| 摘要 |
PCT No. PCT/GB95/01747 Sec. 371 Date Jan. 24, 1997 Sec. 102(e) Date Jan. 24, 1997 PCT Filed Jul. 24, 1995 PCT Pub. No. WO96/03080 PCT Pub. Date Feb. 8, 1996Osterporosis apparatus for measuring ultrasonic characteristic(s) of a patient's bone includes two ultrasonic transducers spacedly arranged in a respective head in the apparatus for ultrasonic transmission from one to the other; circuitry for controlling transmission from the one transducer, measuring the reception at the other and providing an output indicative of the ultrasonic characteristic(s), the apparatus including a fluid system having two diaphragms arranged in the respective heads so that there is a fluid path from each transducer to its diaphragm and a gap between the diaphragms which is occupied in use by the patient's bone.
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