IL90263A - Ultrasonic densitometer device and method for its use - Google Patents

Ultrasonic densitometer device and method for its use

Info

Publication number
IL90263A
IL90263A IL90263A IL9026389A IL90263A IL 90263 A IL90263 A IL 90263A IL 90263 A IL90263 A IL 90263A IL 9026389 A IL9026389 A IL 9026389A IL 90263 A IL90263 A IL 90263A
Authority
IL
Israel
Prior art keywords
path
transit time
acoustic signal
standard material
transit
Prior art date
Application number
IL90263A
Other languages
English (en)
Other versions
IL90263A0 (en
Original Assignee
Lunar Corp
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 Corp filed Critical Lunar Corp
Priority to IL11198089A priority Critical patent/IL111980A/xx
Publication of IL90263A0 publication Critical patent/IL90263A0/xx
Publication of IL90263A publication Critical patent/IL90263A/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
    • 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)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (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)
IL90263A 1988-05-11 1989-05-11 Ultrasonic densitometer device and method for its use IL90263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IL11198089A IL111980A (en) 1988-05-11 1989-05-11 Ultrasonic densitometer device

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
IL90263A0 IL90263A0 (en) 1989-12-15
IL90263A true IL90263A (en) 1997-04-15

Family

ID=22713031

Family Applications (1)

Application Number Title Priority Date Filing Date
IL90263A IL90263A (en) 1988-05-11 1989-05-11 Ultrasonic densitometer device and method for its use

Country Status (9)

Country Link
US (1) US4930511A (ja)
EP (4) EP0728443B1 (ja)
JP (1) JP2885377B2 (ja)
KR (1) KR0149847B1 (ja)
AU (1) AU609686B2 (ja)
CA (1) CA1323090C (ja)
DE (2) DE68929055T2 (ja)
FI (1) FI892282A (ja)
IL (1) IL90263A (ja)

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US5603325A (en) * 1988-05-11 1997-02-18 Lunar Corporation Ultrasonic densitometer with width compensation
US5483965A (en) * 1988-05-11 1996-01-16 Lunar Corporation Ultrasonic densitometer device and method
US5042489A (en) * 1988-05-11 1991-08-27 Lunar Corporation Ultrasonic densitometer device and method
US5343863A (en) * 1988-05-11 1994-09-06 Lunar Corporation Ultrasonic densitometer device and method
US5349959A (en) * 1988-05-11 1994-09-27 Lunar Corporation Ultrasonic densitometer device and method
US5054490A (en) * 1988-05-11 1991-10-08 Lunar Corporation Ultrasonic densitometer device and method
US6277076B1 (en) * 1988-05-11 2001-08-21 Lunar Corporation Ultrasonic densitometer with pre-inflated fluid coupling membranes
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EP0747009A4 (en) * 1994-12-14 1999-07-14 Seikisui Chemical Co Ltd DEVICE AND METHOD FOR DIAGNOSING OSTEOPOROSIS
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US7854701B2 (en) * 2003-07-24 2010-12-21 Stergios Stergiopoulos Non-invasive monitoring of intracranial dynamic effects and brain density fluctuations
JP2006014979A (ja) * 2004-07-02 2006-01-19 Oyo Denki Kk 骨強度測定装置
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Also Published As

Publication number Publication date
EP0721765B1 (en) 1999-08-11
DE68929055D1 (de) 1999-09-16
DE68929055T2 (de) 2000-01-27
EP0728443B1 (en) 2000-08-09
EP0728443A3 (en) 1996-10-23
CA1323090C (en) 1993-10-12
US4930511A (en) 1990-06-05
EP0728443A2 (en) 1996-08-28
AU609686B2 (en) 1991-05-02
EP0341969A3 (en) 1990-09-12
EP0920832A3 (de) 1999-07-21
EP0341969A2 (en) 1989-11-15
JPH02104337A (ja) 1990-04-17
DE68929239T2 (de) 2001-01-25
JP2885377B2 (ja) 1999-04-19
FI892282A (fi) 1989-11-12
AU3467289A (en) 1989-11-23
EP0920832A2 (en) 1999-06-09
DE68929239D1 (de) 2000-09-14
EP0721765A3 (ja) 1996-07-31
EP0721765A2 (en) 1996-07-17
KR0149847B1 (ko) 1999-03-30
FI892282A0 (fi) 1989-05-11
IL90263A0 (en) 1989-12-15
KR890017532A (ko) 1989-12-16

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