DK0593921T3 - Anordning til måling samt afbildning af vævssammentrykkelighed eller -eftergivelighed - Google Patents

Anordning til måling samt afbildning af vævssammentrykkelighed eller -eftergivelighed

Info

Publication number
DK0593921T3
DK0593921T3 DK93115258.1T DK93115258T DK0593921T3 DK 0593921 T3 DK0593921 T3 DK 0593921T3 DK 93115258 T DK93115258 T DK 93115258T DK 0593921 T3 DK0593921 T3 DK 0593921T3
Authority
DK
Denmark
Prior art keywords
target
compressibility
transducer
echo
resilience
Prior art date
Application number
DK93115258.1T
Other languages
English (en)
Inventor
Jonathan Ophir
Original Assignee
Univ Texas
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
Priority claimed from US07/438,695 external-priority patent/US5143070A/en
Application filed by Univ Texas filed Critical Univ Texas
Application granted granted Critical
Publication of DK0593921T3 publication Critical patent/DK0593921T3/da

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
    • G01S15/88—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
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8945—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for linear mechanical movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0051—Detecting, measuring or recording by applying mechanical forces or stimuli by applying vibrations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/223—Supports, positioning or alignment in fixed situation
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/50—Processing the detected response signal, e.g. electronic circuits specially adapted therefor using auto-correlation techniques or cross-correlation techniques
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation
    • G01S7/52042—Details of receivers using analysis of echo signal for target characterisation determining elastic properties of the propagation medium or of the reflective target
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0089—Biorheological properties
    • 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
    • G01N2291/02827—Elastic parameters, strength or force
    • 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

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Dermatology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
DK93115258.1T 1989-11-17 1990-11-16 Anordning til måling samt afbildning af vævssammentrykkelighed eller -eftergivelighed DK0593921T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/438,695 US5143070A (en) 1989-11-17 1989-11-17 Transaxial compression technique for sound velocity estimation
US07/535,312 US5107837A (en) 1989-11-17 1990-06-08 Method and apparatus for measurement and imaging of tissue compressibility or compliance

Publications (1)

Publication Number Publication Date
DK0593921T3 true DK0593921T3 (da) 1997-10-27

Family

ID=27031761

Family Applications (2)

Application Number Title Priority Date Filing Date
DK93115258.1T DK0593921T3 (da) 1989-11-17 1990-11-16 Anordning til måling samt afbildning af vævssammentrykkelighed eller -eftergivelighed
DK91901076.9T DK0500801T3 (da) 1989-11-17 1990-11-16 Fremgangsmåde og apparat til måling og bedømmelse af vævs sammentrykkelighed eller eftergivenhed

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK91901076.9T DK0500801T3 (da) 1989-11-17 1990-11-16 Fremgangsmåde og apparat til måling og bedømmelse af vævs sammentrykkelighed eller eftergivenhed

Country Status (10)

Country Link
US (2) US5107837A (da)
EP (2) EP0500801B1 (da)
JP (1) JP3194947B2 (da)
AT (2) ATE110170T1 (da)
AU (1) AU647443B2 (da)
CA (1) CA2068740C (da)
DE (2) DE69031502T2 (da)
DK (2) DK0593921T3 (da)
ES (2) ES2107596T3 (da)
WO (1) WO1991007657A1 (da)

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EP0593921A3 (en) 1994-06-15
EP0500801A1 (en) 1992-09-02
DE69011686D1 (de) 1994-09-22
ATE158655T1 (de) 1997-10-15
US5178147A (en) 1993-01-12
EP0593921B1 (en) 1997-09-24
US5107837A (en) 1992-04-28
DK0500801T3 (da) 1994-10-03
DE69031502T2 (de) 1998-04-23
ES2060352T3 (es) 1994-11-16
DE69031502D1 (de) 1997-10-30
CA2068740C (en) 2002-05-28
AU647443B2 (en) 1994-03-24
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JP3194947B2 (ja) 2001-08-06
DE69011686T2 (de) 1994-12-15
ES2107596T3 (es) 1997-12-01
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JPH05505731A (ja) 1993-08-26
EP0500801B1 (en) 1994-08-17

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