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DE602006005172D1 - 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
DE602006005172D1
DE602006005172D1 DE602006005172T DE602006005172T DE602006005172D1 DE 602006005172 D1 DE602006005172 D1 DE 602006005172D1 DE 602006005172 T DE602006005172 T DE 602006005172T DE 602006005172 T DE602006005172 T DE 602006005172T DE 602006005172 D1 DE602006005172 D1 DE 602006005172D1
Authority
DE
Germany
Prior art keywords
determining
blood vessel
flow
section
cross
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.)
Active
Application number
DE602006005172T
Other languages
English (en)
Inventor
Gheorghe Aurel Pop
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.)
Martil Instruments BV
Original Assignee
Martil Instruments 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 Instruments BV filed Critical Martil Instruments BV
Publication of DE602006005172D1 publication Critical patent/DE602006005172D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0265—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter
    • A61B5/027—Measuring blood flow using electromagnetic means, e.g. electromagnetic flowmeter using catheters
    • 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
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring 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
    • 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
    • A61B5/0535—Impedance plethysmography

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Electromagnetism (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular 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)
DE602006005172T 2005-09-15 2006-09-12 Verfahren und vorrichtung zur bestimmung des durchflusses in einem blutgefäss Active DE602006005172D1 (de)

Applications Claiming Priority (3)

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.
PCT/NL2006/000452 WO2007032665A2 (en) 2005-09-15 2006-09-12 Method and device for determining flow in a blood vessel

Publications (1)

Publication Number Publication Date
DE602006005172D1 true DE602006005172D1 (de) 2009-03-26

Family

ID=37726816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006005172T Active DE602006005172D1 (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) EA011969B1 (de)
NL (1) NL1032272C2 (de)
WO (1) WO2007032665A2 (de)

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ES2473278T3 (es) 2007-04-20 2014-07-04 Impedimed Limited Sonda y sistema de monitorización
CA2707419A1 (en) 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
AU2008329807B2 (en) 2007-11-26 2014-02-27 C. R. Bard, Inc. Integrated system for intravascular placement of a catheter
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
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US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
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US8437833B2 (en) 2008-10-07 2013-05-07 Bard Access Systems, Inc. Percutaneous magnetic gastrostomy
EP2369983B8 (de) * 2008-11-18 2020-12-16 Philips Healthcare Informatics, Inc. Verfahren und gerät zur messung von kardiovaskulären mengen
EP3542713A1 (de) 2009-06-12 2019-09-25 Bard Access Systems, Inc. Adapter für eine katheterspitzenpositionierungsvorrichtung
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
EP2464407A4 (de) 2009-08-10 2014-04-02 Bard Access Systems Inc Vorrichtungen und verfahren für endovaskuläre elektrographie
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
JP5643829B2 (ja) 2009-10-26 2014-12-17 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ インピーダンス測定の分析において用いるための方法及び装置
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
WO2011150376A1 (en) 2010-05-28 2011-12-01 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
CA2800813C (en) 2010-05-28 2019-10-29 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
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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
KR20140051284A (ko) 2011-07-06 2014-04-30 씨. 알. 바드, 인크. 삽입 유도 시스템을 위한 바늘 길이 결정 및 교정
US9149225B2 (en) 2011-12-14 2015-10-06 Intesection Medical, Inc. 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
EP3808259B1 (de) 2012-04-05 2026-02-11 Bard Access Systems, Inc. Vorrichtungen und systeme zur navigation und positionierung eines zentralvenösen katheters in einem patienten
US10159531B2 (en) 2012-04-05 2018-12-25 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
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
US10349890B2 (en) 2015-06-26 2019-07-16 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

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Also Published As

Publication number Publication date
EA200800826A1 (ru) 2009-06-30
NL1032272C2 (nl) 2007-05-16
ATE422328T1 (de) 2009-02-15
NL1032272A1 (nl) 2007-03-16
US20090209872A1 (en) 2009-08-20
BRPI0616062A2 (pt) 2011-06-07
CA2622277A1 (en) 2007-03-22
AU2006291620A1 (en) 2007-03-22
AU2006291620B2 (en) 2012-02-16
EA011969B1 (ru) 2009-06-30
EP1933701B1 (de) 2009-02-11
EP1933701A2 (de) 2008-06-25
WO2007032665A3 (en) 2007-05-10
JP2009508569A (ja) 2009-03-05
WO2007032665A2 (en) 2007-03-22

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