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
German (de)
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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Electromagnetism (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
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 (enExample)
EP (1) EP1933701B1 (enExample)
JP (1) JP2009508569A (enExample)
AT (1) ATE422328T1 (enExample)
AU (1) AU2006291620B2 (enExample)
BR (1) BRPI0616062A2 (enExample)
CA (1) CA2622277A1 (enExample)
DE (1) DE602006005172D1 (enExample)
EA (1) EA011969B1 (enExample)
NL (1) NL1032272C2 (enExample)
WO (1) WO2007032665A2 (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10413211B2 (en) 2003-02-21 2019-09-17 3Dt Holdings, Llc Systems, devices, and methods for mapping organ profiles
US10172538B2 (en) 2003-02-21 2019-01-08 3Dt Holdings, Llc Body lumen junction localization
US8078274B2 (en) 2003-02-21 2011-12-13 Dtherapeutics, Llc Device, system and method for measuring cross-sectional areas in luminal organs
US7818053B2 (en) 2003-02-21 2010-10-19 Dtherapeutics, Llc Devices, systems and methods for plaque type determination
EP2449964B1 (en) 2005-07-01 2016-08-10 Impedimed Limited Connector for Impedance Measurement System
EP1898784B1 (en) 2005-07-01 2016-05-18 Impedimed Limited Method and apparatus for performing impedance measurements
US8784336B2 (en) 2005-08-24 2014-07-22 C. R. Bard, Inc. Stylet apparatuses and methods of manufacture
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited 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
AU2008241356B2 (en) 2007-04-20 2013-10-03 Impedimed Limited Monitoring system and probe
AU2008286194B2 (en) 2007-08-09 2014-05-15 Impedimed Limited Impedance measurement process
US8849382B2 (en) 2007-11-26 2014-09-30 C. R. Bard, Inc. Apparatus and display methods relating to intravascular placement of a catheter
US9521961B2 (en) 2007-11-26 2016-12-20 C. R. Bard, Inc. Systems and methods for guiding a medical instrument
US8781555B2 (en) 2007-11-26 2014-07-15 C. R. Bard, Inc. System for placement of a catheter including a signal-generating stylet
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
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
EP2712547B1 (en) 2007-11-26 2015-09-30 C. R. Bard, Inc. Integrated system for intravascular placement of a catheter
EP2224847A4 (en) * 2007-12-28 2013-01-23 Cvrx Inc MEASURE THE PHYSIOLOGICAL PARAMETERS OF A PATIENT
EP2313143B1 (en) 2008-08-22 2014-09-24 C.R. Bard, Inc. Catheter assembly including ecg sensor and magnetic assemblies
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
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
BRPI1010773B1 (pt) 2009-06-12 2021-06-01 Bard Access Systems, Inc Adaptador para eletrocardiografia endovascular referência cruzada para pedidos relacionados
EP2464407A4 (en) 2009-08-10 2014-04-02 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
CA2777797A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
JP5755234B2 (ja) 2009-11-18 2015-07-29 インぺディメッド リミテッドImpedimed Limited 患者−電極間測定のための装置およびシステム
JP2013518676A (ja) 2010-02-02 2013-05-23 シー・アール・バード・インコーポレーテッド カテーテルナビゲーションおよびチップの位置を特定するための装置および方法
ES2778041T3 (es) 2010-05-28 2020-08-07 Bard Inc C R Aparato para su uso con sistema de guiado de inserción de aguja
EP2912999B1 (en) 2010-05-28 2022-06-29 C. R. Bard, Inc. Apparatus for use with needle insertion guidance system
US20120046562A1 (en) 2010-08-20 2012-02-23 C. R. Bard, Inc. Reconfirmation of ecg-assisted catheter tip placement
CN103189009B (zh) 2010-10-29 2016-09-07 C·R·巴德股份有限公司 医疗设备的生物阻抗辅助放置
US8608636B2 (en) * 2010-11-12 2013-12-17 Libraheart, Inc.V Ventricular assist device cannula and ventricular assist device including the same
JP6008960B2 (ja) 2011-07-06 2016-10-19 シー・アール・バード・インコーポレーテッドC R Bard Incorporated 挿入案内システムのためのニードル長決定および較正
AU2012351988B2 (en) * 2011-12-14 2017-05-04 Impedimed Limited Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
US11759268B2 (en) 2012-04-05 2023-09-19 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
EP2833786A4 (en) 2012-04-05 2015-11-11 Bard Access Systems Inc DEVICES AND SYSTEMS FOR NAVIGATING AND POSITIONING A CENTRAL VENOUS CATHETER IN A PATIENT
US10159531B2 (en) 2012-04-05 2018-12-25 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
US9597482B2 (en) 2012-06-18 2017-03-21 Smart Iv Llc Apparatus and method for monitoring catheter insertion
US8700133B2 (en) 2012-06-18 2014-04-15 Smart Iv Llc Apparatus and method for monitoring catheter insertion
CN105979868B (zh) 2014-02-06 2020-03-10 C·R·巴德股份有限公司 用于血管内装置的导向和放置的系统和方法
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
CN112867443B (zh) 2018-10-16 2024-04-26 巴德阿克塞斯系统股份有限公司 用于建立电连接的安全装备连接系统及其方法

