ES8105142A1 - Sistema ultrasonico duplex de formacion de imagen - Google Patents

Sistema ultrasonico duplex de formacion de imagen

Info

Publication number
ES8105142A1
ES8105142A1 ES491112A ES491112A ES8105142A1 ES 8105142 A1 ES8105142 A1 ES 8105142A1 ES 491112 A ES491112 A ES 491112A ES 491112 A ES491112 A ES 491112A ES 8105142 A1 ES8105142 A1 ES 8105142A1
Authority
ES
Spain
Prior art keywords
ultrasound system
directional detection
velocities
blood
blood velocities
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
Application number
ES491112A
Other languages
English (en)
Other versions
ES491112A0 (es
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.)
General Electric Co
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25468184&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8105142(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of ES491112A0 publication Critical patent/ES491112A0/es
Publication of ES8105142A1 publication Critical patent/ES8105142A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • 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
    • A61B8/13—Tomography
    • 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
    • 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
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Hematology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

SISTEMA ULTRASONICO DUPLEX DE FORMACION DE IMAGEN PARA MEDIR LA VELOCIDAD DE CIRCULACION DE LA SANGRE. CONSISTE EN LA MEDICION DE LOS ECOS RECIBIDOS Y SU DEMODULACION COHERENTE EN LOS COMPONENTES EN CUADRATURA Y EN SU TRATAMIENTO EN TIEMPO REAL POR UN CALCULADOR DE TRANSFORMADOS DE FOURIER SE DETECTA Y SE VISUALIZA UNA DISTRIBUCION DE LAS VARIACIONES DE FRECUENCIA DOPPLER Y DE VELOCIDAD BIDIRECCIONALES MEDIANTE UN SISTEMA DUPLEX DE FFORMACION DE IMAGEN CON UN EXPLORADOR DE SECTOR AL QUE SE INCORPORA UNA UNIDAD DOPPLER.
ES491112A 1978-08-23 1980-05-02 Sistema ultrasonico duplex de formacion de imagen Expired ES8105142A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/936,111 US4217909A (en) 1978-08-23 1978-08-23 Directional detection of blood velocities in an ultrasound system

Publications (2)

Publication Number Publication Date
ES491112A0 ES491112A0 (es) 1981-05-16
ES8105142A1 true ES8105142A1 (es) 1981-05-16

Family

ID=25468184

Family Applications (2)

Application Number Title Priority Date Filing Date
ES483605A Expired ES483605A1 (es) 1978-08-23 1979-08-23 Metodo y su correspondiente instrumento utilizando ultraso- nidos para medir la velocidad de circulacion de la sangre - y liquidos similares.
ES491112A Expired ES8105142A1 (es) 1978-08-23 1980-05-02 Sistema ultrasonico duplex de formacion de imagen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES483605A Expired ES483605A1 (es) 1978-08-23 1979-08-23 Metodo y su correspondiente instrumento utilizando ultraso- nidos para medir la velocidad de circulacion de la sangre - y liquidos similares.

Country Status (6)

Country Link
US (1) US4217909A (es)
EP (1) EP0014793B2 (es)
JP (1) JPS5547465A (es)
AU (1) AU525127B2 (es)
DE (1) DE2964540D1 (es)
ES (2) ES483605A1 (es)

