WO2006050385A3 - Cardiac motion characterization by strain measurement - Google Patents

Cardiac motion characterization by strain measurement Download PDF

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Publication number
WO2006050385A3
WO2006050385A3 PCT/US2005/039535 US2005039535W WO2006050385A3 WO 2006050385 A3 WO2006050385 A3 WO 2006050385A3 US 2005039535 W US2005039535 W US 2005039535W WO 2006050385 A3 WO2006050385 A3 WO 2006050385A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue location
strain measurement
subject methods
cardiac motion
motion characterization
Prior art date
Application number
PCT/US2005/039535
Other languages
French (fr)
Other versions
WO2006050385A2 (en
Inventor
Marc Jenson
Todd Thompson
Olivier Colliou
George M Savage
Mark Zdeblick
Jeremy Frank
Lawrence Arne
Robert White
Original Assignee
Proteus Biomedical Inc
Marc Jenson
Todd Thompson
Olivier Colliou
George M Savage
Mark Zdeblick
Jeremy Frank
Lawrence Arne
Robert White
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Proteus Biomedical Inc, Marc Jenson, Todd Thompson, Olivier Colliou, George M Savage, Mark Zdeblick, Jeremy Frank, Lawrence Arne, Robert White filed Critical Proteus Biomedical Inc
Priority to US11/718,201 priority Critical patent/US8121687B2/en
Publication of WO2006050385A2 publication Critical patent/WO2006050385A2/en
Publication of WO2006050385A3 publication Critical patent/WO2006050385A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • 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
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1107—Measuring contraction of parts of the body, e.g. organ, muscle
    • 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
    • A61B5/6851—Guide wires
    • 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
    • A61B5/6857—Catheters with a distal pigtail shape
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0261—Strain gauges
    • A61B2562/0266—Optical strain gauges
    • 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
    • A61B5/686—Permanently implanted devices, e.g. pacemakers, other stimulators, biochips
    • 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
    • A61N1/3627—Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy

Abstract

Methods for evaluating motion of a cardiac tissue location, e.g., heart wall, are provided. In the subject methods, timing of a signal obtain from a strain gauge stably associated with the tissue location of interest is employed to evaluate movement of the cardiac tissue location. Also provided are systems, devices and related compositions for practicing the subject methods. The subject methods and devices find use in a variety of different applications, including cardiac resynchronization therapy.
PCT/US2005/039535 2004-11-01 2005-10-31 Cardiac motion characterization by strain measurement WO2006050385A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/718,201 US8121687B2 (en) 2004-11-01 2005-10-31 Cardiac motion characterization by strain measurement

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US62442704P 2004-11-01 2004-11-01
US60/624,427 2004-11-01
US63824704P 2004-12-20 2004-12-20
US60/638,247 2004-12-20
US63894704P 2004-12-22 2004-12-22
US60/638,947 2004-12-22
US66774905P 2005-03-31 2005-03-31
US60/667,749 2005-03-31

Publications (2)

Publication Number Publication Date
WO2006050385A2 WO2006050385A2 (en) 2006-05-11
WO2006050385A3 true WO2006050385A3 (en) 2007-02-01

Family

ID=36319784

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/039535 WO2006050385A2 (en) 2004-11-01 2005-10-31 Cardiac motion characterization by strain measurement

Country Status (2)

Country Link
US (1) US8121687B2 (en)
WO (1) WO2006050385A2 (en)

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Also Published As

Publication number Publication date
US8121687B2 (en) 2012-02-21
WO2006050385A2 (en) 2006-05-11
US20080255629A1 (en) 2008-10-16

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