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 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
    • A61B5/026—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 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
    • A61B5/026—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)
  • 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)
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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US8388546B2 (en) 2006-10-23 2013-03-05 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
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AU2008286194B2 (en) 2007-08-09 2014-05-15 Impedimed Limited Impedance measurement process
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US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
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
US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
US8849382B2 (en) 2007-11-26 2014-09-30 C. R. Bard, Inc. Apparatus and display methods relating to 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
US9521961B2 (en) 2007-11-26 2016-12-20 C. R. Bard, Inc. Systems and methods for guiding a medical instrument
EP2224847A4 (de) * 2007-12-28 2013-01-23 Cvrx Inc Messung der physiologischen parameter eines patienten
US9901714B2 (en) 2008-08-22 2018-02-27 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
US9138161B2 (en) * 2008-11-18 2015-09-22 Qualcomm Incorporated 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
EP2464407A4 (de) 2009-08-10 2014-04-02 Bard Access Systems Inc Vorrichtungen und verfahren für endovaskuläre elektrographie
EP2517622A3 (de) 2009-09-29 2013-04-24 C. R. Bard, Inc. Stillete zur Verwendung mit Vorrichtungen zur intravaskulären Positionierung eines Katheters
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
AU2010321683B2 (en) 2009-11-18 2014-06-26 Impedimed Limited Signal distribution for patient-electrode measurements
WO2011097312A1 (en) 2010-02-02 2011-08-11 C.R. Bard, Inc. Apparatus and method for catheter navigation and tip location
WO2011150376A1 (en) 2010-05-28 2011-12-01 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
CN103037762B (zh) 2010-05-28 2016-07-13 C·R·巴德股份有限公司 用于与针插入引导系统一起使用的装置
JP5845260B2 (ja) 2010-08-20 2016-01-20 シー・アール・バード・インコーポレーテッドＣ Ｒ Ｂａｒｄ Ｉｎｃｏｒｐｏｒａｔｅｄ Ｅｃｇ支援カテーテル先端配置の再確認
WO2012058461A1 (en) 2010-10-29 2012-05-03 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
BR112013030348A2 (pt) 2011-07-06 2017-08-01 Bard Inc C R método para determinação de um comprimento de um componente médico para uso com um sistema de aquisição de imagem por ultrassom incluindo uma sonda; método para determinação de um comprimento de uma agulha por um sistema de orientação de agulha; e sistema de determinação de comprimento de agulha para um dispositivo de aquisição de imagem por ultrassom incluindo uma sonda de ultrassom
JP2015512658A (ja) * 2011-12-14 2015-04-30 インターセクション・メディカル・インコーポレイテッドＩｎｔｅｒｓｅｃｔｉｏｎ Ｍｅｄｉｃａｌ，Ｉｎｃ． 組織内の周波数に対する表面下抵抗率の相対的空間変化を決定するためのデバイス、システム及び方法
EP3808259A1 (de) 2012-04-05 2021-04-21 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
US11759268B2 (en) 2012-04-05 2023-09-19 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
ES2811323T3 (es) 2014-02-06 2021-03-11 Bard Inc C R Sistemas para el guiado y la colocación de un dispositivo intravascular
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

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Also Published As

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

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Legal Events

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