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KR900701222A - 초음파 진단 장치 - Google Patents

초음파 진단 장치

Info

Publication number
KR900701222A
KR900701222A KR1019900701323A KR900701323A KR900701222A KR 900701222 A KR900701222 A KR 900701222A KR 1019900701323 A KR1019900701323 A KR 1019900701323A KR 900701323 A KR900701323 A KR 900701323A KR 900701222 A KR900701222 A KR 900701222A
Authority
KR
South Korea
Prior art keywords
flow rate
diagnostic device
converters
ultrasound diagnostic
blood flow
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.)
Granted
Application number
KR1019900701323A
Other languages
English (en)
Other versions
KR920005827B1 (ko
Inventor
케이끼 야마구찌
유이찌 히로다
타카오 지비끼
Original Assignee
챠아루즈·피이·파이파아
요꼬가와 메디칼 시스템 가부시끼가이샤
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 챠아루즈·피이·파이파아, 요꼬가와 메디칼 시스템 가부시끼가이샤 filed Critical 챠아루즈·피이·파이파아
Publication of KR900701222A publication Critical patent/KR900701222A/ko
Application granted granted Critical
Publication of KR920005827B1 publication Critical patent/KR920005827B1/ko
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
    • G01P5/244—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect involving pulsed waves
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • G01S15/8981—Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

내용 없음

Description

초음파 진단 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명의 1실시예를 나타낸 초음파 진단 장치의 구성을 나타낸 블록도이다.

Claims (1)

  1. 피검체(2)로부터 반사하여온 에코를 코우히어런트(Coherent)검파하여 얻어지는 도플러 신호를 디지탈 신호로 변환하는 A/D변환기 (8a), (8b)와, A/D변환기 (8a), (8b)로부터의 도플러 신호에 의하여 피의 흐름속도 및 속도 분산을 산출하는 유속 연산부(9)를 가지며, 이 유속 연산부(9)는 MTI 필터 및 그의 필터의 출력 신호를 처리하여 피의 흐름 속도 및 속도 분산을 산출하는 연산부(14)로써 구성되어, MTI필터(11a),(12a),(11b),(12b) 및 연산부(14)를 디지탈 신호처리 장치(11a), (11b)에 구성한것을 특징으로 하는 초음파 진단장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900701322A 1988-10-20 1989-10-18 벤조티아디아제핀 유도체 Expired KR920005827B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63-264702 1988-10-20
JP273191 1988-10-31
JP63273191A JPH02121642A (ja) 1988-10-31 1988-10-31 超音波診断装置
PCT/JP1989/001128 WO1990004946A1 (fr) 1988-10-31 1989-10-31 Appareil de diagnostic par ultrasons

Publications (2)

Publication Number Publication Date
KR900701222A true KR900701222A (ko) 1990-12-01
KR920005827B1 KR920005827B1 (ko) 1992-07-20

Family

ID=17524369

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019900701322A Expired KR920005827B1 (ko) 1988-10-20 1989-10-18 벤조티아디아제핀 유도체
KR1019900701323A Expired - Fee Related KR930002825B1 (ko) 1988-10-31 1989-10-31 초음파 진단장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1019900701323A Expired - Fee Related KR930002825B1 (ko) 1988-10-31 1989-10-31 초음파 진단장치

Country Status (5)

Country Link
US (1) US5168877A (ko)
EP (1) EP0440796A4 (ko)
JP (1) JPH02121642A (ko)
KR (2) KR920005827B1 (ko)
WO (1) WO1990004946A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269308A (en) * 1991-07-25 1993-12-14 Matsushita Electric Industrial Co., Ltd. Ultrasonic doppler imaging apparatus
US5349960A (en) * 1991-10-01 1994-09-27 Olympus Optical Co., Ltd. Ultrasonic diagnosis apparatus
NO944736D0 (no) * 1994-12-07 1994-12-07 Vingmed Sound As Fremgangsmåte for bestemmelse av blodhastighet
EP0757260B1 (en) * 1995-08-02 2001-09-26 Ge Yokogawa Medical Systems, Ltd. Method of detecting moving velocity of tissue or blood and ultrasonic diagnosing apparatus
US6262749B1 (en) * 1997-12-31 2001-07-17 Acuson Corporation Ultrasonic system and method for data transfer, storage and/or processing
US6171244B1 (en) 1997-12-31 2001-01-09 Acuson Corporation Ultrasonic system and method for storing data
CN1332223C (zh) * 2002-12-11 2007-08-15 中国科学院自动化研究所 基于dsp的多超声传感器数据采集系统
RU2721312C2 (ru) 2016-02-26 2020-05-18 Майкро Моушн, Инк. Электронный измеритель для двух или более измерительных узлов

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103169A (ja) * 1982-12-03 1984-06-14 Matsushita Electric Ind Co Ltd デジタル信号処理装置
JPS60256440A (ja) * 1984-05-31 1985-12-18 株式会社東芝 超音波診断装置
JPS6382634A (ja) * 1986-09-26 1988-04-13 株式会社東芝 超音波血流イメ−ジング装置
JPS63240841A (ja) * 1987-03-30 1988-10-06 株式会社東芝 超音波診断装置
JPS63317137A (ja) * 1987-06-20 1988-12-26 Toshiba Corp 超音波血流イメ−ジング装置
JPH0613031B2 (ja) * 1987-08-12 1994-02-23 株式会社東芝 超音波血流イメ−ジング装置
US4955386A (en) * 1987-11-27 1990-09-11 Hitachi, Ltd. Pulse doppler flow speed meter

Also Published As

Publication number Publication date
KR930002825B1 (ko) 1993-04-10
EP0440796A4 (en) 1991-10-23
KR920005827B1 (ko) 1992-07-20
EP0440796A1 (en) 1991-08-14
JPH02121642A (ja) 1990-05-09
WO1990004946A1 (fr) 1990-05-17
US5168877A (en) 1992-12-08

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