Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1997-10-01
2000-01-18
Jaworski, Francis J.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600442, 600449, A61B 800
Patent
active
060153830
ABSTRACT:
An improved apparatus and method for providing a measurement of the characteristic behavior of an acoustic wave in a bone of a subject. A preferred embodiment has a first assembly containing mounting means for mounting two transducers in spaced relationship with respect to the bone, and a second, hand-holdable assembly containing a display for displaying an output characterizing the behavior of the acoustic wave in the bone. In other embodiments of the invention, an acoustic signal propagated along a path through the bone is processed to determine the proximity of the path to an edge of the bone.
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patent: 5564423 (1996-10-01), Mele et al.
patent: 5720290 (1998-02-01), Buhler et al.
patent: 5785656 (1998-07-01), Chiabrera et al.
Buhler Joe P.
Butt David
Goll Jeffrey H.
Wagner Neldon C.
Whitney Hartwell H.
Jaworski Francis J.
Metra Biosystems, Inc.
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