JPH0284603U - - Google Patents

Info

Publication number
JPH0284603U
JPH0284603U JP1988163543U JP16354388U JPH0284603U JP H0284603 U JPH0284603 U JP H0284603U JP 1988163543 U JP1988163543 U JP 1988163543U JP 16354388 U JP16354388 U JP 16354388U JP H0284603 U JPH0284603 U JP H0284603U
Authority
JP
Japan
Prior art keywords
catheter
catheter body
electrodes
pair
pressure
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.)
Granted
Application number
JP1988163543U
Other languages
English (en)
Other versions
JPH0538723Y2 (ja
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 filed Critical
Priority to JP1988163543U priority Critical patent/JPH0538723Y2/ja
Priority to US07/448,921 priority patent/US5022396A/en
Publication of JPH0284603U publication Critical patent/JPH0284603U/ja
Application granted granted Critical
Publication of JPH0538723Y2 publication Critical patent/JPH0538723Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • 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
    • 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
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0215—Silver or silver chloride containing

Description

【図面の簡単な説明】
第１図は本考案の一実施例によりＭＡＰカテー
テルの要部断面図、第２図は本考案の別の実施例
によるＭＡＰカテーテルの要部断面図並びに第３
図は従来のＭＡＰカテーテルの要部断面図である
。 ９……ＭＡＰカテーテル、１０……カテーテル
本体、１０ａ……先端部正面、１０ｂ……先端部
周面、１１，１２……Ａｇ―ＡｇＣ１線、１１ｂ
，１２ｂ，２５ａ，２６ａ，３２，３２ａ……リ
ード線、２１，２２……電極、２５，２６……リ
ング状電極、３０……圧力トランスデユーサ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 心腔内へ誘導されるカテーテル本体の閉鎖
    した先端部正面に設けられて心内膜面へ接触する
    電極と、先端部周面に設けられて心腔内に位置付
    けされる電極との一対の電極で心筋細胞の活動電
    位を検出するＭＡＰカテーテルにおいて、 前記先端部周面に、心腔内圧を検出して電気信
    号として出力する圧力トランスデユーサを付加し
    、前記カテーテル本体の後端から前記活動電位用
    及び前記圧力センサの検出信号用リード線を導出
    したことを特徴とする圧力トランスデユーサ付Ｍ
    ＡＰカテーテル。 (2) カテーテル本体の先端部周面に、ペーシン
    グ用の一対の電極をさらに付加し、カテーテル本
    体の後端から前記電極用リード線を導出したこと
    を特徴とする請求項１に記載の圧力トランスデユ
    ーサ付ＭＡＰカテーテル。 (3) 活動電位検出用の一対の電極が、カテーテ
    ル本体の先端部正面及び先端部周面からそれぞれ
    突出させられたＡｇ―ＡｇＣ１線であることを特
    徴とする請求項１に記載の圧力トランスデユーサ
    付ＭＡＰカテーテル。
JP1988163543U 1988-12-19 1988-12-19 Expired - Lifetime JPH0538723Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988163543U JPH0538723Y2 (ja) 1988-12-19 1988-12-19
US07/448,921 US5022396A (en) 1988-12-19 1989-12-12 Catheter for simultaneously measuring monophasic action potential and endocardiac cavity pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988163543U JPH0538723Y2 (ja) 1988-12-19 1988-12-19

Publications (2)

Publication Number Publication Date
JPH0284603U true JPH0284603U (ja) 1990-07-02
JPH0538723Y2 JPH0538723Y2 (ja) 1993-09-30

Family

ID=15775887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988163543U Expired - Lifetime JPH0538723Y2 (ja) 1988-12-19 1988-12-19

Country Status (2)

Country Link
US (1) US5022396A (ja)
JP (1) JPH0538723Y2 (ja)

