JPH0548128B2 - - Google Patents

Info

Publication number
JPH0548128B2
JPH0548128B2 JP61302178A JP30217886A JPH0548128B2 JP H0548128 B2 JPH0548128 B2 JP H0548128B2 JP 61302178 A JP61302178 A JP 61302178A JP 30217886 A JP30217886 A JP 30217886A JP H0548128 B2 JPH0548128 B2 JP H0548128B2
Authority
JP
Japan
Prior art keywords
doppler
frequency
pass filter
blood flow
low
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
JP61302178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63154163A (ja
Inventor
Shinichi Amamya
Kenji Ishiwatari
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
Priority to JP61302178A priority Critical patent/JPS63154163A/ja
Priority to US07/129,846 priority patent/US4866613A/en
Priority to DE3742091A priority patent/DE3742091C2/de
Priority to FR878717769A priority patent/FR2608417B1/fr
Publication of JPS63154163A publication Critical patent/JPS63154163A/ja
Publication of JPH0548128B2 publication Critical patent/JPH0548128B2/ja
Granted 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)
JP61302178A 1986-12-18 1986-12-18 超音波ｃｗドプラ血流計 Granted JPS63154163A (ja)

Priority Applications (4)

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
US07/129,846 US4866613A (en) 1986-12-18 1987-12-08 Ultrasonic continuous wave blood flowmeter using Doppler effect analysis
DE3742091A DE3742091C2 (de) 1986-12-18 1987-12-11 Ultraschall-Dopplereffekt-Blutflußmesser mit kontinuierlichen Wellen
FR878717769A FR2608417B1 (fr) 1986-12-18 1987-12-18 Debitmetre sanguin a onde continue ultrasonore presentant un effet doppler

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
JPS63154163A JPS63154163A (ja) 1988-06-27
JPH0548128B2 true JPH0548128B2 (enEXAMPLES) 1993-07-20

Family

ID=17905867

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198989A (en) * 1980-09-23 1993-03-30 Ads Environmental Services, Inc. Sewer flow measurement control system
US5020374A (en) * 1989-11-17 1991-06-04 Ads Environmental Services, Inc. Velocity measurement 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
CN119178974B (zh) * 2024-11-26 2025-03-07 山东欧德利电气设备有限公司 一种输配电在线绝缘检测方法及系统

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
FR2608417B1 (fr) 1989-08-25
FR2608417A1 (fr) 1988-06-24
DE3742091A1 (de) 1988-07-07
US4866613A (en) 1989-09-12
DE3742091C2 (de) 1995-05-18

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