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
US6740038B2 (en) * 2000-09-29 2004-05-25 New Health Sciences, Inc. Systems and methods for assessing vascular effects of a treatment
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
AT413189B (de) * 2002-10-07 2005-12-15 Cnsystems Medizintechnik Gmbh Medizinisches elektroden-element
US7783345B2 (en) * 2002-10-07 2010-08-24 Cnsystems Medizintechnik Gmbh Impedance-based measuring method for hemodynamic parameters

Also Published As

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

Similar Documents

Publication Publication Date Title
ATE422328T1 (de) Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss
ATE434968T1 (de) Vorrichtung und verfahren zur bereitstellung eines flusses zu den endoskopkanälen
EP2141464A4 (en) FLOW MEASURING DEVICE AND PROGRAM THEREOF, FLOW MEASURING METHOD, AND FLUID SUPPLY SYSTEM
DK1848326T3 (da) System, method and apparatus for measuring blood flow and blood volume
EP1915594A4 (en) PROCEDURE FOR DETERMINING TRANSDUCER DELAY TIME AND TRANSDUCER SEPARATION IN ULTRASONIC FLOWMETERS
EP2594910A3 (en) Ultrasonic type flowmeter apparatus and method of using the same
EP1986568A4 (en) METHODS AND DEVICES FOR RECOVERING BLOOD CIRCULATION IN A BLOCKED VASCULAR SYSTEM
DE602004028293D1 (de) Verfahren und vorrichtung zur bestimmung der hydriten
DE502005003454D1 (de) Vorrichtung zur feststellung des zustands eines russpartikelfilters
EP2006599A3 (en) Vehicle and method for calculating a remaining gas amount in a gas container of a vehicle
EP2116837A4 (en) INSTRUMENT FOR MEASURING THE CONCENTRATION OF PARTICLES IN A LIQUID, MEASURING METHOD AND MEASUREMENT PROGRAM
EP1630529A4 (en) ULTRASONIC FLOW SPEED DISTRIBUTION METER / FLOWMETER, METHOD FOR ULTRASONIC MEASUREMENT OF A FLOW SPEED DISTRIBUTION / FLOW RATE, PROGRAM FOR ULTRASONIC MEASUREMENT OF A FLOW SPEED DISTRIBUTION / FLOW RATE
ATE545848T1 (de) Verfahren und vorrichtung zur bestimmung des strömungsdrucks unter verwendung von dichteinformationen
DE602006007814D1 (de) Vorrichtung und Verfahren zum Messen der Durchgangszeit des Sauerstoffes im Blut
EP2717026A3 (en) Method of and apparatus for determining a flow rate of a fluid and detecting gas bubbles or particles in the fluid
DE502006001153D1 (de) Verfahren und Vorrichtung zur elektrochemischen Behandlung von Bauteilen in Durchlaufanlagen
DE112009003438A5 (de) Verfahren und Vorrichtung zur Fluidströmungsmessung
AT6303U3 (de) Verfahren zur kontinuierlichen messung eines dynamischen flüssigkeitsverbrauchs, sowie druckregler und vorrichtung zur kontinuierlichen messung eines dynamischen flüssigkeitsverbrauchs
DE502005007397D1 (de) Verfahren und Vorrichtung zur Bestimmung des absoluten Drucks in durch Fluid durchströmten Rohren
ATE530882T1 (de) Verfahren zur bestimmung und/oder überwachung des füllstands eines mediums in einem behälter
EP2469368A3 (en) Method and system for determining a component's resistance to flow
EP2470071A4 (en) DEVICE, SYSTEM AND METHOD FOR DETERMINING ORAL / LABIALE RIGIDITY
WO2005124356A3 (en) Use of protein cbp2 as a marker for colorectal cancer
EP1975597A3 (de) Scherstress-Applikation
DE112008000493A5 (de) Verfahren und Vorrichtung zur Ultraschall-Messung von Blutfluß

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties