ATE422328T1 - Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss - Google Patents

Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss

Info

Publication number
ATE422328T1
ATE422328T1 AT06783918T AT06783918T ATE422328T1 AT E422328 T1 ATE422328 T1 AT E422328T1 AT 06783918 T AT06783918 T AT 06783918T AT 06783918 T AT06783918 T AT 06783918T AT E422328 T1 ATE422328 T1 AT E422328T1
Authority
AT
Austria
Prior art keywords
determining
blood vessel
flow
section
cross
Prior art date
Application number
AT06783918T
Other languages
English (en)
Inventor
Gheorghe Pop
Original Assignee
Martil Instr Bv
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 Martil Instr Bv filed Critical Martil Instr Bv
Application granted granted Critical
Publication of ATE422328T1 publication Critical patent/ATE422328T1/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/026Measuring blood flow
    • A61B5/0265Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter
    • A61B5/027Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/026Measuring blood flow
    • A61B5/0295Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535Impedance plethysmography
AT06783918T 2005-09-15 2006-09-12 Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss ATE422328T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1029969 2005-09-15
NL1032272A NL1032272C2 (nl) 2005-09-15 2006-08-03 Werkwijze en inrichting voor het bepalen van het debiet in een bloedvat.

Publications (1)

Publication Number Publication Date
ATE422328T1 true ATE422328T1 (de) 2009-02-15

Family

ID=37726816

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06783918T ATE422328T1 (de) 2005-09-15 2006-09-12 Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss

Country Status (11)

Country Link
US (1) US20090209872A1 (de)
EP (1) EP1933701B1 (de)
JP (1) JP2009508569A (de)
AT (1) ATE422328T1 (de)
AU (1) AU2006291620B2 (de)
BR (1) BRPI0616062A2 (de)
CA (1) CA2622277A1 (de)
DE (1) DE602006005172D1 (de)
EA (1) EA200800826A1 (de)
NL (1) NL1032272C2 (de)
WO (1) WO2007032665A2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10172538B2 (en) 2003-02-21 2019-01-08 3Dt Holdings, Llc Body lumen junction localization
US10413211B2 (en) 2003-02-21 2019-09-17 3Dt Holdings, Llc Systems, devices, and methods for mapping organ profiles
US8078274B2 (en) 2003-02-21 2011-12-13 Dtherapeutics, Llc Device, system and method for measuring cross-sectional areas in luminal organs
EP1898784B1 (de) 2005-07-01 2016-05-18 Impedimed Limited Verfahren und vorrichtung für impedanzmessungen
CA2608962C (en) 2005-07-01 2016-12-06 Scott Chetham Monitoring system
US8784336B2 (en) 2005-08-24 2014-07-22 C. R. Bard, Inc. Stylet apparatuses and methods of manufacture
CA2625631C (en) 2005-10-11 2016-11-29 Impedance Cardiology Systems, Inc. Hydration status monitoring
US7794407B2 (en) 2006-10-23 2010-09-14 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
US8388546B2 (en) 2006-10-23 2013-03-05 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
US10307074B2 (en) 2007-04-20 2019-06-04 Impedimed Limited Monitoring system and probe
WO2009018620A1 (en) 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
US8781555B2 (en) 2007-11-26 2014-07-15 C. R. Bard, Inc. System for placement of a catheter including a signal-generating stylet
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
US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
US8849382B2 (en) 2007-11-26 2014-09-30 C. R. Bard, Inc. Apparatus and display methods relating to intravascular placement of a catheter
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
US9521961B2 (en) 2007-11-26 2016-12-20 C. R. Bard, Inc. Systems and methods for guiding a medical instrument
EP3202318B1 (de) 2007-11-26 2020-10-21 C.R. Bard, Inc. Integriertes system zur intravaskulären platzierung eines katheters
US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
US8116873B2 (en) * 2007-12-28 2012-02-14 Cvrx, Inc. Measurement of patient physiological parameters
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
WO2010057495A2 (en) * 2008-11-18 2010-05-27 Sense A/S Methods, apparatus and sensor for measurement of cardiovascular quantities
RU2691318C2 (ru) 2009-06-12 2019-06-11 Бард Аксесс Системс, Инк. Способ позиционирования конца катетера
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
US9125578B2 (en) 2009-06-12 2015-09-08 Bard Access Systems, Inc. Apparatus and method for catheter navigation and tip location
WO2011019760A2 (en) 2009-08-10 2011-02-17 Romedex International Srl Devices and methods for endovascular electrography
WO2011041450A1 (en) 2009-09-29 2011-04-07 C. R. Bard, Inc. Stylets for use with apparatus for intravascular placement of a catheter
US9615767B2 (en) 2009-10-26 2017-04-11 Impedimed Limited Fluid level indicator determination
EP2501283B1 (de) 2009-11-18 2016-09-21 Impedimed Limited Signalverteilung für patientenelektrodenmessungen
WO2011150376A1 (en) 2010-05-28 2011-12-01 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
ES2864665T3 (es) 2010-05-28 2021-10-14 Bard Inc C R Aparato para su uso con sistema de guiado de inserción de aguja
MX338127B (es) 2010-08-20 2016-04-04 Bard Inc C R Reconfirmacion de colocacion de una punta de cateter asistida por ecg.
US8801693B2 (en) 2010-10-29 2014-08-12 C. R. Bard, Inc. Bioimpedance-assisted placement of a medical device
US8608636B2 (en) * 2010-11-12 2013-12-17 Libraheart, Inc.V Ventricular assist device cannula and ventricular assist device including the same
AU2012278809B2 (en) 2011-07-06 2016-09-29 C.R. Bard, Inc. Needle length determination and calibration for insertion guidance system
CA2858244A1 (en) * 2011-12-14 2013-06-20 Intersection Medical, Inc. Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
US10159531B2 (en) 2012-04-05 2018-12-25 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
US11759268B2 (en) 2012-04-05 2023-09-19 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
WO2013152335A1 (en) 2012-04-05 2013-10-10 3Dt Holdings, Llc Devices and systems for navigation and positioning a central venous catheter within a patient
US8700133B2 (en) 2012-06-18 2014-04-15 Smart Iv Llc Apparatus and method for monitoring catheter insertion
US9597482B2 (en) 2012-06-18 2017-03-21 Smart Iv Llc Apparatus and method for monitoring catheter insertion
WO2015120256A2 (en) 2014-02-06 2015-08-13 C.R. Bard, Inc. Systems and methods for guidance and placement of an intravascular device
US10973584B2 (en) 2015-01-19 2021-04-13 Bard Access Systems, Inc. Device and method for vascular access
WO2016210325A1 (en) 2015-06-26 2016-12-29 C.R. Bard, Inc. Connector interface for ecg-based catheter positioning system
US11000207B2 (en) 2016-01-29 2021-05-11 C. R. Bard, Inc. Multiple coil system for tracking a medical device
US10992079B2 (en) 2018-10-16 2021-04-27 Bard Access Systems, Inc. Safety-equipped connection systems and methods thereof for establishing electrical connections

