FI892282A - Ultraljudsdensitometeranordning och -foerfarande. - Google Patents

Ultraljudsdensitometeranordning och -foerfarande. Download PDF

Info

Publication number
FI892282A
FI892282A FI892282A FI892282A FI892282A FI 892282 A FI892282 A FI 892282A FI 892282 A FI892282 A FI 892282A FI 892282 A FI892282 A FI 892282A FI 892282 A FI892282 A FI 892282A
Authority
FI
Finland
Prior art keywords
ultraljudsdensitometeranordning
foerfarande
och
ultraljudsdensitometeranordning och
Prior art date
Application number
FI892282A
Other languages
English (en)
Other versions
FI892282A0 (fi
Inventor
Phillip J Rossman
Scott A Wiener
Original Assignee
Lunar Radiation 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 Lunar Radiation Inc filed Critical Lunar Radiation Inc
Publication of FI892282A0 publication Critical patent/FI892282A0/fi
Publication of FI892282A publication Critical patent/FI892282A/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic 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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • 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
    • A61B8/0875—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of bone
    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation 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
    • G01N29/24—Probes
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • 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
    • G01N2291/024—Mixtures
    • G01N2291/02483—Other human or animal parts, e.g. bones
    • 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
    • G01N2291/106—Number of transducers one or more transducer arrays

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Rheumatology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
FI892282A 1988-05-11 1989-05-11 Ultraljudsdensitometeranordning och -foerfarande. FI892282A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/193,295 US4930511A (en) 1988-05-11 1988-05-11 Ultrasonic densitometer device and method

Publications (2)

Publication Number Publication Date
FI892282A0 FI892282A0 (fi) 1989-05-11
FI892282A true FI892282A (fi) 1989-11-12

Family

ID=22713031

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892282A FI892282A (fi) 1988-05-11 1989-05-11 Ultraljudsdensitometeranordning och -foerfarande.

Country Status (9)

Country Link
US (1) US4930511A (fi)
EP (4) EP0721765B1 (fi)
JP (1) JP2885377B2 (fi)
KR (1) KR0149847B1 (fi)
AU (1) AU609686B2 (fi)
CA (1) CA1323090C (fi)
DE (2) DE68929055T2 (fi)
FI (1) FI892282A (fi)
IL (1) IL90263A (fi)

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Also Published As

Publication number Publication date
EP0721765A2 (en) 1996-07-17
DE68929239D1 (de) 2000-09-14
EP0920832A3 (de) 1999-07-21
JPH02104337A (ja) 1990-04-17
FI892282A0 (fi) 1989-05-11
CA1323090C (en) 1993-10-12
KR890017532A (ko) 1989-12-16
EP0341969A3 (en) 1990-09-12
EP0721765A3 (fi) 1996-07-31
DE68929055D1 (de) 1999-09-16
AU3467289A (en) 1989-11-23
AU609686B2 (en) 1991-05-02
EP0728443A3 (en) 1996-10-23
EP0920832A2 (en) 1999-06-09
KR0149847B1 (ko) 1999-03-30
IL90263A0 (en) 1989-12-15
US4930511A (en) 1990-06-05
DE68929055T2 (de) 2000-01-27
JP2885377B2 (ja) 1999-04-19
EP0721765B1 (en) 1999-08-11
EP0728443B1 (en) 2000-08-09
EP0341969A2 (en) 1989-11-15
EP0728443A2 (en) 1996-08-28
IL90263A (en) 1997-04-15
DE68929239T2 (de) 2001-01-25

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Owner name: LUNAR RADIATION CORPORATION