DE69118645D1 - Ultraschall-Doppler-Durchflussmesser mit Diskriminierung der Gewebebewegung - Google Patents

Ultraschall-Doppler-Durchflussmesser mit Diskriminierung der Gewebebewegung

Info

Publication number
DE69118645D1
DE69118645D1 DE69118645T DE69118645T DE69118645D1 DE 69118645 D1 DE69118645 D1 DE 69118645D1 DE 69118645 T DE69118645 T DE 69118645T DE 69118645 T DE69118645 T DE 69118645T DE 69118645 D1 DE69118645 D1 DE 69118645D1
Authority
DE
Germany
Prior art keywords
doppler
signals
signal components
tissue
frequency location
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
DE69118645T
Other languages
English (en)
Other versions
DE69118645T2 (de
Inventor
Roy Beck Peterson
Jeffry E Powers
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.)
Advanced Technology Laboratories Inc
Original Assignee
Advanced Technology Laboratories Inc
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 Advanced Technology Laboratories Inc filed Critical Advanced Technology Laboratories Inc
Application granted granted Critical
Publication of DE69118645D1 publication Critical patent/DE69118645D1/de
Publication of DE69118645T2 publication Critical patent/DE69118645T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • 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
    • G01S15/88—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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Multimedia (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE69118645T 1990-10-12 1991-10-11 Ultraschall-Doppler-Durchflussmesser mit Diskriminierung der Gewebebewegung Expired - Lifetime DE69118645T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/596,838 US5197477A (en) 1990-10-12 1990-10-12 Ultrasonic doppler flow measurement system with tissue motion discrimination

Publications (2)

Publication Number Publication Date
DE69118645D1 true DE69118645D1 (de) 1996-05-15
DE69118645T2 DE69118645T2 (de) 1996-11-28

Family

ID=24388922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118645T Expired - Lifetime DE69118645T2 (de) 1990-10-12 1991-10-11 Ultraschall-Doppler-Durchflussmesser mit Diskriminierung der Gewebebewegung

Country Status (5)

Country Link
US (1) US5197477A (de)
EP (1) EP0481691B1 (de)
JP (2) JPH04256740A (de)
AT (1) ATE136447T1 (de)
DE (1) DE69118645T2 (de)

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US5423318A (en) * 1994-06-23 1995-06-13 Siemens Medical Systems, Inc. Phase aberration corrections utilizing color flow processors
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US5544659A (en) * 1994-12-29 1996-08-13 Siemens Medical Systems, Inc. Ultrasonic doppler imager having a reduced hardware adaptive tissue rejection filter arrangement
US5494037A (en) * 1994-12-29 1996-02-27 Siemens Medical Systems, Inc. Ultrasonic doppler imager having a spatially smoothed control signal for an adaptive tissue rejection filter
US5487389A (en) * 1994-12-29 1996-01-30 Siemens Medical Systems, Inc. Ultrasonic Doppler imager having an adaptive tissue rejection filter with enhanced tissue motion sensitivity
US5664575A (en) * 1994-12-29 1997-09-09 Siemens Medical Systems, Inc. Ultrasonic doppler imager having an adaptive tissue rejection filter with variable parameters
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US5846202A (en) * 1996-07-30 1998-12-08 Acuson Corporation Ultrasound method and system for imaging
JP3946288B2 (ja) * 1996-10-01 2007-07-18 東芝医用システムエンジニアリング株式会社 超音波カラードプラ診断装置および超音波カラードプライメージングの信号処理方法
US6030344A (en) * 1996-12-04 2000-02-29 Acuson Corporation Methods and apparatus for ultrasound image quantification
US6050944A (en) 1997-06-17 2000-04-18 Acuson Corporation Method and apparatus for frequency control of an ultrasound system
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US6023977A (en) * 1997-08-01 2000-02-15 Acuson Corporation Ultrasonic imaging aberration correction system and method
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US5928151A (en) * 1997-08-22 1999-07-27 Acuson Corporation Ultrasonic system and method for harmonic imaging in three dimensions
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US5873830A (en) * 1997-08-22 1999-02-23 Acuson Corporation Ultrasound imaging system and method for improving resolution and operation
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Also Published As

Publication number Publication date
JPH04256740A (ja) 1992-09-11
EP0481691B1 (de) 1996-04-10
EP0481691A1 (de) 1992-04-22
JP2004255213A (ja) 2004-09-16
ATE136447T1 (de) 1996-04-15
US5197477A (en) 1993-03-30
DE69118645T2 (de) 1996-11-28

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