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US5438985A (en) * 1993-01-25 1995-08-08 Synectics Medical, Incorporated Ambulatory recording of the presence and activity of substances in gastro-intestinal compartments
US5657759A (en) * 1993-05-13 1997-08-19 Synectics Medical, Incorporated Measurement of gastric emptying and gastrointestinal output
US5551425A (en) * 1993-05-13 1996-09-03 Synectics Medical, Inc. Potential difference and perfusion pressure catheter
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US5477854A (en) * 1993-09-16 1995-12-26 Synectics Medical, Inc. System and method to monitor gastrointestinal Helicobacter pylori infection
US5507289A (en) * 1993-09-16 1996-04-16 Synectics Medical, Inc. System and method to diagnose bacterial growth
US5479935A (en) * 1993-10-21 1996-01-02 Synectics Medical, Inc. Ambulatory reflux monitoring system
US5833625A (en) * 1993-10-21 1998-11-10 Synectics Medical Ab Ambulatory reflux monitoring system
US5701905A (en) * 1995-11-13 1997-12-30 Localmed, Inc. Guide catheter with sensing element
US8825152B2 (en) 1996-01-08 2014-09-02 Impulse Dynamics, N.V. Modulation of intracellular calcium concentration using non-excitatory electrical signals applied to the tissue
US7167748B2 (en) 1996-01-08 2007-01-23 Impulse Dynamics Nv Electrical muscle controller
EP0910429B1 (en) * 1996-01-08 2005-03-16 Impulse Dynamics N.V. Heart activity control apparatus using synchronized non-excitatory pre-stimulation
IL125424A0 (en) 1998-07-20 1999-03-12 New Technologies Sa Ysy Ltd Pacing with hemodynamic enhancement
US8321013B2 (en) 1996-01-08 2012-11-27 Impulse Dynamics, N.V. Electrical muscle controller and pacing with hemodynamic enhancement
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US6415178B1 (en) * 1996-09-16 2002-07-02 Impulse Dynamics N.V. Fencing of cardiac muscles
US9713723B2 (en) 1996-01-11 2017-07-25 Impulse Dynamics Nv Signal delivery through the right ventricular septum
US7840264B1 (en) 1996-08-19 2010-11-23 Mr3 Medical, Llc System and method for breaking reentry circuits by cooling cardiac tissue
US7908003B1 (en) 1996-08-19 2011-03-15 Mr3 Medical Llc System and method for treating ischemia by improving cardiac efficiency
US6301496B1 (en) 1998-07-24 2001-10-09 Biosense, Inc. Vector mapping of three-dimensionally reconstructed intrabody organs and method of display
US6226542B1 (en) 1998-07-24 2001-05-01 Biosense, Inc. Three-dimensional reconstruction of intrabody organs
US6152882A (en) * 1999-01-26 2000-11-28 Impulse Dynamics N.V. Apparatus and method for chronic measurement of monophasic action potentials
ES2338405T3 (es) * 1999-02-04 2010-05-07 Pluristem Ltd. Metodo y aparato para mantenimiento y expasion de celulas madre hemopoyeticas y/o celulas progenitoras.
US8666495B2 (en) 1999-03-05 2014-03-04 Metacure Limited Gastrointestinal methods and apparatus for use in treating disorders and controlling blood sugar
US9101765B2 (en) 1999-03-05 2015-08-11 Metacure Limited Non-immediate effects of therapy
US8700161B2 (en) 1999-03-05 2014-04-15 Metacure Limited Blood glucose level control
US8019421B2 (en) 1999-03-05 2011-09-13 Metacure Limited Blood glucose level control
US8346363B2 (en) 1999-03-05 2013-01-01 Metacure Limited Blood glucose level control
US6263242B1 (en) 1999-03-25 2001-07-17 Impulse Dynamics N.V. Apparatus and method for timing the delivery of non-excitatory ETC signals to a heart
US6223072B1 (en) 1999-06-08 2001-04-24 Impulse Dynamics N.V. Apparatus and method for collecting data useful for determining the parameters of an alert window for timing delivery of ETC signals to a heart under varying cardiac conditions
US6233487B1 (en) 1999-06-08 2001-05-15 Impulse Dynamics N.V. Apparatus and method for setting the parameters of an alert window used for timing the delivery of ETC signals to a heart under varying cardiac conditions
US6385476B1 (en) 1999-09-21 2002-05-07 Biosense, Inc. Method and apparatus for intracardially surveying a condition of a chamber of a heart
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505652U (ja) * 1973-05-11 1975-01-21
JPS60192801U (ja) * 1984-06-01 1985-12-21 和田　寿郎 心電計に接続可能なカテ−テル
JPS6284740A (ja) * 1985-09-06 1987-04-18 カ−デイアツク　ペ−スメイカ−ズ．インコ−ポレ−テツド 心臓の室内容量を測定するための装置

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Patent Citations (3)

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JPS505652U (ja) * 1973-05-11 1975-01-21
JPS60192801U (ja) * 1984-06-01 1985-12-21 和田　寿郎 心電計に接続可能なカテ−テル
JPS6284740A (ja) * 1985-09-06 1987-04-18 カ−デイアツク　ペ−スメイカ−ズ．インコ−ポレ−テツド 心臓の室内容量を測定するための装置

Also Published As

Publication number Publication date
US5022396A (en) 1991-06-11
JPH0538723Y2 (ja) 1993-09-30

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