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US4265126A (en) * 1979-06-15 1981-05-05 General Electric Company Measurement of true blood velocity by an ultrasound system
US4257278A (en) * 1979-08-24 1981-03-24 General Electric Company Quantitative volume blood flow measurement by an ultrasound imaging system featuring a Doppler modality
JPS56119237A (en) * 1980-02-27 1981-09-18 Tokyo Shibaura Electric Co Urtrasonic diagnosis apparatus
US4339944A (en) * 1980-05-21 1982-07-20 Micro Pure Systems, Inc. Ultrasonic particulate identification
US4391142A (en) * 1980-06-10 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Frequency tracked gated pulse technique for ultrasonic frequency
US4442715A (en) * 1980-10-23 1984-04-17 General Electric Company Variable frequency ultrasonic system
JPS5849137A (ja) * 1981-09-18 1983-03-23 株式会社東芝 超音波血流測定装置
JPS5883942A (ja) * 1981-11-12 1983-05-19 株式会社東芝 超音波パルスドツプラ装置
JPS5897347A (ja) * 1981-12-03 1983-06-09 株式会社東芝 超音波診断装置
JPS58188433A (ja) * 1982-04-28 1983-11-02 アロカ株式会社 超音波診断装置
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US4542657A (en) * 1983-08-26 1985-09-24 General Electric Company Time domain technique to determine mean frequency
FR2554341B1 (fr) * 1983-11-03 1986-03-14 Rabelais Universite Francois Dispositif combine pour former une image tomographique et pour etablir une mesure velocimetrique doppler, au moyen d'ultrasons, notamment pour des examens cardiovasculaires
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FR2564977B1 (fr) * 1984-05-22 1986-09-26 Inst Nat Sante Rech Med Procede et appareil de mesure en temps reel pour la visualisation des vitesses d'ecoulement d'un flux au moyen d'un velocimetre ultrasonore a effet doppler
US4598589A (en) * 1984-07-17 1986-07-08 General Electric Company Method of CW doppler imaging using variably focused ultrasonic transducer array
US4640292A (en) * 1984-08-28 1987-02-03 Hewlett-Packard Company Extending sample volume in pulsed Doppler systems
DE3581335D1 (de) * 1984-08-28 1991-02-21 Hewlett Packard Co Vorrichtung zur messung der geschwindigkeit eines stromes von teilchen.
JPS61100236A (ja) * 1984-10-08 1986-05-19 富士通株式会社 相関検出型超音波血流計
JPS61170442A (ja) * 1985-01-23 1986-08-01 松下電器産業株式会社 超音波ドツプラ血流装置
US4759374A (en) * 1985-05-06 1988-07-26 American Telephone And Telegraph Company And At&T Bell Laboratories Non-invasive blood flow measurements utilizing cardiac cycle synchronization
US4719923A (en) * 1985-05-06 1988-01-19 American Telephone And Telegraph Company, At&T Bell Laboratories Non-invasive blood flow measurements utilizing autoregressive analysis with averaged reflection coefficients
CA1262276C (en) * 1985-05-30 1989-10-10 ANTI-FOLDING CIRCUIT FOR GRADUALLY VARIABLE QUANTITY MEASURING APPARATUS
US4674517A (en) * 1985-08-09 1987-06-23 Lawrence Medical Systems, Inc. Noninvasive ultrasonic probes
US4803990A (en) * 1985-12-03 1989-02-14 U.S. Philips Corporation Examining moving objects by ultrasound echograpy
JPH0165198U (es) * 1987-10-19 1989-04-26
JPH0648954Y2 (ja) * 1988-04-01 1994-12-12 株式会社ピーエフユー 電磁フィルタ複合部品
JPH0793511B2 (ja) * 1989-03-23 1995-10-09 松下電器産業株式会社 高密度回路モジュール
JPH02291847A (ja) * 1989-05-02 1990-12-03 Toshiba Corp 超音波血流計測装置
JPH0614932B2 (ja) * 1989-05-29 1994-03-02 株式会社東芝 超音波診断装置
AU642496B2 (en) * 1990-04-18 1993-10-21 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for determining the velocity of a flowing liquid
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US5375470A (en) * 1990-12-20 1994-12-27 Fujitsu Limited Acoustic imaging system
US5349960A (en) * 1991-10-01 1994-09-27 Olympus Optical Co., Ltd. Ultrasonic diagnosis apparatus
US5291892A (en) * 1991-11-04 1994-03-08 General Electric Company Ultrasonic flow imaging
WO1993008880A1 (en) * 1991-11-07 1993-05-13 Ferrari Importing Co Sports racquet with hybrid stringing arrangement
US5409010A (en) * 1992-05-19 1995-04-25 Board Of Regents Of The University Of Washington Vector doppler medical devices for blood velocity studies
EP0696435A3 (en) * 1994-08-10 1997-03-12 Hewlett Packard Co Ultrasonic probe
JP3514553B2 (ja) * 1995-06-30 2004-03-31 フクダ電子株式会社 超音波診断装置
US5824879A (en) * 1996-10-04 1998-10-20 Rosemount Inc. Method of calibrating an ultrasonic flow meter
US5935074A (en) * 1997-10-06 1999-08-10 General Electric Company Method and apparatus for automatic tracing of Doppler time-velocity waveform envelope
US6066095A (en) * 1998-05-13 2000-05-23 Duke University Ultrasound methods, systems, and computer program products for determining movement of biological tissues
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JP3875581B2 (ja) * 2002-03-18 2007-01-31 独立行政法人科学技術振興機構 超音波診断システム
US7569016B2 (en) * 2003-07-03 2009-08-04 Panasonic Corporation Ultrasonic diagnostic apparatus
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JP7061604B2 (ja) 2016-08-05 2022-04-28 サイモン メディカル アーエス 超音波血流モニタ方法
US11717255B2 (en) 2016-08-05 2023-08-08 Cimon Medical As Ultrasound blood-flow monitoring
CN107233109B (zh) * 2016-12-08 2023-08-08 成都优途科技有限公司 一种多普勒超声血流检测系统及其检测方法
CN107144506B (zh) * 2017-06-21 2023-08-22 华南理工大学 一种基于环状交织阵列的悬浮物动态监测方法与装置
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CN111227867B (zh) * 2020-03-10 2021-01-12 云南大学 一种超声多普勒血流成像方法及系统
CN120345925B (zh) * 2025-06-23 2025-09-19 深圳大学 应用于术中出血监测的可穿戴超声贴片及信号处理方法

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Also Published As

Publication number Publication date
ES483605A1 (es) 1980-09-01
DE2964540D1 (en) 1983-02-24
EP0014793B1 (en) 1983-01-19
EP0014793B2 (en) 1986-10-22
JPS626810B2 (es) 1987-02-13
US4217909A (en) 1980-08-19
EP0014793A1 (en) 1980-09-03
AU4904079A (en) 1980-02-28
AU525127B2 (en) 1982-10-21
ES491112A0 (es) 1981-05-16
JPS5547465A (en) 1980-04-03

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401