IL77903A - Method and device for determining an acoustic refractive index distribution in an examination zone - Google Patents

Method and device for determining an acoustic refractive index distribution in an examination zone

Info

Publication number
IL77903A
IL77903A IL77903A IL7790386A IL77903A IL 77903 A IL77903 A IL 77903A IL 77903 A IL77903 A IL 77903A IL 7790386 A IL7790386 A IL 7790386A IL 77903 A IL77903 A IL 77903A
Authority
IL
Israel
Prior art keywords
determining
refractive index
index distribution
examination zone
acoustic refractive
Prior art date
Application number
IL77903A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IL77903A publication Critical patent/IL77903A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0825—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the breast, e.g. mammography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/40—Positioning of patients, e.g. means for holding or immobilising parts of the patient's body
    • A61B8/406—Positioning of patients, e.g. means for holding or immobilising parts of the patient's body using means for diagnosing suspended breasts
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
IL77903A 1985-02-20 1986-02-17 Method and device for determining an acoustic refractive index distribution in an examination zone IL77903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853505764 DE3505764A1 (de) 1985-02-20 1985-02-20 Verfahren zur bestimmung einer schallbrechungsindexverteilung in einem untersuchungsbereich und anordnung zur durchfuehrung des verfahrens

Publications (1)

Publication Number Publication Date
IL77903A true IL77903A (en) 1989-07-31

Family

ID=6262969

Family Applications (1)

Application Number Title Priority Date Filing Date
IL77903A IL77903A (en) 1985-02-20 1986-02-17 Method and device for determining an acoustic refractive index distribution in an examination zone

Country Status (7)

Country Link
US (1) US4669311A (xx)
EP (1) EP0199375B1 (xx)
JP (1) JPS61194354A (xx)
AU (1) AU582515B2 (xx)
CA (1) CA1262959A (xx)
DE (2) DE3505764A1 (xx)
IL (1) IL77903A (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591360B2 (en) * 1986-11-13 1989-11-30 National Aeronautics And Space Administration - Nasa Ultrasonic quantification of a property internal to a living subject
US4823609A (en) * 1988-06-23 1989-04-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ultrasonic method and apparatus for determining crack opening load
JP2759808B2 (ja) * 1988-10-05 1998-05-28 株式会社日立メディコ 超音波診断装置
FR2656425B1 (fr) * 1989-12-21 1992-04-30 Cerib Procede et dispositif de controle non destructif pour des elements en beton.
FR2667155B1 (fr) * 1990-09-24 1993-05-21 Centre Nat Rech Scient Procede et dispositif de la mesure de concentration de au moins deux fluides dans un milieu poreux.
GB9311975D0 (en) * 1993-06-10 1993-07-28 Systems Engineering & Assessme Method and apparatus for ultrasound scanning
US5597200A (en) 1993-11-22 1997-01-28 Amerigon, Inc. Variable temperature seat
DE19530116C2 (de) * 1994-09-14 2000-04-27 Siemens Ag Vorrichtung zum Darstellen von Schallaufzeiten
DE4446719C2 (de) * 1994-12-19 1998-10-29 Ralf Dipl Phys Willenbrock Diffusions-Ultraschall-Computer-Tomograph (DUCT)
US5804133A (en) * 1996-04-23 1998-09-08 Denton; Daniel Webster Motorized cutting torch attachment
US5673697A (en) * 1996-04-24 1997-10-07 Raytheon Company High-resolution three, dimensional ultrasound imaging device
DE19753571A1 (de) * 1997-12-03 1999-06-17 Nguyen Minh Tri Dipl Ing Bildgebendes Ultraschallverfahren und -system zur quantitativen Abbildung von Projektions- und Schnittbildern
US6607489B2 (en) * 2001-04-05 2003-08-19 General Electric Company Focus correction for ultrasound imaging through mammography compression plate
US7806827B2 (en) * 2003-03-11 2010-10-05 General Electric Company Ultrasound breast screening device
US8539624B2 (en) 2006-05-31 2013-09-24 Gentherm Incorporated Structure based fluid distribution system
WO2008057962A2 (en) 2006-11-01 2008-05-15 Amerigon Incorporated Chair with air conditioning device
US10765892B1 (en) * 2017-06-05 2020-09-08 Insightec, Ltd. Systems and methods for optimizing transcranial ultrasound focusing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2827423A1 (de) * 1978-06-22 1980-01-10 Philips Patentverwaltung Verfahren und vorrichtung zur ermittlung der inneren struktur eines koerpers mit hilfe von schallstrahlen
US4598366A (en) * 1982-11-12 1986-07-01 Schlumberger Technology Corporation Diffraction tomography systems and methods with arbitrary source and detector array surfaces
US4594662A (en) * 1982-11-12 1986-06-10 Schlumberger Technology Corporation Diffraction tomography systems and methods with fixed detector arrays

Also Published As

Publication number Publication date
DE3505764A1 (de) 1986-08-21
EP0199375A3 (en) 1986-11-20
CA1262959A (en) 1989-11-14
AU582515B2 (en) 1989-03-23
JPS61194354A (ja) 1986-08-28
AU5382286A (en) 1986-08-28
DE3667202D1 (de) 1990-01-04
US4669311A (en) 1987-06-02
EP0199375B1 (de) 1989-11-29
EP0199375A2 (de) 1986-10-29

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