DE69402829D1 - Messung der elektrischen impedanz in blutgefässen zur identifikation des gewebes mittels eines vielfachelektrodenkatheters - Google Patents

Messung der elektrischen impedanz in blutgefässen zur identifikation des gewebes mittels eines vielfachelektrodenkatheters

Info

Publication number
DE69402829D1
DE69402829D1 DE69402829T DE69402829T DE69402829D1 DE 69402829 D1 DE69402829 D1 DE 69402829D1 DE 69402829 T DE69402829 T DE 69402829T DE 69402829 T DE69402829 T DE 69402829T DE 69402829 D1 DE69402829 D1 DE 69402829D1
Authority
DE
Germany
Prior art keywords
tissue
identify
measuring
blood vessels
electrical impedance
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
Application number
DE69402829T
Other languages
English (en)
Inventor
Maurits Konings
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universitair Medisch Centrum Utrecht
Original Assignee
Academisch Ziekenhuis Utrecht
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 Academisch Ziekenhuis Utrecht filed Critical Academisch Ziekenhuis Utrecht
Application granted granted Critical
Publication of DE69402829D1 publication Critical patent/DE69402829D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • 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
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4872—Body fat

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
DE69402829T 1993-01-07 1994-01-05 Messung der elektrischen impedanz in blutgefässen zur identifikation des gewebes mittels eines vielfachelektrodenkatheters Expired - Lifetime DE69402829D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9300028A NL9300028A (nl) 1993-01-07 1993-01-07 Werkwijze voor het met behulp van een catheter meten van de elektrische impedantie in bloedvaten en catheterisatiesysteem voor het uitvoeren van die werkwijze.
PCT/EP1994/000019 WO1994015529A1 (en) 1993-01-07 1994-01-05 Measurement of electrical impedance in blood vessels for tissue identification using a multi-electrode catheter

Publications (1)

Publication Number Publication Date
DE69402829D1 true DE69402829D1 (de) 1997-05-28

Family

ID=19861882

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69402829T Expired - Lifetime DE69402829D1 (de) 1993-01-07 1994-01-05 Messung der elektrischen impedanz in blutgefässen zur identifikation des gewebes mittels eines vielfachelektrodenkatheters

Country Status (5)

Country Link
US (1) US5603333A (de)
EP (1) EP0679065B1 (de)
DE (1) DE69402829D1 (de)
NL (1) NL9300028A (de)
WO (1) WO1994015529A1 (de)

