Surgery – Truss – Pad
Patent
1978-04-17
1980-02-12
Kamm, William E.
Surgery
Truss
Pad
A61B 504
Patent
active
041878582
ABSTRACT:
In apparatus such as a defibrillator having a CRT display of an ECG wave, and an alternative display of the firing time of the defibrillator pulse in relation to the ECG wave, the inclusion of method and apparatus for orienting the waveform to a synchronization indicator. In the preferred form, the display is a single, non-fade stationary complex of the ECG wave starting prior to the occurrence of the oriented "P" wave. The display is timed through combination of clocking pulses responsive to a wave detection apparatus and a recirculating memory which establishes an orienting marker. The clock pulsing includes a predetermined delay to initiation of display from the data recirculating memory such that the data display is coordinated in time to a fixed reference.
REFERENCES:
patent: 3587564 (1971-06-01), Hagan et al.
patent: 3718772 (1973-02-01), Sanctuary
patent: 4109243 (1978-08-01), Day et al.
Day Christopher C.
McEachern Robert A.
American Optical Corporation
Duggan Jeremiah J.
Kamm William E.
Schneeberger Stephen A.
Spencer Alan H.
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