Surgery – Truss – Perineal
Patent
1975-06-12
1977-07-05
Kamm, William E.
Surgery
Truss
Perineal
128 2A, A61B 502
Patent
active
040333353
ABSTRACT:
A method and device for multiplexing time varying amplitude physiological data signals with the signals provided by the photomultiplier tubes of a gamma ray scintillation camera. The time varying amplitude signals from physiological sensors are converted to a series of uniformly shaped pulses having a pulse frequency which is directly proportional to the amplitude of the physiological signal. The pulses are shaped to correspond to the shape and size of significant pulses provided at the output circuitry of the photomultiplier tubes of the camera. The shaped pulses are combined with the pulses provided by a photomultiplier tube, and are processed by the internal circuitry of the gamma ray camera in the same manner as gamma ray scintillation data. A computer can be utilized to process the data thus provided, and to display the gamma ray scintillation data in time synchrony with the physiological signal source data.
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patent: 3210747 (1965-10-01), Clynes
patent: 3220404 (1965-11-01), Del Lucchese
patent: 3465103 (1969-09-01), Lynch
patent: 3572316 (1971-03-01), Vogelman et al.
patent: 3590811 (1971-07-01), Harris
patent: 3769966 (1973-11-01), Youdin et al.
Engstrom Harry C.
Kamm William E.
Long Theodore J.
Winter John M.
Wisconsin Alumni Research Foundation
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