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US7603166B2 (en) 1996-09-20 2009-10-13 Board Of Regents University Of Texas System Method and apparatus for detection of vulnerable atherosclerotic plaque
US5871449A (en) * 1996-12-27 1999-02-16 Brown; David Lloyd Device and method for locating inflamed plaque in an artery
ES2128973B1 (es) * 1997-02-10 2000-01-01 Garcia Carlos Gonzalez Electrodo neutro de electrobisturi reutilizable con gel conductor desechable independiente.
IL120228A0 (en) * 1997-02-16 1997-06-10 Technion Res & Dev Foundation Blood vessel cross-sectional detector and compliance measurement device and method
RU2145186C1 (ru) * 1997-04-29 2000-02-10 Карасев Александр Александрович Способ карасева а.а. измерения электропроводимости ткани биологического объекта
ES2143424B1 (es) * 1998-07-10 2000-12-16 Univ Catalunya Politecnica Sistema transcateter para la difernciacion entre tejido biologico normal, isquemico e infiltrado.
NL1012223C2 (nl) * 1999-06-03 2000-12-06 Martil Instr B V Hartgangmaker alsmede gangmakereenheid en elektrische draad daarvoor.
US7426409B2 (en) 1999-06-25 2008-09-16 Board Of Regents, The University Of Texas System Method and apparatus for detecting vulnerable atherosclerotic plaque
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ITMI20010684A1 (it) * 2001-03-30 2002-09-30 Valerio Cigaina Dispositivo e procedimento di controllo della entita' del grasso intra-addominale
US7818053B2 (en) 2003-02-21 2010-10-19 Dtherapeutics, Llc Devices, systems and methods for plaque type determination
US10172538B2 (en) 2003-02-21 2019-01-08 3Dt Holdings, Llc Body lumen junction localization
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US8078274B2 (en) 2003-02-21 2011-12-13 Dtherapeutics, Llc Device, system and method for measuring cross-sectional areas in luminal organs
US8784336B2 (en) 2005-08-24 2014-07-22 C. R. Bard, Inc. Stylet apparatuses and methods of manufacture
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US8849382B2 (en) 2007-11-26 2014-09-30 C. R. Bard, Inc. Apparatus and display methods relating to intravascular placement of a catheter
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US9649048B2 (en) 2007-11-26 2017-05-16 C. R. Bard, Inc. Systems and methods for breaching a sterile field for intravascular placement of a catheter
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
ES2651898T3 (es) 2007-11-26 2018-01-30 C.R. Bard Inc. Sistema integrado para la colocación intravascular de un catéter
US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
US9521961B2 (en) 2007-11-26 2016-12-20 C. R. Bard, Inc. Systems and methods for guiding a medical instrument
ES2525525T3 (es) 2008-08-22 2014-12-26 C.R. Bard, Inc. Conjunto de catéter que incluye conjuntos de sensor de ECG y magnético
US8437833B2 (en) 2008-10-07 2013-05-07 Bard Access Systems, Inc. Percutaneous magnetic gastrostomy
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
EP3542713A1 (de) 2009-06-12 2019-09-25 Bard Access Systems, Inc. Adapter für eine katheterspitzenpositionierungsvorrichtung
US9445734B2 (en) 2009-06-12 2016-09-20 Bard Access Systems, Inc. Devices and methods for endovascular electrography
CN102665541B (zh) 2009-09-29 2016-01-13 C·R·巴德股份有限公司 与用于导管的血管内放置的设备一起使用的探针
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ES2811107T3 (es) 2010-02-02 2021-03-10 Bard Inc C R Aparato y método para conducción de catéter y localización de punta
CA2800813C (en) 2010-05-28 2019-10-29 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
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EP2632360A4 (de) 2010-10-29 2014-05-21 Bard Inc C R Bioimpedanz-gestützte platzierung einer medizinischen vorrichtung
US8909316B2 (en) 2011-05-18 2014-12-09 St. Jude Medical, Cardiology Division, Inc. Apparatus and method of assessing transvascular denervation
KR20140051284A (ko) 2011-07-06 2014-04-30 씨. 알. 바드, 인크. 삽입 유도 시스템을 위한 바늘 길이 결정 및 교정
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US11759268B2 (en) 2012-04-05 2023-09-19 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
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US10973584B2 (en) 2015-01-19 2021-04-13 Bard Access Systems, Inc. Device and method for vascular access
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KR20170061752A (ko) * 2015-11-26 2017-06-07 삼성전자주식회사 교정된 전류를 이용하여 생체 임피던스를 분석하는 전자 장치
US11000207B2 (en) 2016-01-29 2021-05-11 C. R. Bard, Inc. Multiple coil system for tracking a medical device
WO2017219240A1 (zh) * 2016-06-21 2017-12-28 悦享趋势科技（北京）有限责任公司 用于检测生理组织运动的探测器及其探测方法
US10992079B2 (en) 2018-10-16 2021-04-27 Bard Access Systems, Inc. Safety-equipped connection systems and methods thereof for establishing electrical connections
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US4840182A (en) * 1988-04-04 1989-06-20 Rhode Island Hospital Conductance catheter

Also Published As

Publication number Publication date
EP0679065A1 (de) 1995-11-02
WO1994015529A1 (en) 1994-07-21
NL9300028A (nl) 1994-08-01
EP0679065B1 (de) 1997-04-23
US5603333A (en) 1997-02-18

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8332 No legal effect for de