Equipment for detecting, monitoring, measuring, displaying and r

Details Equipment for detecting, monitoring, measuring, displaying and r Equipment for detecting, monitoring, measuring, displaying and r

1976-12-02

1979-08-21

Cohen, Lee S.

Surgery

Truss

Pad

128688, 128689, A61B 502

Patent

active

041649370

ABSTRACT:
An inexpensive, compact and portable instrument using two photoelectric cells in a sensitive Wheatstone bridge, an operational amplifier and ambient light sources and arranged to easily engage the finger or other parts of the human body at frequent intervals and detect the pulsatile blood changes in the vascular bed and provide a visual and audible indication corresponding to the pulse and heartbeat. Also, the pulse and heartbeat can be measured and the pulse ratetime patterns recorded for various diagnostic purposes including the identification of suspected allergens and toxic substances.

REFERENCES:
patent: 2848992 (1958-08-01), Pigeon
patent: 3176681 (1965-04-01), Smith
patent: 3742938 (1973-07-01), Stern
patent: 3830227 (1974-08-01), Green
patent: 3835837 (1974-09-01), Peek
patent: 3903873 (1975-09-01), Royal et al.
patent: 3993047 (1976-11-01), Peek
patent: 4030484 (1977-06-01), Kuska et al.
patent: 4052979 (1977-10-01), Scherr et al.

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