WO2002019906A3 - A catheter - Google Patents

A catheter Download PDF

Info

Publication number
WO2002019906A3
WO2002019906A3 PCT/EP2001/010392 EP0110392W WO0219906A3 WO 2002019906 A3 WO2002019906 A3 WO 2002019906A3 EP 0110392 W EP0110392 W EP 0110392W WO 0219906 A3 WO0219906 A3 WO 0219906A3
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
oscillator
vessel wall
frequency
variable
Prior art date
Application number
PCT/EP2001/010392
Other languages
French (fr)
Other versions
WO2002019906A2 (en
Inventor
Leonidas Diamantopoulos
Original Assignee
Thermocore Medical Systems S A
Leonidas Diamantopoulos
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 Thermocore Medical Systems S A, Leonidas Diamantopoulos filed Critical Thermocore Medical Systems S A
Priority to AU2001291842A priority Critical patent/AU2001291842A1/en
Publication of WO2002019906A2 publication Critical patent/WO2002019906A2/en
Publication of WO2002019906A3 publication Critical patent/WO2002019906A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • 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]

Abstract

In a present invention the physiology of a vessel wall is investigated using the frequency shifting of an oscillator (21) due to capacitance variations of a capacitor formed between a metallic plate (12) carried by a catheter (10) and an adjacent section of the vessel wall in which the catheter (10) is inserted. Changes in capacitance presented by this variable are detected by the frequency shifting of an associated variable frequency oscillator (21) which is mixed with the output of a fixed frequency oscillator (23).
PCT/EP2001/010392 2000-09-08 2001-09-07 A catheter WO2002019906A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001291842A AU2001291842A1 (en) 2000-09-08 2001-09-07 A catheter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00870197 2000-09-08
EP00870197.1 2000-09-08

Publications (2)

Publication Number Publication Date
WO2002019906A2 WO2002019906A2 (en) 2002-03-14
WO2002019906A3 true WO2002019906A3 (en) 2002-06-06

Family

ID=8175805

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/010392 WO2002019906A2 (en) 2000-09-08 2001-09-07 A catheter

Country Status (2)

Country Link
AU (1) AU2001291842A1 (en)
WO (1) WO2002019906A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3411113B1 (en) 2016-02-04 2019-11-27 Cardiac Pacemakers, Inc. Delivery system with force sensor for leadless cardiac device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852580A (en) * 1986-09-17 1989-08-01 Axiom Medical, Inc. Catheter for measuring bioimpedance
WO1990000030A1 (en) * 1988-07-01 1990-01-11 Koch Elektronik + Apparatebau Ag Measurement probe for locating metallic objects in the human or animal body
US5063937A (en) * 1990-09-12 1991-11-12 Wright State University Multiple frequency bio-impedance measurement system
US5447529A (en) * 1994-01-28 1995-09-05 Philadelphia Heart Institute Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation
WO1996012439A1 (en) * 1994-10-24 1996-05-02 Transscan Research & Development Co. Ltd. Impedance imaging devices and multi-element probe
US5553611A (en) * 1994-01-06 1996-09-10 Endocardial Solutions, Inc. Endocardial measurement method
US5665103A (en) * 1996-03-07 1997-09-09 Scimed Life Systems, Inc. Stent locating device
WO1997045157A1 (en) * 1996-05-28 1997-12-04 Advanced Coronary Intervention Medical catheters for ablation and detection
WO1998035611A1 (en) * 1997-02-16 1998-08-20 Technion Research And Development Foundation Ltd. Blood vessel cross-sectional area detector and compliance measurement device and method
US5800443A (en) * 1997-03-28 1998-09-01 Shah; Ajit Apparatus and method for localizing prostheses deployed in a body lumen

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852580A (en) * 1986-09-17 1989-08-01 Axiom Medical, Inc. Catheter for measuring bioimpedance
WO1990000030A1 (en) * 1988-07-01 1990-01-11 Koch Elektronik + Apparatebau Ag Measurement probe for locating metallic objects in the human or animal body
US5063937A (en) * 1990-09-12 1991-11-12 Wright State University Multiple frequency bio-impedance measurement system
US5553611A (en) * 1994-01-06 1996-09-10 Endocardial Solutions, Inc. Endocardial measurement method
US5447529A (en) * 1994-01-28 1995-09-05 Philadelphia Heart Institute Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation
WO1996012439A1 (en) * 1994-10-24 1996-05-02 Transscan Research & Development Co. Ltd. Impedance imaging devices and multi-element probe
US5665103A (en) * 1996-03-07 1997-09-09 Scimed Life Systems, Inc. Stent locating device
WO1997045157A1 (en) * 1996-05-28 1997-12-04 Advanced Coronary Intervention Medical catheters for ablation and detection
WO1998035611A1 (en) * 1997-02-16 1998-08-20 Technion Research And Development Foundation Ltd. Blood vessel cross-sectional area detector and compliance measurement device and method
US5800443A (en) * 1997-03-28 1998-09-01 Shah; Ajit Apparatus and method for localizing prostheses deployed in a body lumen

Also Published As

Publication number Publication date
AU2001291842A1 (en) 2002-03-22
WO2002019906A2 (en) 2002-03-14

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