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DE68920354D1 - Nltraschall-Doppler-Blutströmungsgeschwindigkeitsmessgerät und Messverfahren der Blutströmungsgeschwindigkeit. - Google Patents

Nltraschall-Doppler-Blutströmungsgeschwindigkeitsmessgerät und Messverfahren der Blutströmungsgeschwindigkeit.

Info

Publication number
DE68920354D1
DE68920354D1 DE68920354T DE68920354T DE68920354D1 DE 68920354 D1 DE68920354 D1 DE 68920354D1 DE 68920354 T DE68920354 T DE 68920354T DE 68920354 T DE68920354 T DE 68920354T DE 68920354 D1 DE68920354 D1 DE 68920354D1
Authority
DE
Germany
Prior art keywords
flow rate
blood flow
ultrasonic doppler
measuring device
measuring method
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 - Fee Related
Application number
DE68920354T
Other languages
English (en)
Other versions
DE68920354T2 (de
Inventor
Yasuhiro Nakamura
Ikuo Sakai
Masami Kawabuchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE68920354D1 publication Critical patent/DE68920354D1/de
Application granted granted Critical
Publication of DE68920354T2 publication Critical patent/DE68920354T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S15/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets with measures taken for suppressing velocity ambiguities, i.e. anti-aliasing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE68920354T 1988-04-22 1989-04-21 Nltraschall-Doppler-Blutströmungsgeschwindigkeitsmessgerät und Messverfahren der Blutströmungsgeschwindigkeit. Expired - Fee Related DE68920354T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63100739A JPH01270859A (ja) 1988-04-22 1988-04-22 超音波ドップラ血流計および血流速度測定法

Publications (2)

Publication Number Publication Date
DE68920354D1 true DE68920354D1 (de) 1995-02-16
DE68920354T2 DE68920354T2 (de) 1995-05-24

Family

ID=14281934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920354T Expired - Fee Related DE68920354T2 (de) 1988-04-22 1989-04-21 Nltraschall-Doppler-Blutströmungsgeschwindigkeitsmessgerät und Messverfahren der Blutströmungsgeschwindigkeit.

Country Status (4)

Country Link
US (1) US4966153A (de)
EP (1) EP0338592B1 (de)
JP (1) JPH01270859A (de)
DE (1) DE68920354T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226328A (en) * 1989-11-17 1993-07-13 Ads Environmental Services, Inc. Velocity measurement system
ATE118895T1 (de) * 1990-03-23 1995-03-15 Siemens Ag Verfahren und vorrichtung zur vermeidung von mehrdeutigkeiten bei einem pulsdopplergerät.
US5183047A (en) * 1990-05-21 1993-02-02 Kontron Instruments Holdings Nv Doppler flow velocity meter
US5188114A (en) * 1990-10-31 1993-02-23 Hewlett-Packard Company Method and apparatus for elimination of mirroring in signal processing system
JP2615519B2 (ja) * 1990-11-30 1997-05-28 松下電器産業株式会社 超音波ドプラ血流計
US6039692A (en) * 1998-06-19 2000-03-21 Vingmed Sound A/S Method and apparatus for processing ultrasound signals
JP4269623B2 (ja) * 2002-10-07 2009-05-27 株式会社 東北テクノアーチ 血流可視化診断装置
DE102005004331B4 (de) * 2005-01-31 2016-05-04 Robert Bosch Gmbh Verfahren zur Bestimmung der Laufzeit eines Ultraschallsignals eines Ultraschallsensors sowie Ultraschallsensor
CN101161205B (zh) * 2006-10-13 2011-07-06 深圳迈瑞生物医疗电子股份有限公司 多普勒血流声音信号抗混叠的方法及装置
US8142360B2 (en) * 2008-04-17 2012-03-27 Pacesetter, Inc. Enhanced intraluminal flow measurement system using pulsed signals
US8092389B2 (en) * 2008-04-17 2012-01-10 Pacesetter, Inc. Enhanced intraluminal flow measurement system using reference and combined signals
US8147411B2 (en) * 2008-04-17 2012-04-03 Pacesetter, Inc. Enhanced intraluminal flow measurement system using reference and shifted signals
KR102577752B1 (ko) * 2016-02-02 2023-09-12 삼성메디슨 주식회사 대상체의 속도를 출력하는 방법 및 이를 위한 초음파 진단 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2541713C3 (de) * 1975-09-18 1978-03-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gerät zum Erfassen der Geschwindigkeit strömender Medien
US4534357A (en) * 1984-04-19 1985-08-13 Advanced Technology Laboratories, Inc. Multiple demodulation frequency Doppler
US4780837A (en) * 1984-06-23 1988-10-25 Aloka Co., Ltd. Doppler signal frequency converter
CA1246732A (en) * 1984-06-23 1988-12-13 Aloka Co., Ltd. Doppler signal frequency converter
JP2544342B2 (ja) * 1986-01-22 1996-10-16 株式会社日立製作所 超音波ドップラ―診断装置

Also Published As

Publication number Publication date
JPH01270859A (ja) 1989-10-30
EP0338592B1 (de) 1995-01-04
DE68920354T2 (de) 1995-05-24
EP0338592A1 (de) 1989-10-25
US4966153A (en) 1990-10-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee