FR2356126A1 - Sonde a transducteurs pour catheter - Google Patents

Sonde a transducteurs pour catheter

Info

Publication number
FR2356126A1
FR2356126A1 FR7730729A FR7730729A FR2356126A1 FR 2356126 A1 FR2356126 A1 FR 2356126A1 FR 7730729 A FR7730729 A FR 7730729A FR 7730729 A FR7730729 A FR 7730729A FR 2356126 A1 FR2356126 A1 FR 2356126A1
Authority
FR
France
Prior art keywords
transducer probe
catheter
catheter transducer
flowmeter
transducers
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.)
Withdrawn
Application number
FR7730729A
Other languages
English (en)
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.)
Sutures Inc
Original Assignee
Sutures Inc
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 Sutures Inc filed Critical Sutures Inc
Publication of FR2356126A1 publication Critical patent/FR2356126A1/fr
Withdrawn legal-status Critical Current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
    • A61B8/06—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
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • 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
    • 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
    • G01P5/244—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 involving pulsed waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/588—Velocity or trajectory determination systems; Sense-of-movement determination systems measuring the velocity vector
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Hematology (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

L'invention concerne une sonde à transducteurs pour cathéter. Le débitmètre 10 comprend de façon générale un cathéter 20 muni de deux transducteurs 22A et 22B qui émettent et reçoivent des ondes ultrasonores, un générateur d'impulsions 30, un récepteur 40, et un analyseur de données 50. Application à la mesure du débit sanguin dans un vaisseau d'un patient.
FR7730729A 1976-05-12 1977-10-12 Sonde a transducteurs pour catheter Withdrawn FR2356126A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/685,902 US4142412A (en) 1976-05-12 1976-05-12 Doppler flow meter and method

Publications (1)

Publication Number Publication Date
FR2356126A1 true FR2356126A1 (fr) 1978-01-20

Family

ID=24754144

Family Applications (4)

Application Number Title Priority Date Filing Date
FR7704403A Withdrawn FR2351391A1 (fr) 1976-05-12 1977-02-16 Procede et appareil de mesure de debit
FR7730729A Withdrawn FR2356126A1 (fr) 1976-05-12 1977-10-12 Sonde a transducteurs pour catheter
FR7730728A Withdrawn FR2356143A1 (fr) 1976-05-12 1977-10-12 Procede de mesure de la vitesse effective d'un fluide circulant le long d'un axe choisi dans un conduit
FR7730730A Withdrawn FR2356127A1 (fr) 1976-05-12 1977-10-12 Procede de determination de l'aire de section droite effective d'un conduit dans lequel circule un fluide

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7704403A Withdrawn FR2351391A1 (fr) 1976-05-12 1977-02-16 Procede et appareil de mesure de debit

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR7730728A Withdrawn FR2356143A1 (fr) 1976-05-12 1977-10-12 Procede de mesure de la vitesse effective d'un fluide circulant le long d'un axe choisi dans un conduit
FR7730730A Withdrawn FR2356127A1 (fr) 1976-05-12 1977-10-12 Procede de determination de l'aire de section droite effective d'un conduit dans lequel circule un fluide

Country Status (9)

Country Link
US (1) US4142412A (fr)
JP (1) JPS52137379A (fr)
AU (1) AU2130977A (fr)
CA (1) CA1112351A (fr)
DE (1) DE2703486A1 (fr)
ES (1) ES455269A1 (fr)
FR (4) FR2351391A1 (fr)
GB (2) GB1587151A (fr)
IT (1) IT1212224B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553257A1 (fr) * 1990-10-15 1993-08-04 Echocath Ltd Transducteurs annulaires a ultrasons pour catheter.

