CA2622277A1 - Method and device for determining flow in a blood vessel - Google Patents

Method and device for determining flow in a blood vessel Download PDF

Info

Publication number
CA2622277A1
CA2622277A1 CA002622277A CA2622277A CA2622277A1 CA 2622277 A1 CA2622277 A1 CA 2622277A1 CA 002622277 A CA002622277 A CA 002622277A CA 2622277 A CA2622277 A CA 2622277A CA 2622277 A1 CA2622277 A1 CA 2622277A1
Authority
CA
Canada
Prior art keywords
impedance
determining
blood
blood vessel
flow
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.)
Abandoned
Application number
CA002622277A
Other languages
English (en)
French (fr)
Inventor
Gheorghe Aurel Marie 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
Individual
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 Individual filed Critical Individual
Publication of CA2622277A1 publication Critical patent/CA2622277A1/en
Abandoned 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
    • A61B5/02—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Electromagnetism (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)
CA002622277A 2005-09-15 2006-09-12 Method and device for determining flow in a blood vessel Abandoned CA2622277A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL1029969 2005-09-15
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.
NL1032272 2006-08-03
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
CA2622277A1 true CA2622277A1 (en) 2007-03-22

Family

ID=37726816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002622277A Abandoned CA2622277A1 (en) 2005-09-15 2006-09-12 Method and device for determining flow in a blood vessel

Country Status (11)

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

Families Citing this family (49)

* 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
US7818053B2 (en) 2003-02-21 2010-10-19 Dtherapeutics, Llc Devices, systems and methods for plaque type determination
US8078274B2 (en) 2003-02-21 2011-12-13 Dtherapeutics, Llc Device, system and method for measuring cross-sectional areas in luminal organs
US10413211B2 (en) 2003-02-21 2019-09-17 3Dt Holdings, Llc Systems, devices, and methods for mapping organ profiles
AU2006265763B2 (en) 2005-07-01 2012-08-09 Impedimed Limited Monitoring system
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
WO2007041783A1 (en) 2005-10-11 2007-04-19 Impedance Cardiology Systems, Inc. Hydration status monitoring
US8388546B2 (en) 2006-10-23 2013-03-05 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
US7794407B2 (en) 2006-10-23 2010-09-14 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
EP2148613B9 (en) 2007-04-20 2014-12-10 Impedimed Limited Monitoring system and probe
EP2175776B1 (en) 2007-08-09 2016-03-23 Impedimed Limited Impedance measurement process
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
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
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
EP2992825B1 (en) 2007-11-26 2017-11-01 C.R. Bard Inc. Integrated system 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
EP2224847A4 (en) * 2007-12-28 2013-01-23 Cvrx Inc MEASURE THE PHYSIOLOGICAL PARAMETERS OF A PATIENT
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
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
RU2691318C2 (ru) 2009-06-12 2019-06-11 Бард Аксесс Системс, Инк. Способ позиционирования конца катетера
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
WO2011050393A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
WO2011060497A1 (en) 2009-11-18 2011-05-26 Impedimed Limited Signal distribution for patient-electrode measurements
BR112012019354B1 (pt) 2010-02-02 2021-09-08 C.R.Bard, Inc Método para localização de um dispositivo médico implantável
EP4122385A1 (en) 2010-05-28 2023-01-25 C. R. Bard, Inc. Insertion guidance system for needles and medical components
WO2011150376A1 (en) 2010-05-28 2011-12-01 C.R. Bard, Inc. Apparatus for use with needle insertion guidance system
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
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
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
US11759268B2 (en) 2012-04-05 2023-09-19 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
US10159531B2 (en) 2012-04-05 2018-12-25 C. R. Bard, Inc. Apparatus and methods relating to intravascular positioning of distal end of catheter
CA2864860C (en) 2012-04-05 2020-12-15 Bard Access Systems, Inc. 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
EP3073910B1 (en) 2014-02-06 2020-07-15 C.R. Bard, Inc. Systems 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
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
US12544101B2 (en) 2019-01-30 2026-02-10 Bard Access Systems, Inc. Systems and methods for tracking medical devices

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
RU2131696C1 (ru) * 1997-07-02 1999-06-20 Мажбич Александр Борисович Осциловазометр
RU2134533C1 (ru) * 1997-07-02 1999-08-20 Индивидуальное частное предприятие "Изотерма" Устройство для определения кожного кровотока
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
WO2002026118A2 (en) * 2000-09-29 2002-04-04 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
ATE422328T1 (de) 2009-02-15
JP2009508569A (ja) 2009-03-05
EA011969B1 (ru) 2009-06-30
WO2007032665A2 (en) 2007-03-22
NL1032272C2 (nl) 2007-05-16
AU2006291620A1 (en) 2007-03-22
NL1032272A1 (nl) 2007-03-16
AU2006291620B2 (en) 2012-02-16
EP1933701A2 (en) 2008-06-25
BRPI0616062A2 (pt) 2011-06-07
EA200800826A1 (ru) 2009-06-30
WO2007032665A3 (en) 2007-05-10
DE602006005172D1 (de) 2009-03-26
EP1933701B1 (en) 2009-02-11
US20090209872A1 (en) 2009-08-20

Similar Documents

Publication Publication Date Title
AU2006291620B2 (en) Method and device for determining flow in a blood vessel
EP1315448B1 (en) Device for determining the segmental volume and electrical parallel conductance of a cardiac chamber or blood vessel
US4437469A (en) System for determining characteristics of blood flow
US3996925A (en) System for determining characteristics of blood flow
EP2087836A1 (en) Apparatus and method for determining a physiological parameter
NL8301279A (nl) Werkwijze en inrichting voor het bepalen van de stroomsterkte van het hart van een patient.
Gabe et al. The measurement of input impedance and apparent phase velocity in the human aorta
JP2009508569A5 (https=)
Bennett et al. Maximum accele ration of blood from the left ventricle in patients with is cha emic
WO1998035611A1 (en) Blood vessel cross-sectional area detector and compliance measurement device and method
JP2008264217A (ja) 血液透析評価方法及び血液透析評価装置
WO1982000581A1 (en) Apparatus and method for measuring blood vessel and cardiac characteristics
CN101291617B (zh) 用于确定血管中的流体的设备
US4296754A (en) Method for determining the value of cardiologic quantities and apparatus for performing said method
Brooks et al. Digital filtering of left ventricular heart volume and calculation of aortic valve blood flow
Newman et al. High frequency characteristics of the arterial system
Greenfield Jr et al. Evaluation of the pressure time derivative method for estimating peak blood flow
JP2915343B2 (ja) 血流量測定装置
CN105769192B (zh) 一种冠状动脉斑块的多频三维检测方法
Sobotnicki et al. Evaluation of volumetric parameters of the ventricular assist device using bioimpedance method
RU94834U1 (ru) Реографическая установка для исследования гидродинамических свойств биологических жидкостей
RU2134057C1 (ru) Способ определения рабочего диаметра аорты
RU102482U1 (ru) Реографическая установка для изучения гемодинамических характеристик левого желудочка сердца и аортального клапана
RU103461U1 (ru) Реографическая установка для изучения гемодинамических характеристик легочного кровотока
Waksman et al. Real-time volume measurements in the isolated beating rat heart

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20150224