Surgery – Truss – Pad
Patent
1977-11-23
1979-05-15
Kamm, William E.
Surgery
Truss
Pad
346 33ME, 128711, 128700, A61B 502
Patent
active
041542312
ABSTRACT:
A system for detecting, quantizing, and displaying simultaneously on a single recording a wide panorama of cardiac diagnostic information including data inputs from EKG, phono-doppler, sound, and pulse; displaying each input in a distinctive color or form, in coordinates of time, frequency, and amplitude. A multi-channel recording system with an "instant replay" feature is employed to record simultaneously the respective inputs plus a timing pulse in separate channels, the timing pulse being generated by the periodic recurrence of a characteristic signal present in one of said inputs. A given sequence is selected for analysis and the recorded inputs for that sequence are replayed and fed to a high speed digital voltmeter-computer combination which dissects the wave form of the signals of each of said inputs separately and provides a read-out of the entire time, frequency, and amplitude content of all portions of the wave form of each input. A plotter transcribes the output of the computer three dimensionally, that is, in coordinates of time, frequency, and amplitude and distinguishes between the respective forms of data by presenting each in a distinctive color. A record of the output of the computer is also provided by means of a conventional computer print-out.
REFERENCES:
patent: 3123768 (1964-03-01), Burch et al.
patent: 3292018 (1966-12-01), Clynes
patent: 3601120 (1971-08-01), Massle
patent: 3759248 (1973-09-01), Valiquette
patent: 3773033 (1973-11-01), Rodbard et al.
Blumenfield et al., "Medical & Biological Engineering", vol. 9, No. 6, Nov. 1971, pp. 637-643.
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