Surgery – Truss – Pad
Patent
1977-06-20
1980-05-06
Kamm, William E.
Surgery
Truss
Pad
A61B 104
Patent
active
042012236
ABSTRACT:
Apparatus for synthesizing motion pictures of a cyclically functioning internal body organ such as a human heart from the monitor control (X, Y, and Z) signals provided by a scintillation camera excited by radiation from a bolus of radiopharmaceutical material transiting or standing in the organ. The individual frames of the synthesized motion picture are recorded on a disc of photographic film which is rotated step-by-step by a digital rate-and-position servodrive. The picture quality of each frame is enhanced by repeatedly exposing it to the monitor screen image during substantially the same phase of successive functioning cycles of the organ. The organ cycle phase signals which serve as step commands for the servodrive are generated by a synchronizing circuit which is itself synchronized to the cyclic rate of the body organ being examined by means of bioelectrical signals derived from the patient being examined. A light source, optics, and a viewing screen are provided for making use of the film disc drive in projecting the synthesized motion pictures from developed film discs.
REFERENCES:
patent: 2193471 (1940-03-01), Both
patent: 3020119 (1962-02-01), Marchal et al.
patent: 3542012 (1970-11-01), Freiberger
patent: 3605724 (1971-09-01), Flaherty
Dunn Instruments, Inc.
Kamm William E.
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