Physiological sensing unit

Details Physiological sensing unit Physiological sensing unit

1981-04-27

1984-02-21

Cohen, Lee S.

Surgery

Truss

Pad

204403, 204408, A61B 500

Patent

active

044323654

ABSTRACT:
Disclosed herein is a physiological, electrically heated, thermostatically controlled sensing unit of the type used in the medical field for measuring blood contents, such as oxygen. A typical unit comprises a housing for application to the skin of a living being, an electric heater element within the housing, and a temperature-responsive switching circuit, also accommodated within the housing. The switching circuit automatically disconnects a power supply to the heater element when the skin temperature exceeds an adjustable predetermined threshold level. The power supply for the switching circuit is directly connected to the power supply for the heater element within the housing.

REFERENCES:
patent: 3838248 (1974-09-01), Uchida et al.
patent: 4142529 (1979-03-01), Latenser et al.
patent: 4195415 (1980-04-01), Livings et al.
patent: 4280505 (1981-07-01), Dali et al.
patent: 4290431 (1981-09-01), Herbert et al.
patent: 4334541 (1982-06-01), Leist et al.

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