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259870A (en) * 1979-02-26 1981-04-07 Howmedica Inc. Doppler method of measuring flow
FR2552652B3 (fr) * 1983-09-29 1985-12-13 Fornage Bruno Perfectionnement aux sondes d'echographie medicale endocavitaire
US4637401A (en) * 1984-11-01 1987-01-20 Johnston G Gilbert Volumetric flow rate determination in conduits not directly accessible
US4674336A (en) * 1984-11-01 1987-06-23 Johnston G Gilbert Volumetric flow rate determination in conduits not directly accessible
US4671295A (en) * 1985-01-15 1987-06-09 Applied Biometrics, Inc. Method for measuring cardiac output
WO1986004225A1 (fr) * 1985-01-15 1986-07-31 Applied Biometrics, Inc. Procede et appareil de mesure de l'ecoulement sanguin arteriel
US4796634A (en) * 1985-08-09 1989-01-10 Lawrence Medical Systems, Inc. Methods and apparatus for monitoring cardiac output
US4690002A (en) * 1986-05-14 1987-09-01 Minnesota Minning And Manufacturing Company Doppler system for measurement of blood flow during cardiopulmonary bypass and ventricular assist
JPS6384521A (ja) * 1986-09-30 1988-04-15 ハウメディカ・インコーポレーテッド 血管形成手術用カテーテル
US4757821A (en) * 1986-11-12 1988-07-19 Corazonix Corporation Omnidirectional ultrasonic probe
AU606811B2 (en) * 1988-08-30 1991-02-14 Spectramed, Inc. Apparatus and method for determining cardiac output by thermodilution without injection
US5109861A (en) * 1989-04-28 1992-05-05 Thomas Jefferson University Intravascular, ultrasonic imaging catheters and methods for making same
US5022399A (en) * 1989-05-10 1991-06-11 Biegeleisen Ken P Venoscope
US5108369A (en) * 1990-03-15 1992-04-28 Diagnostic Devices Group, Limited Dual-diameter multifunction catheter
US5324255A (en) * 1991-01-11 1994-06-28 Baxter International Inc. Angioplasty and ablative devices having onboard ultrasound components and devices and methods for utilizing ultrasound to treat or prevent vasopasm
US5380274A (en) * 1991-01-11 1995-01-10 Baxter International Inc. Ultrasound transmission member having improved longitudinal transmission properties
US5368557A (en) * 1991-01-11 1994-11-29 Baxter International Inc. Ultrasonic ablation catheter device having multiple ultrasound transmission members
US5267954A (en) * 1991-01-11 1993-12-07 Baxter International Inc. Ultra-sound catheter for removing obstructions from tubular anatomical structures such as blood vessels
US5405318A (en) * 1992-05-05 1995-04-11 Baxter International Inc. Ultra-sound catheter for removing obstructions from tubular anatomical structures such as blood vessels
US5957882A (en) 1991-01-11 1999-09-28 Advanced Cardiovascular Systems, Inc. Ultrasound devices for ablating and removing obstructive matter from anatomical passageways and blood vessels
US5304115A (en) * 1991-01-11 1994-04-19 Baxter International Inc. Ultrasonic angioplasty device incorporating improved transmission member and ablation probe
US5368558A (en) * 1991-01-11 1994-11-29 Baxter International Inc. Ultrasonic ablation catheter device having endoscopic component and method of using same
JPH05111485A (ja) * 1991-10-23 1993-05-07 Aloka Co Ltd 超音波ドプラ血流速度測定装置
WO1993008750A2 (fr) * 1991-11-04 1993-05-13 Baxter International Inc. Dispositif d'ablation ultrasonique adapte pour le passage d'un fil de guidage
US5325860A (en) * 1991-11-08 1994-07-05 Mayo Foundation For Medical Education And Research Ultrasonic and interventional catheter and method
DE69233494T2 (de) * 1991-11-08 2006-02-16 Mayo Foundation For Medical Education And Research, Rochester Haemodynamischer Ultraschallkatheter
GB2263974B (en) * 1992-01-30 1995-11-08 Intravascular Res Ltd Ultrasound imaging and catheters for use therein
US5382228A (en) * 1992-07-09 1995-01-17 Baxter International Inc. Method and device for connecting ultrasound transmission member (S) to an ultrasound generating device
US5417672A (en) * 1993-10-04 1995-05-23 Baxter International Inc. Connector for coupling an ultrasound transducer to an ultrasound catheter
US5427118A (en) * 1993-10-04 1995-06-27 Baxter International Inc. Ultrasonic guidewire
US5390678A (en) * 1993-10-12 1995-02-21 Baxter International Inc. Method and device for measuring ultrasonic activity in an ultrasound delivery system
US5488953A (en) * 1994-04-15 1996-02-06 Ecocath, Inc. Diffracting doppler-transducer
US5540230A (en) * 1994-04-15 1996-07-30 Echocath, Inc. Diffracting doppler-transducer
US6689086B1 (en) 1994-10-27 2004-02-10 Advanced Cardiovascular Systems, Inc. Method of using a catheter for delivery of ultrasonic energy and medicament
DE59707955D1 (de) * 1996-09-06 2002-09-19 Cardiometrics Inc Verfahren und Vorrichtung zur Bestimmung der wahren durchschnittlichen Spitzengeschwindigkeit
GB2318414B (en) 1996-10-19 2001-02-14 Univ Cranfield Improvements relating to flow measurement
US6293914B1 (en) 1998-08-31 2001-09-25 Acuson Corporation Ultrasonic system and method for measurement of fluid flow
US20040097996A1 (en) * 1999-10-05 2004-05-20 Omnisonics Medical Technologies, Inc. Apparatus and method of removing occlusions using an ultrasonic medical device operating in a transverse mode
DE10012395B4 (de) * 2000-03-15 2010-04-29 Abb Research Ltd. Durchflussmesser
WO2002013688A2 (fr) * 2000-08-16 2002-02-21 Cook Vascular Incorporated Sonde doppler possedant une partie modelable
JP2003010182A (ja) * 2001-06-19 2003-01-14 Ge Medical Systems Global Technology Co Llc 超音波撮影方法および超音波撮影装置
US7066895B2 (en) * 2003-06-30 2006-06-27 Ethicon, Inc. Ultrasonic radial focused transducer for pulmonary vein ablation
US20090043208A1 (en) * 2007-08-10 2009-02-12 Norwegian University Of Science And Technology Methods and devices for estimating blood flow characteristics
US7856335B2 (en) * 2008-01-25 2010-12-21 Micromed Technology, Inc. Device, method, and system for calibration of a flow meter used in conjunction with a ventricular assist device
US8181536B2 (en) * 2009-12-19 2012-05-22 Cameron International Corporation Ultrasonic Flow Meter including a transducer having conical face
KR101398467B1 (ko) * 2011-12-27 2014-05-27 삼성메디슨 주식회사 벡터 도플러를 이용하여 벡터 정보를 검출하는 초음파 시스템 및 방법
KR101390187B1 (ko) * 2011-12-28 2014-04-29 삼성메디슨 주식회사 파티클 플로우 영상을 제공하는 초음파 시스템 및 방법
WO2018031714A1 (fr) 2016-08-11 2018-02-15 Foundry Innovation & Research 1, Ltd. Systèmes et procédés de gestion des fluides chez un patient
CA2976465A1 (fr) 2015-02-12 2016-08-18 Foundry Innovation & Research 1, Ltd. Dispositifs implantables et procedes associes destines a la surveillance d'une insuffisance cardiaque
WO2017024051A1 (fr) 2015-08-03 2017-02-09 Foundry Innovation & Research 1, Ltd. Dispositifs et procédés de mesure de dimensions, de pression et de saturation en oxygène de veine cave
US11701018B2 (en) 2016-08-11 2023-07-18 Foundry Innovation & Research 1, Ltd. Wireless resonant circuit and variable inductance vascular monitoring implants and anchoring structures therefore
US11206992B2 (en) 2016-08-11 2021-12-28 Foundry Innovation & Research 1, Ltd. Wireless resonant circuit and variable inductance vascular monitoring implants and anchoring structures therefore
US11779238B2 (en) 2017-05-31 2023-10-10 Foundry Innovation & Research 1, Ltd. Implantable sensors for vascular monitoring
WO2018220143A1 (fr) 2017-05-31 2018-12-06 Foundry Innovation And Research 1, Ltd Capteur vasculaire ultrasonore implantable
EP3643245A1 (fr) * 2018-10-25 2020-04-29 Koninklijke Philips N.V. Dispositif intravasculaire

