DE69115846D1 - Gerät zur Ermittlung der störungsfreien Blutrückstreuleistung - Google Patents

Gerät zur Ermittlung der störungsfreien Blutrückstreuleistung

Info

Publication number
DE69115846D1
DE69115846D1 DE69115846T DE69115846T DE69115846D1 DE 69115846 D1 DE69115846 D1 DE 69115846D1 DE 69115846 T DE69115846 T DE 69115846T DE 69115846 T DE69115846 T DE 69115846T DE 69115846 D1 DE69115846 D1 DE 69115846D1
Authority
DE
Germany
Prior art keywords
interference
determining
free blood
blood backscattering
performance
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
DE69115846T
Other languages
English (en)
Other versions
DE69115846T2 (de
Inventor
Akira Shiba
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.)
Fukuda Denshi Co 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
Application granted granted Critical
Publication of DE69115846D1 publication Critical patent/DE69115846D1/de
Publication of DE69115846T2 publication Critical patent/DE69115846T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • 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
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE69115846T 1990-09-28 1991-09-27 Gerät zur Ermittlung der störungsfreien Blutrückstreuleistung Expired - Fee Related DE69115846T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2259398A JPH088920B2 (ja) 1990-09-28 1990-09-28 血液散乱パワ用算出装置

Publications (2)

Publication Number Publication Date
DE69115846D1 true DE69115846D1 (de) 1996-02-08
DE69115846T2 DE69115846T2 (de) 1996-06-13

Family

ID=17333582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115846T Expired - Fee Related DE69115846T2 (de) 1990-09-28 1991-09-27 Gerät zur Ermittlung der störungsfreien Blutrückstreuleistung

Country Status (4)

Country Link
US (1) US5243987A (de)
EP (1) EP0483522B1 (de)
JP (1) JPH088920B2 (de)
DE (1) DE69115846T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787977B1 (de) * 1992-09-21 2004-05-06 Institut National De La Sante Et De La Recherche Medicale (Inserm) Intracorporalen Sonde zur genauen Bestimmung der Geschwindigkeit einer Flüssigkeit, insbesondere des Durchflusses durch die Aorta
US5417215A (en) * 1994-02-04 1995-05-23 Long Island Jewish Medical Center Method of tissue characterization by ultrasound
US5544656A (en) * 1994-12-02 1996-08-13 The Regents Of The University Of California Method and apparatus for myocardial wall measurement
US5871447A (en) * 1996-11-07 1999-02-16 Acuson Corporation Doppler energy-related parameters in an ultrasound imaging system
US6146331A (en) * 1998-09-30 2000-11-14 Siemens Medical Systems, Inc. Method for improved clutter suppression for ultrasonic color doppler imaging
US6554774B1 (en) * 2000-03-23 2003-04-29 Tensys Medical, Inc. Method and apparatus for assessing hemodynamic properties within the circulatory system of a living subject
US9389204B2 (en) * 2007-04-13 2016-07-12 Val-Chum, Limited Partnership Method and system of ultrasound scatterer characterization
US8264908B2 (en) * 2009-03-09 2012-09-11 Second Wind Systems, Inc. Method of detecting and compensating for precipitation in sodar systems
JP5459832B2 (ja) * 2009-06-02 2014-04-02 東芝メディカルシステムズ株式会社 超音波診断装置
KR101029407B1 (ko) * 2009-12-02 2011-04-14 (주)메디슨 초음파 컬러 도플러 영상 시스템 및 상기 초음파 컬러 도플러 영상 시스템의 클러터 신호 필터링 방법
KR101390186B1 (ko) * 2010-12-07 2014-04-29 삼성메디슨 주식회사 시간에 따른 혈류 변화를 나타내는 부가 정보를 제공하는 초음파 시스템 및 방법
KR101364528B1 (ko) * 2011-12-27 2014-02-18 삼성메디슨 주식회사 벡터 도플러를 이용하여 대상체의 움직임 정보를 제공하는 초음파 시스템 및 방법
US8915852B2 (en) * 2012-07-06 2014-12-23 Centre Hospitalier De L'universite De Montreal System and method for ultrasound scatterer characterization
CN107949331B (zh) 2016-06-30 2021-04-13 深圳迈瑞生物医疗电子股份有限公司 超声流体频谱多普勒成像方法和系统
JP2022036350A (ja) * 2018-10-30 2022-03-08 京セラ株式会社 流量算出装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371182A1 (fr) * 1976-11-17 1978-06-16 France Etat Detecteur a ultrasons de corpulscules vehicules dans la circulation sanguine
CH610111A5 (de) * 1977-01-13 1979-03-30 Contraves Ag
US4152928A (en) * 1977-05-02 1979-05-08 University Patents, Inc. System for detecting fat particles in blood
ES8207348A1 (es) * 1980-10-14 1982-09-01 Purdue Research Foundation Metodo y su correspondiente dispositivo para detectar impu- rezas en un liquido
US4873984A (en) * 1986-05-30 1989-10-17 Hewlett-Packard Company Techniques for calculating ultrasonic integrated backscatter using frequency or time domain techniques
US4881549A (en) * 1987-05-29 1989-11-21 Marquette Electronics Apparatus and method for obtaining ultrasonic backcatter measurement from tissue
JPH0681616B2 (ja) * 1988-05-26 1994-10-19 淑 中山 超音波診断装置
US4867167A (en) * 1988-06-30 1989-09-19 Hewlett-Packard Company Method and apparatus for determining and displaying the absolute value of quantitative backscatter
JPH069565B2 (ja) * 1988-12-21 1994-02-09 横河メディカルシステム株式会社 カラーフローマッピング方式の超音波診断装置
US4993418A (en) * 1989-01-26 1991-02-19 Minnesota Mining And Manufacturing Company Doppler blood flow system and method using low frequency noise signal processing
JPH02215449A (ja) * 1989-02-16 1990-08-28 Fujitsu Ltd 超音波診断装置

Also Published As

Publication number Publication date
JPH0556970A (ja) 1993-03-09
DE69115846T2 (de) 1996-06-13
EP0483522A1 (de) 1992-05-06
US5243987A (en) 1993-09-14
JPH088920B2 (ja) 1996-01-31
EP0483522B1 (de) 1995-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUKUDA DENSHI CO. LTD., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee