CA2242594A1 - Imaging ultrasonic densitometer - Google Patents

Imaging ultrasonic densitometer Download PDF

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Publication number
CA2242594A1
CA2242594A1 CA002242594A CA2242594A CA2242594A1 CA 2242594 A1 CA2242594 A1 CA 2242594A1 CA 002242594 A CA002242594 A CA 002242594A CA 2242594 A CA2242594 A CA 2242594A CA 2242594 A1 CA2242594 A1 CA 2242594A1
Authority
CA
Canada
Prior art keywords
measurements
imaging ultrasonic
ultrasonic densitometer
densitometer
align
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.)
Granted
Application number
CA002242594A
Other languages
French (fr)
Other versions
CA2242594C (en
Inventor
Richard F. Morris
Scott A. Wiener
Richard B. Mazess
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
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 to US08/795,025 priority Critical patent/US5840029A/en
Priority to EP98300150A priority patent/EP0856284A1/en
Application filed by Lunar Corp filed Critical Lunar Corp
Priority to CA002242594A priority patent/CA2242594C/en
Publication of CA2242594A1 publication Critical patent/CA2242594A1/en
Application granted granted Critical
Publication of CA2242594C publication Critical patent/CA2242594C/en
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
    • 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
    • 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
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue

Abstract

A scanning ultrasonic apparatus provides measurements of a bone at a number of spatially separated locations. These measurements may produce an image or may be used to automatically identify a measurement region of interest or to align a series of measurements with each other despite possible shifting in the bony member in between measurements.
CA002242594A 1988-05-11 1998-08-17 Imaging ultrasonic densitometer Expired - Fee Related CA2242594C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/795,025 US5840029A (en) 1988-05-11 1997-02-04 Imaging ultrasonic densitometer
EP98300150A EP0856284A1 (en) 1997-02-04 1998-01-09 Imaging ultrasonic density meter
CA002242594A CA2242594C (en) 1997-02-04 1998-08-17 Imaging ultrasonic densitometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/795,025 US5840029A (en) 1988-05-11 1997-02-04 Imaging ultrasonic densitometer
CA002242594A CA2242594C (en) 1997-02-04 1998-08-17 Imaging ultrasonic densitometer

Publications (2)

Publication Number Publication Date
CA2242594A1 true CA2242594A1 (en) 2000-02-17
CA2242594C CA2242594C (en) 2001-03-06

Family

ID=33435769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002242594A Expired - Fee Related CA2242594C (en) 1988-05-11 1998-08-17 Imaging ultrasonic densitometer

Country Status (3)

Country Link
US (1) US5840029A (en)
EP (1) EP0856284A1 (en)
CA (1) CA2242594C (en)

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US8419643B2 (en) * 2006-09-21 2013-04-16 Artann Laboratories Inc. Ultrasonic method and apparatus for assessment of bone
JP4640492B2 (en) * 2008-10-27 2011-03-02 パナソニック電工株式会社 Bone density measuring device
FI126104B (en) * 2010-09-09 2016-06-30 Bone Index Finland Oy Procedure and system for bone mineral density assessment
US9535041B2 (en) * 2012-05-21 2017-01-03 Furuno Electric Company Limited Propagation rate measurement device, propagation rate measurement program, and propagation rate measurement method
GB2524470B (en) * 2014-02-16 2019-04-17 Wang Wei An apparatus and method for "high-resolution" electrical impedance imaging
US20230240584A1 (en) * 2019-01-08 2023-08-03 Neuroindex Ltd. Brain activity synchronization

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Also Published As

Publication number Publication date
CA2242594C (en) 2001-03-06
US5840029A (en) 1998-11-24
EP0856284A1 (en) 1998-08-05

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