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855526A (en) * 1955-10-24 1958-10-07 Aeroprojects Inc Apparatus for generating ultrasonic energy of high intensity
DE1207242B (de) * 1961-04-22 1965-12-16 Atlas Werke Ag Elektroakustischer Wandler, insbesondere fuer die Echolottechnik
US3302163A (en) * 1965-08-31 1967-01-31 Jr Daniel E Andrews Broad band acoustic transducer
FR1492550A (fr) * 1966-09-13 1967-08-18 Westinghouse Electric Corp Transducteur acoustique
US3421137A (en) * 1966-02-23 1969-01-07 Us Navy Echo repeater and/or target simulator
US3532182A (en) * 1968-07-12 1970-10-06 Us Navy Acoustic impulse source with directional baffle
US3987673A (en) * 1974-01-03 1976-10-26 National Research Development Corporation Ultrasonic transducer devices

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770795A (en) * 1951-03-30 1956-11-13 Raytheon Mfg Co Acoustic log
US3028752A (en) * 1959-06-02 1962-04-10 Curtiss Wright Corp Ultrasonic testing apparatus
DE1798104C3 (de) * 1968-08-22 1973-10-31 Siemens Ag, 1000 Berlin U. 8000 Muenchen Gerät für die Messung der Geschwindigkeit von in Leitungen strö menden Medien
DE1816255C3 (de) * 1968-12-21 1973-11-22 Hoesch Werke Ag, 4600 Dortmund Verfahren zur zerstörungsfreien Prüfung von Schweißnahten mittels Ultra schallenergie
US3703652A (en) * 1970-02-25 1972-11-21 Mitsubishi Electric Corp Electroacoustic transducer
DE1758104A1 (fr) * 1972-01-10
US3783967A (en) * 1972-02-24 1974-01-08 Us Health Focusing protective enclosure for ultrasonic transducer
AT343265B (de) * 1973-08-16 1978-05-26 Siemens Ag Gerat fur die messung der geschwindigkeit von insbesondere in leitungen stromenden medien
DE2461264C3 (de) * 1974-12-23 1978-06-01 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorrichtung für die Messung des Volumenstroms strömender Medien
US4067236A (en) * 1975-11-10 1978-01-10 Univ Leland Stanford Junior Method and system for unambiguous method of volume flow

