DE68912414D1 - Ultraschallgerät zur Messung der Blutstromgeschwindigkeit. - Google Patents

Ultraschallgerät zur Messung der Blutstromgeschwindigkeit.

Info

Publication number
DE68912414D1
DE68912414D1 DE89110830T DE68912414T DE68912414D1 DE 68912414 D1 DE68912414 D1 DE 68912414D1 DE 89110830 T DE89110830 T DE 89110830T DE 68912414 T DE68912414 T DE 68912414T DE 68912414 D1 DE68912414 D1 DE 68912414D1
Authority
DE
Germany
Prior art keywords
flow velocity
blood flow
ultrasound device
measuring blood
measuring
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
DE89110830T
Other languages
English (en)
Other versions
DE68912414T2 (de
Inventor
Yasuhiro Nakamura
Ikuo Pashimonzu Minami I 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
Application granted granted Critical
Publication of DE68912414D1 publication Critical patent/DE68912414D1/de
Publication of DE68912414T2 publication Critical patent/DE68912414T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S15/02—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
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • 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
    • G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
DE89110830T 1988-06-15 1989-06-14 Ultraschallgerät zur Messung der Blutstromgeschwindigkeit. Expired - Fee Related DE68912414T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63147460A JP2553635B2 (ja) 1988-06-15 1988-06-15 超音波ドップラ血流計

Publications (2)

Publication Number Publication Date
DE68912414D1 true DE68912414D1 (de) 1994-03-03
DE68912414T2 DE68912414T2 (de) 1994-05-11

Family

ID=15430870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89110830T Expired - Fee Related DE68912414T2 (de) 1988-06-15 1989-06-14 Ultraschallgerät zur Messung der Blutstromgeschwindigkeit.

Country Status (4)

Country Link
US (1) US5031628A (de)
EP (1) EP0346890B1 (de)
JP (1) JP2553635B2 (de)
DE (1) DE68912414T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0341385A (ja) * 1988-09-30 1991-02-21 Shigeo Otsuki 基準推定ドプラ速度測定方法及び装置
JP2772045B2 (ja) * 1989-07-06 1998-07-02 株式会社東芝 超音波診断装置
US5226328A (en) * 1989-11-17 1993-07-13 Ads Environmental Services, Inc. Velocity measurement system
FR2655260A1 (fr) * 1989-12-01 1991-06-07 Philips Electronique Lab Dispositif de mesure et de visualisation par echographie ultrasonore de parametres physiologiques d'un ecoulement sanguin.
DE4134724C2 (de) * 1990-10-24 1995-11-16 Hitachi Medical Corp Einrichtung zur farbigen Strömungsaufzeichnung mit Ultraschall
US5431169A (en) * 1992-08-03 1995-07-11 Olympus Optical Co., Ltd. Ultrasonic diagnosing apparatus
US5315880A (en) * 1992-08-13 1994-05-31 Henry Filters, Inc. Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals
US20090240148A1 (en) * 2008-03-19 2009-09-24 University Of Southern California Ultrasonic apparatus and method for real-time simultaneous therapy and diagnosis

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5871417A (ja) * 1981-10-23 1983-04-28 Toshiba Corp 超音波パルスドプラ血流計測装置
JPS5897347A (ja) * 1981-12-03 1983-06-09 株式会社東芝 超音波診断装置
CA1246732A (en) * 1984-06-23 1988-12-13 Aloka Co., Ltd. Doppler signal frequency converter
JPS6129770A (ja) * 1984-07-20 1986-02-10 Yokogawa Medical Syst Ltd ドプラ信号分析装置
JPH0693890B2 (ja) * 1985-04-30 1994-11-24 株式会社東芝 超音波診断装置
EP0202920B1 (de) * 1985-05-20 1994-03-09 Matsushita Electric Industrial Co., Ltd. Blutgeschwindigkeitsmesser nach dem Ultraschall-Doppler-Prinzip

Also Published As

Publication number Publication date
EP0346890B1 (de) 1994-01-19
DE68912414T2 (de) 1994-05-11
JP2553635B2 (ja) 1996-11-13
US5031628A (en) 1991-07-16
JPH01314552A (ja) 1989-12-19
EP0346890A1 (de) 1989-12-20

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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