| 摘要 |
A method of measuring a predetermined parameter of interest in a bone or joint of a subject's body, comprising embedding in the bone or joint an acoustical transmitter and an acoustical receiver spaced from the transmitter to define between them an acoustical transmission channel which includes a portion of the bone or joint exhibiting the predetermined parameter of interest, measuring the transit time of an acoustical wave transmitted through the acoustical transmission channel from the transmitter to the receiver, and utilizing the measured transit time to provide a measurement of the predetermined parameter of interest.
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