Warning apparatus for indicating a threat of impending shock

Details Warning apparatus for indicating a threat of impending shock Warning apparatus for indicating a threat of impending shock

1975-05-22

1977-03-22

Pinkham, Richard C.

Surgery

Truss

Perineal

128 205P, 128 205T, 128 205V, 356 39, A61B 502

Patent

active

040130673

ABSTRACT:
A warning apparatus for indicating the threat of impending shock, which includes a photoelectric pulse pickup or receiver adapted to be applied onto the skin of a patient. The pulse pickup or receiver is a combined reflective and transmissive receiver, and the pulse pickup has a signal comparison arrangement associated therewith which compares the signal obtained from a reflective and transmissive measurement with predetermined signal threshold or boundary values, and which will generate an output signal for initiation of an alarm when the output signal of the pulse pickup exceeds the boundary value imparted thereto.

REFERENCES:
patent: 3704706 (1972-12-01), Herczfeld et al.
patent: 3796213 (1974-03-01), Stephens
patent: 3814082 (1974-06-01), Taylor
patent: 3847483 (1974-11-01), Shaw et al.
patent: 3910701 (1975-10-01), Henderson et al.

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