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149627A (en) * 1962-04-25 1964-09-22 Samuel M Bagno Plethysmograph
SU858769A1 (ru) * 1978-12-20 1981-08-30 Грузинский Ордена Ленина И Ордена Трудового Красного Знамени Политехнический Институт Им. В.И.Ленина Способ определени скорости кровотока
RU2019128C1 (ru) * 1991-06-03 1994-09-15 Научно-Исследовательский Институт Автоматики И Электромеханики При Томском Институте Автоматизированных Систем Управления И Радиоэлектроники Устройство для исследования центральной и регионарной гемодинамики
SE9202937D0 (sv) * 1992-10-07 1992-10-07 Siemens Elema Ab Frekvensadaptiv hjaertstimulator
WO1994022367A1 (en) * 1993-03-30 1994-10-13 Pfizer Inc. Radiotelemetry impedance plethysmography device
RU2134533C1 (ru) * 1997-07-02 1999-08-20 Индивидуальное частное предприятие "Изотерма" Устройство для определения кожного кровотока
RU2131696C1 (ru) * 1997-07-02 1999-06-20 Мажбич Александр Борисович Осциловазометр
NL1012223C2 (nl) * 1999-06-03 2000-12-06 Martil Instr B V Hartgangmaker alsmede gangmakereenheid en elektrische draad daarvoor.
US6360123B1 (en) * 1999-08-24 2002-03-19 Impulse Dynamics N.V. Apparatus and method for determining a mechanical property of an organ or body cavity by impedance determination
DE10002932A1 (de) * 2000-01-25 2001-07-26 Biotronik Mess & Therapieg Medizinisches Geräteimplantat
KR20040015011A (ko) * 2000-09-29 2004-02-18 뉴 헬스 사이언시즈 인코포레이티드 혈관 건강 분석평가 시스템 및 방법
AU2002341609A1 (en) * 2001-09-06 2003-03-24 Drexel University Detecting vital signs from impedance cardiograph and electrocardiogram signals
US6892095B2 (en) * 2001-12-31 2005-05-10 Cardiac Pacemakers, Inc. Method and apparatus for monitoring left ventricular work or power
US7783345B2 (en) * 2002-10-07 2010-08-24 Cnsystems Medizintechnik Gmbh Impedance-based measuring method for hemodynamic parameters
AT413189B (de) * 2002-10-07 2005-12-15 Cnsystems Medizintechnik Gmbh Medizinisches elektroden-element

Also Published As

Publication number Publication date
NL1032272C2 (nl) 2007-05-16
EA011969B1 (ru) 2009-06-30
CA2622277A1 (en) 2007-03-22
JP2009508569A (ja) 2009-03-05
AU2006291620B2 (en) 2012-02-16
BRPI0616062A2 (pt) 2011-06-07
DE602006005172D1 (de) 2009-03-26
AU2006291620A1 (en) 2007-03-22
WO2007032665A2 (en) 2007-03-22
EP1933701B1 (de) 2009-02-11
EP1933701A2 (de) 2008-06-25
US20090209872A1 (en) 2009-08-20
WO2007032665A3 (en) 2007-05-10
NL1032272A1 (nl) 2007-03-16
EA200800826A1 (ru) 2009-06-30

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