Bone assessment apparatus

Details Bone assessment apparatus Bone assessment apparatus

1997-01-27

1999-04-20

Jaworski, Francis J.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600459, A61B 300

Patent

active

058953574

ABSTRACT:
A bone assessment apparatus for diagnosing bone by transmitting and receiving measuring waves (in particular ultrasonic waves) is provided. A body part (e.g. a foot) is gripped by a pair of transducer assemblies, and ultrasonic waves are transmitted and received in this state. Each transducer assembly comprises an ultrasonic transducer and a coupler. The transverse cross-sectional area of the ultrasonic wave beam is adjusted by adjusting the contact area of the coupler on the body part, by changing the vibrating area of the ultrasonic transducer, or by fitting an attachment which narrows the ultrasonic wave beam to the transducer assembly. The transverse cross-sectional area of the ultrasonic wave beam may be changed depending on the size of the body part to be measured.

REFERENCES:
patent: 3847141 (1974-11-01), Hoop
patent: 4275597 (1981-06-01), Quedens et al.
patent: 4603701 (1986-08-01), Chen
patent: 5134999 (1992-08-01), Osipor
patent: 5335661 (1994-08-01), Koblonshi
patent: 5348009 (1994-09-01), Ohtomo et al.

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