FR2608417B1 - Debitmetre sanguin a onde continue ultrasonore presentant un effet doppler - Google Patents

Debitmetre sanguin a onde continue ultrasonore presentant un effet doppler

Info

Publication number
FR2608417B1
FR2608417B1 FR878717769A FR8717769A FR2608417B1 FR 2608417 B1 FR2608417 B1 FR 2608417B1 FR 878717769 A FR878717769 A FR 878717769A FR 8717769 A FR8717769 A FR 8717769A FR 2608417 B1 FR2608417 B1 FR 2608417B1
Authority
FR
France
Prior art keywords
blood flow
flow meter
continuous wave
doppler effect
ultrasonic continuous
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
FR878717769A
Other languages
English (en)
Other versions
FR2608417A1 (fr
Inventor
Shin-Ichi Amemiya
Kenji Ishiwata
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2608417A1 publication Critical patent/FR2608417A1/fr
Application granted granted Critical
Publication of FR2608417B1 publication Critical patent/FR2608417B1/fr
Expired 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
FR878717769A 1986-12-18 1987-12-18 Debitmetre sanguin a onde continue ultrasonore presentant un effet doppler Expired FR2608417B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61302178A JPS63154163A (ja) 1986-12-18 1986-12-18 超音波ｃｗドプラ血流計

Publications (2)

Publication Number Publication Date
FR2608417A1 FR2608417A1 (fr) 1988-06-24
FR2608417B1 true FR2608417B1 (fr) 1989-08-25

Family

ID=17905867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878717769A Expired FR2608417B1 (fr) 1986-12-18 1987-12-18 Debitmetre sanguin a onde continue ultrasonore presentant un effet doppler

Country Status (4)

Country Link
US (1) US4866613A (fr)
JP (1) JPS63154163A (fr)
DE (1) DE3742091C2 (fr)
FR (1) FR2608417B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020374A (en) * 1989-11-17 1991-06-04 Ads Environmental Services, Inc. Velocity measurement system
US5198989A (en) * 1980-09-23 1993-03-30 Ads Environmental Services, Inc. Sewer flow measurement control system
US5226328A (en) * 1989-11-17 1993-07-13 Ads Environmental Services, Inc. Velocity measurement system
FR2662348A1 (fr) * 1990-05-22 1991-11-29 Philips Electronique Lab Dispositif de mesure et de visualisation par echographie ultrasonore de debit d'un ecoulement sanguin et de dilatation du vaisseau associe.
US5197477A (en) * 1990-10-12 1993-03-30 Advanced Technology Laboratories, Inc. Ultrasonic doppler flow measurement system with tissue motion discrimination
US5177691A (en) * 1990-11-30 1993-01-05 General Electric Company Measuring velocity of a target by Doppler shift, using improvements in calculating discrete Fourier transform
US5109857A (en) * 1991-03-04 1992-05-05 Duke University Ultrasound time domain velocity detection method and apparatus
US5213104A (en) * 1991-10-24 1993-05-25 Reynolds Charles A Doppler ultrasound monitor system
US5421211A (en) * 1994-10-06 1995-06-06 Marsh - Mcbirney, Inc. Liquid flowmeter including doppler signal processing, and method
US5634465A (en) * 1995-06-09 1997-06-03 Advanced Technology Laboratories, Inc. Continuous display of cardiac blood flow information
US5865749A (en) * 1996-11-07 1999-02-02 Data Sciences International, Inc. Blood flow meter apparatus and method of use
US6626838B2 (en) 1996-11-07 2003-09-30 Transoma Medical, Inc. Blood flow meter apparatus and method of use
US6527722B1 (en) * 2001-12-13 2003-03-04 Koninklijke Philips Electronics N.V. Wide dynamic range continuous wave (CW) Doppler receiver
AUPS335502A0 (en) * 2002-07-03 2002-07-25 Uscom Pty Ltd Pacemaker evaluation method and apparatus
AU2002950611A0 (en) * 2002-08-06 2002-09-12 Uscom Pty Ltd Blood flow analysis system
AU2003900261A0 (en) * 2003-01-22 2003-02-06 Uscom Pty Ltd Method and system for the determination of blood characteristics
US7513873B2 (en) * 2004-10-08 2009-04-07 Supertex, Inc. Low-noise ultrasound method and beamformer system for doppler processing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039980A (en) * 1974-07-30 1977-08-02 Nippon Gakki Seizo Kabushiki Kaisha Voltage-controlled filter
US4540946A (en) * 1980-06-06 1985-09-10 National Research Development Corp. Variable characteristic filters
GB2077557A (en) * 1980-06-06 1981-12-16 Nat Res Dev Variable characteristic filters
US4423488A (en) * 1981-01-09 1983-12-27 Harris Corporation Digital filter employing PROM for storing positive and negative impulse response values
JPS58188433A (ja) * 1982-04-28 1983-11-02 アロカ株式会社 超音波診断装置
JPS5920149A (ja) * 1982-07-28 1984-02-01 富士通株式会社 超音波パルスドプラ血流計
US4770185A (en) * 1983-02-14 1988-09-13 The Board Of Regents Of The University Of Washington Method and apparatus for endoscopic blood flow detection by the use of ultrasonic energy
US4608993A (en) * 1984-07-31 1986-09-02 Quinton Instrument Company Blood flow measurement device and method
JPS6198244A (ja) * 1984-10-19 1986-05-16 横河メディカルシステム株式会社 超音波ドプラ装置
JPH0613029B2 (ja) * 1984-10-29 1994-02-23 オリンパス光学工業株式会社 超音波ドプラ血流測定装置
JPH0651035B2 (ja) * 1985-08-20 1994-07-06 松下電器産業株式会社 超音波パルスドツプラ血流計

Also Published As

Publication number Publication date
JPS63154163A (ja) 1988-06-27
FR2608417A1 (fr) 1988-06-24
DE3742091C2 (de) 1995-05-18
JPH0548128B2 (fr) 1993-07-20
DE3742091A1 (de) 1988-07-07
US4866613A (en) 1989-09-12

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Legal Events

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

Effective date: 20060831