DE68929055T2 - Ultraschall-Dichtemessgerät und Verfahren - Google Patents

Ultraschall-Dichtemessgerät und Verfahren

Info

Publication number
DE68929055T2
DE68929055T2 DE68929055T DE68929055T DE68929055T2 DE 68929055 T2 DE68929055 T2 DE 68929055T2 DE 68929055 T DE68929055 T DE 68929055T DE 68929055 T DE68929055 T DE 68929055T DE 68929055 T2 DE68929055 T2 DE 68929055T2
Authority
DE
Germany
Prior art keywords
density meter
ultrasonic density
ultrasonic
meter
density
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 - Fee Related
Application number
DE68929055T
Other languages
English (en)
Other versions
DE68929055D1 (de
Inventor
Phillip J Rossman
Scott A Weiner
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.)
GE Lunar Corp
Original Assignee
Lunar Corp
GE 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, GE Lunar Corp filed Critical Lunar Corp
Publication of DE68929055D1 publication Critical patent/DE68929055D1/de
Application granted granted Critical
Publication of DE68929055T2 publication Critical patent/DE68929055T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE68929055T 1988-05-11 1989-05-09 Ultraschall-Dichtemessgerät und Verfahren Expired - Fee Related DE68929055T2 (de)

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
DE68929055D1 DE68929055D1 (de) 1999-09-16
DE68929055T2 true DE68929055T2 (de) 2000-01-27

Family

ID=22713031

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68929055T Expired - Fee Related DE68929055T2 (de) 1988-05-11 1989-05-09 Ultraschall-Dichtemessgerät und Verfahren
DE68929239T Expired - Fee Related DE68929239T2 (de) 1988-05-11 1989-05-09 Ultraschall-Dichtemessgerät und Verfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68929239T Expired - Fee Related DE68929239T2 (de) 1988-05-11 1989-05-09 Ultraschall-Dichtemessgerät und Verfahren

Country Status (9)

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

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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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JP2840040B2 (ja) * 1994-12-22 1998-12-24 アロカ株式会社 組織内音速測定方法
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US6517487B1 (en) * 1995-03-01 2003-02-11 Lunar Corporation Ultrasonic densitometer with opposed single transducer and transducer array
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KR20010090833A (ko) * 1998-11-08 2001-10-19 추후제출 뼈 속도 결정
KR100318699B1 (ko) * 1999-06-30 2001-12-28 강중길 초음파 스캐닝을 통한 골다공증 진단기
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JP2004535882A (ja) * 2001-07-24 2004-12-02 サンライト メディカル リミテッド 超音波を用いた骨年齢評価方法
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
CN100553565C (zh) * 2005-11-29 2009-10-28 宏扬(河北)医疗器械有限公司 一种测定骨骼中声速的方法
WO2007069775A1 (ja) * 2005-12-14 2007-06-21 Teijin Pharma Limited 照射位置確認機能を有する医療用超音波装置
US8419643B2 (en) * 2006-09-21 2013-04-16 Artann Laboratories Inc. Ultrasonic method and apparatus for assessment of bone
US8421479B2 (en) * 2009-06-30 2013-04-16 Navisense Pulsed echo propagation device and method for measuring a parameter
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Also Published As

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

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee