DE69327147D1 - Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit - Google Patents

Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit

Info

Publication number
DE69327147D1
DE69327147D1 DE69327147T DE69327147T DE69327147D1 DE 69327147 D1 DE69327147 D1 DE 69327147D1 DE 69327147 T DE69327147 T DE 69327147T DE 69327147 T DE69327147 T DE 69327147T DE 69327147 D1 DE69327147 D1 DE 69327147D1
Authority
DE
Germany
Prior art keywords
wide
transducer
probe
speed
liquid
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.)
Expired - Lifetime
Application number
DE69327147T
Other languages
English (en)
Other versions
DE69327147T2 (de
Inventor
Dominique Cathignol
Lavandier
Raoul Muchada
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.)
Institut National de la Sante et de la Recherche Medicale INSERM
Original Assignee
Institut National de la Sante et de la Recherche Medicale INSERM
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
Priority claimed from FR9211425A external-priority patent/FR2695999B1/fr
Application filed by Institut National de la Sante et de la Recherche Medicale INSERM filed Critical Institut National de la Sante et de la Recherche Medicale INSERM
Publication of DE69327147D1 publication Critical patent/DE69327147D1/de
Application granted granted Critical
Publication of DE69327147T2 publication Critical patent/DE69327147T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Hematology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Volume Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
DE69327147T 1992-09-21 1993-09-20 Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit Expired - Lifetime DE69327147T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9211425A FR2695999B1 (fr) 1992-09-21 1992-09-21 Sonde ultrasonore pour déterminer avec précision la vitesse d'un liquide et, en particulier, le débit aortique.
US6490093A 1993-05-24 1993-05-24

Publications (2)

Publication Number Publication Date
DE69327147D1 true DE69327147D1 (de) 2000-01-05
DE69327147T2 DE69327147T2 (de) 2000-06-15

Family

ID=26229746

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69327147T Expired - Lifetime DE69327147T2 (de) 1992-09-21 1993-09-20 Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit
DE1993633503 Expired - Lifetime DE69333503T2 (de) 1992-09-21 1993-09-20 Intracorporale sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1993633503 Expired - Lifetime DE69333503T2 (de) 1992-09-21 1993-09-20 Intracorporale sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta

Country Status (4)

Country Link
US (1) US5479928A (de)
EP (2) EP0787977B1 (de)
AT (2) ATE265823T1 (de)
DE (2) DE69327147T2 (de)

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FR2799633B1 (fr) * 1999-10-14 2002-03-22 Sometec Procede et dispositif d'amelioration de la precision de mesure d'une vitesse d'un fluide
US6793634B2 (en) 1998-10-23 2004-09-21 Scimed Life Systems, Inc. System and method for intraluminal imaging
FR2790942B1 (fr) 1999-03-17 2001-11-30 Sometec Dispositif de protection d'une enveloppe, utilisation d'un dispositif de protection d'une enveloppe, procede de montage d'une enveloppe sur une sonde et procede de realisation d'un dispositif de protection d'une enveloppe
US6471655B1 (en) 1999-06-29 2002-10-29 Vitalwave Corporation Method and apparatus for the noninvasive determination of arterial blood pressure
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KR101387454B1 (ko) 2005-08-09 2014-04-22 더 제너럴 하스피탈 코포레이션 광간섭 단층촬영법에서 편광 기반 직교 복조를 수행하기위한 장치, 방법 및 저장 매체
US8145018B2 (en) 2006-01-19 2012-03-27 The General Hospital Corporation Apparatus for obtaining information for a structure using spectrally-encoded endoscopy techniques and methods for producing one or more optical arrangements
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US9557154B2 (en) 2010-05-25 2017-01-31 The General Hospital Corporation Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions
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US9585633B2 (en) 2010-08-31 2017-03-07 Uti Limited Partnership Methods and apparatuses for monitoring gastroesophageal reflux volume with ultrasonic catheter
JP5883018B2 (ja) 2010-10-27 2016-03-09 ザ ジェネラル ホスピタル コーポレイション 少なくとも１つの血管内部の血圧を測定するための装置、システム、および方法
JP2014523536A (ja) 2011-07-19 2014-09-11 ザ ジェネラル ホスピタル コーポレイション 光コヒーレンストモグラフィーにおいて偏波モード分散補償を提供するためのシステム、方法、装置およびコンピュータアクセス可能な媒体
US9341783B2 (en) 2011-10-18 2016-05-17 The General Hospital Corporation Apparatus and methods for producing and/or providing recirculating optical delay(s)
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Also Published As

Publication number Publication date
EP0595666A2 (de) 1994-05-04
US5479928A (en) 1996-01-02
DE69333503D1 (de) 2004-06-09
EP0595666A3 (de) 1994-08-10
ATE187051T1 (de) 1999-12-15
EP0595666B1 (de) 1999-12-01
EP0787977B1 (de) 2004-05-06
DE69333503T2 (de) 2004-11-18
DE69327147T2 (de) 2000-06-15
EP0787977A2 (de) 1997-08-06
ATE265823T1 (de) 2004-05-15
EP0787977A3 (de) 1998-01-07

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