1978-08-07
1980-11-04
Howell, Kyle L.
Surgery
Truss
Pad
73729, 128659, A61B 500
Patent
active
042313767
ABSTRACT:
A pressure sensor apparatus primarily for sensing pressure in a body cavity such as the cranium, bladder or vena cava of an animal or human comprising a housing having a bellows defining a chamber within the housing. Means is provided for communicating pressure from the body cavity to the chamber. A radioactive material is housed in the housing and at least partially surrounded by radiation shielding. The radiation shielding shields the radioactive material as a function of the pressure sensed by the flexible member and the radioactivity is sensed by a radiation detector.
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Bustard, T. S. et al., IEEE Trans. on Nucl. Science, vol. 21, No. 1, Feb., 1974, pp. 697-701.
Lyon, W. C., Hittman Associates Contract Report #AT(11-1)-3206, Jun., 1972.
Hayes, Jr. William H.
Lyon Warren C.
Hittman Corporation
Howell Kyle L.
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