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855526A (en) * 1955-10-24 1958-10-07 Aeroprojects Inc Apparatus for generating ultrasonic energy of high intensity
DE1207242B (de) * 1961-04-22 1965-12-16 Atlas Werke Ag Elektroakustischer Wandler, insbesondere fuer die Echolottechnik
US3302163A (en) * 1965-08-31 1967-01-31 Jr Daniel E Andrews Broad band acoustic transducer
US3421137A (en) * 1966-02-23 1969-01-07 Us Navy Echo repeater and/or target simulator
FR1492550A (fr) * 1966-09-13 1967-08-18 Westinghouse Electric Corp Transducteur acoustique
US3532182A (en) * 1968-07-12 1970-10-06 Us Navy Acoustic impulse source with directional baffle
US3987673A (en) * 1974-01-03 1976-10-26 National Research Development Corporation Ultrasonic transducer devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553257A1 (fr) * 1990-10-15 1993-08-04 Echocath Ltd Transducteurs annulaires a ultrasons pour catheter.
EP0553257A4 (fr) * 1990-10-15 1994-03-30 Echocath, Ltd.

Also Published As

Publication number Publication date
FR2351391A1 (fr) 1977-12-09
IT1212224B (it) 1989-11-22
CA1112351A (fr) 1981-11-10
JPS52137379A (en) 1977-11-16
ES455269A1 (es) 1978-01-01
AU2130977A (en) 1978-07-20
US4142412A (en) 1979-03-06
GB1587152A (en) 1981-04-01
FR2356127A1 (fr) 1978-01-20
DE2703486A1 (de) 1977-12-01
FR2356143A1 (fr) 1978-01-20
GB1587151A (en) 1981-04-01

Similar Documents

Publication Publication Date Title
FR2356126A1 (fr) Sonde a transducteurs pour catheter
Vatner et al. Simultaneous comparison and calibration of the Doppler and electromagnetic flowmeters
US2658505A (en) Arterial pulse wave velocity meter
Hokanson et al. A phase-locked echo tracking system for recording arterial diameter changes in vivo.
Mills et al. A catheter tip electromagnetic velocity probe and its evaluation
US3568661A (en) Frequency modulated ultrasound technique for measurement of fluid velocity
US4383533A (en) Apparatus for determining changes in limb volume
FR2445545A1 (fr) Balayage electronique pour l'exploration sismique
JPS627856B2 (fr)
KR830003200A (ko) 심장혈관 질환의 기록, 조절 및 조기(早期) 발견용 장치
FR2316608A1 (fr) Sonde d'application a ultrasons pour l'exploration de corps au moyen des ultrasons
FR2402376B1 (fr) Transducteur ultrasonore et appareil de detection d'un niveau de liquide
FR2316607A1 (fr) Sonde d'application a ultrasons pour exploration de corps au moyen des ultrasons
ES489802A1 (es) Perfeccionamientos en dispositivos para la medicion no inva-siva de la velocidad del flujo sanguineo
FR2395535A1 (fr) Procede et appareil d'imagerie par reflexion d'ultrasons
US5579771A (en) Method of and apparatus for the detection and characterization of a segment of an artery by ultrasonic echography
US3732532A (en) Ultrasonic doppler instrument
US5107840A (en) Device for measuring and displaying of ultrasonic echography the flow rate of a blood flow and the dilation of the associated vessel
FR2318403A1 (fr) Dispositif generateur de signaux, notamment pour l'exploration par ultrasons du corps des patients au cours d'examens medicaux
O'Rourke Impact pressure, lateral pressure, and impedance in the proximal aorta and pulmonary artery.
Hamlet et al. Transmission of ultrasound through the larynx as a means of determining vocal-fold activity
Gessner et al. Methods of determining the distensibility of blood vessels
Baker et al. Some engineering aspects of modern cardiac research
GB1300160A (en) Improvements in and relating to ultrasonic devices for use in measuring displacements
KR840002100B1 (ko) 초음파 진단장치

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse