesurgical system to assist an operator in performing a surgical procedure |
US7343195B2 (en) * | 1999-05-18 | 2008-03-11 | Mediguide Ltd. | Method and apparatus for real time quantitative three-dimensional image reconstruction of a moving organ and intra-body navigation |
US6443894B1 (en) * | 1999-09-29 | 2002-09-03 | Acuson Corporation | Medical diagnostic ultrasound system and method for mapping surface data for three dimensional imaging |
US7366562B2 (en) * | 2003-10-17 | 2008-04-29 | Medtronic Navigation, Inc. | Method and apparatus for surgical navigation |
US6650927B1 (en) * | 2000-08-18 | 2003-11-18 | Biosense, Inc. | Rendering of diagnostic imaging data on a three-dimensional map |
US20030093067A1 (en) * | 2001-11-09 | 2003-05-15 | Scimed Life Systems, Inc. | Systems and methods for guiding catheters using registered images |
DE10210648A1 (en) * | 2002-03-11 | 2003-10-02 | Siemens Ag | Medical 3-D imaging method for organ and catheter type instrument portrayal in which 2-D ultrasound images, the location and orientation of which are known, are combined in a reference coordinate system to form a 3-D image |
US7477763B2 (en) * | 2002-06-18 | 2009-01-13 | Boston Scientific Scimed, Inc. | Computer generated representation of the imaging pattern of an imaging device |
WO2004084737A1 (en) * | 2003-03-27 | 2004-10-07 | Koninklijke Philips Electronics N.V. | Guidance of invasive medical devices by three dimensional ultrasonic imaging |
EP1618409A1 (en) * | 2003-03-27 | 2006-01-25 | Koninklijke Philips Electronics N.V. | Guidance of invasive medical devices with combined three dimensional ultrasonic imaging system |
US7270634B2 (en) * | 2003-03-27 | 2007-09-18 | Koninklijke Philips Electronics N.V. | Guidance of invasive medical devices by high resolution three dimensional ultrasonic imaging |
CA2555473A1 (en) * | 2004-02-17 | 2005-09-01 | Traxtal Technologies Inc. | Method and apparatus for registration, verification, and referencing of internal organs |
EP1720480A1 (en) * | 2004-03-05 | 2006-11-15 | Hansen Medical, Inc. | Robotic catheter system |
US8515527B2 (en) * | 2004-10-13 | 2013-08-20 | General Electric Company | Method and apparatus for registering 3D models of anatomical regions of a heart and a tracking system with projection images of an interventional fluoroscopic system |
US7713210B2 (en) * | 2004-11-23 | 2010-05-11 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Method and apparatus for localizing an ultrasound catheter |
-
1993
- 1993-09-23 WO PCT/US1993/009015 patent/WO1994006349A1/en active IP Right Grant
- 1993-09-23 CA CA2144973A patent/CA2144973C/en not_active Expired - Lifetime
- 1993-09-23 CA CA002678625A patent/CA2678625A1/en active Pending
- 1993-09-23 JP JP50843194A patent/JP3581888B2/en not_active Expired - Fee Related
- 1993-09-23 DE DE69315354T patent/DE69315354T2/en not_active Expired - Lifetime
- 1993-09-23 AT AT93922724T patent/ATE160273T1/en active
- 1993-09-23 EP EP93922724A patent/EP0661948B1/en not_active Expired - Lifetime
- 1993-09-23 CA CA2447239A patent/CA2447239C/en not_active Expired - Lifetime
-
2000
- 2000-06-07 US US09/589,407 patent/US6826420B1/en not_active Expired - Fee Related
- 2000-06-07 US US09/589,409 patent/US6826421B1/en not_active Expired - Fee Related
-
2003
- 2003-02-26 US US10/375,752 patent/US6978168B2/en not_active Expired - Fee Related
-
2004
- 2004-01-28 JP JP2004019295A patent/JP3876344B2/en not_active Expired - Lifetime
- 2004-12-03 US US11/003,207 patent/US7289843B2/en not_active Expired - Fee Related
-
2005
- 2005-11-03 US US11/265,137 patent/US20060084970A1/en not_active Abandoned
- 2005-11-03 US US11/265,142 patent/US8208998B2/en not_active Expired - Fee Related
- 2005-11-03 US US11/265,141 patent/US20060058693A1/en not_active Abandoned
- 2005-11-03 US US11/265,133 patent/US20060084884A1/en not_active Abandoned
- 2005-11-03 US US11/265,139 patent/US20060084972A1/en not_active Abandoned
- 2005-11-03 US US11/265,140 patent/US20060058692A1/en not_active Abandoned
- 2005-11-03 US US11/265,138 patent/US20060084971A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0661948A1 (en) | 1995-07-12 |
JP3581888B2 (en) | 2004-10-27 |
CA2447239A1 (en) | 1994-03-31 |
US20060058693A1 (en) | 2006-03-16 |
ATE160273T1 (en) | 1997-12-15 |
CA2678625A1 (en) | 1994-03-31 |
US20030176799A1 (en) | 2003-09-18 |
JP2004209262A (en) | 2004-07-29 |
US6978168B2 (en) | 2005-12-20 |
JP3876344B2 (en) | 2007-01-31 |
US20060084972A1 (en) | 2006-04-20 |
US20060084971A1 (en) | 2006-04-20 |
US6826420B1 (en) | 2004-11-30 |
US20060052716A1 (en) | 2006-03-09 |
CA2144973A1 (en) | 1994-03-31 |
US20060058692A1 (en) | 2006-03-16 |
US20060084970A1 (en) | 2006-04-20 |
US6826421B1 (en) | 2004-11-30 |
WO1994006349A1 (en) | 1994-03-31 |
DE69315354D1 (en) | 1998-01-02 |
DE69315354T2 (en) | 1998-03-19 |
EP0661948B1 (en) | 1997-11-19 |
US20060084884A1 (en) | 2006-04-20 |
CA2144973C (en) | 2010-02-09 |
US20050101874A1 (en) | 2005-05-12 |
US7289843B2 (en) | 2007-10-30 |
JPH08501477A (en) | 1996-02-20 |
US8208998B2 (en) | 2012-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2447239C (en) | Endocardial mapping system | |
US5311866A (en) | Heart mapping catheter | |
US7831288B1 (en) | Method for mapping potential distribution of a heart chamber | |
US7930012B2 (en) | Chamber location method | |
US6603996B1 (en) | Software for mapping potential distribution of a heart chamber | |
US4699147A (en) | Intraventricular multielectrode cardial mapping probe and method for using same | |
US8744599B2 (en) | High density mapping catheter | |
US5628313A (en) | Cardiovascular catheter with laterally stable basket-shaped electrode array | |
KR100789117B1 (en) | Catheter, method and apparatus for generating an electrical map of a chamber of the heart | |
US20180116595A1 (en) | Electrophysiological Mapping Catheter | |
US5526810A (en) | Intraventricular mapping catheter | |
US6647617B1 (en) | Method of construction an endocardial mapping catheter | |
EP3315086B1 (en) | Elongated medical device suitable for intravascular insertion and method of making such a device | |
US11523762B2 (en) | Electrophysiological mapping catheter | |
CN115443170A (en) | Single core optical fiber and multi-core optical fiber configuration for medical devices |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |