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
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) EP0595666B1 (de)
AT (2) ATE265823T1 (de)
DE (2) DE69327147T2 (de)

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Also Published As

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

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