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ES2060352T3 - Metodo y aparato para medir y formar imagenes de la compresibilidad o facilidad de ceder bajo carga de un tejido. - Google Patents

Metodo y aparato para medir y formar imagenes de la compresibilidad o facilidad de ceder bajo carga de un tejido.

Info

Publication number
ES2060352T3
ES2060352T3 ES91901076T ES91901076T ES2060352T3 ES 2060352 T3 ES2060352 T3 ES 2060352T3 ES 91901076 T ES91901076 T ES 91901076T ES 91901076 T ES91901076 T ES 91901076T ES 2060352 T3 ES2060352 T3 ES 2060352T3
Authority
ES
Spain
Prior art keywords
target
eco
transducer
tissue
compressibility
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
ES91901076T
Other languages
English (en)
Inventor
Jonathan Ophir
Youseph Yazdi
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.)
University of Texas System
University of Texas at Austin
Original Assignee
University of Texas System
University of Texas at Austin
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 University of Texas System, University of Texas at Austin filed Critical University of Texas System
Application granted granted Critical
Publication of ES2060352T3 publication Critical patent/ES2060352T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S15/88—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

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

Abstract

SE DESCRIBE UN METODO MEJORADO DE ECO DE IMPULSO ULTRASONICO Y APARATO QUE TIENE UNA APLICACION PARTICULAR EN HACER MEDICIONES DE PRECISION DE COMPRESION EN CUALQUIER MATERIAL DE DISPERSION DE RETORNO, EN PARTICULAR TEJIDO ORGANICO. EL METODO EMPLEA UN TRANSDUCTOR ESTANDAR O DISPOSITIVO QUE CONTENGA UN TRANSDUCTOR, QUE SE TRANSLADA TRANSAXIALMENTE, COMPRIMIENDO DE ESTA FORMA, DESPLAZANDO UNA ZONA PROXIMA O CUERPO OBJETIVO EN PEQUEÑOS INCREMENTOS CONOCIDOS. EN CADA INCREMENTO, SE EMITE UN IMPULSO, Y SE DETECTA UNA SECUENCIA DE ECO (LINEA-A) DESDE ZONAS DENTRO DEL OBJETIVO A LO LARGO DEL CAMINO DE TRAYECTORIA SONICA O RAYO DEL TRANSDUCTOR. EL TIEMPO RESULTANTE EN SEGMENTOS DE ECO CORRESPONDIENTE A CARACTERISTICAS EN EL OBJETIVO PROPORCIONA UNA INFORMACION RELATIVA Y CUANTITATIVA QUE CONCIERNE A LA COMPRESION DEL OBJETIVO.
ES91901076T 1989-11-17 1990-11-16 Metodo y aparato para medir y formar imagenes de la compresibilidad o facilidad de ceder bajo carga de un tejido. Expired - Lifetime ES2060352T3 (es)

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
ES2060352T3 true ES2060352T3 (es) 1994-11-16

Family

ID=27031761

Family Applications (2)

Application Number Title Priority Date Filing Date
ES93115258T Expired - Lifetime ES2107596T3 (es) 1989-11-17 1990-11-16 Aparato para la medicion y la formacion de imagenes de la capacidad de compresion o acomodacion de tejidos.
ES91901076T Expired - Lifetime ES2060352T3 (es) 1989-11-17 1990-11-16 Metodo y aparato para medir y formar imagenes de la compresibilidad o facilidad de ceder bajo carga de un tejido.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES93115258T Expired - Lifetime ES2107596T3 (es) 1989-11-17 1990-11-16 Aparato para la medicion y la formacion de imagenes de la capacidad de compresion o acomodacion de tejidos.

Country Status (10)

Country Link
US (2) US5107837A (es)
EP (2) EP0500801B1 (es)
JP (1) JP3194947B2 (es)
AT (2) ATE158655T1 (es)
AU (1) AU647443B2 (es)
CA (1) CA2068740C (es)
DE (2) DE69011686T2 (es)
DK (2) DK0593921T3 (es)
ES (2) ES2107596T3 (es)
WO (1) WO1991007657A1 (es)

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DE69031502T2 (de) 1998-04-23
EP0500801A1 (en) 1992-09-02
CA2068740A1 (en) 1991-05-18
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ES2107596T3 (es) 1997-12-01
EP0593921A3 (en) 1994-06-15
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DK0593921T3 (da) 1997-10-27
AU647443B2 (en) 1994-03-24
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DE69011686D1 (de) 1994-09-22
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JP3194947B2 (ja) 2001-08-06
US5107837A (en) 1992-04-28
US5178147A (en) 1993-01-12
DK0500801T3 (da) 1994-10-03
ATE110170T1 (de) 1994-09-15
CA2068740C (en) 2002-05-28
EP0500801B1 (en) 1994-08-17
AU6965091A (en) 1991-06-13
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ATE158655T1 (de) 1997-10-15
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