Device to display skin temperature changes by changes in color

Details Device to display skin temperature changes by changes in color Device to display skin temperature changes by changes in color

1974-09-12

1976-04-20

Howell, Kyle L.

Surgery

Truss

Perineal

73356, A61B 1000, G01K 1116

Patent

active

039511332

ABSTRACT:
Two or more sheets of liquid crystal thermal film assembled side by side, one surface of which assembly is covered by a flat piece of temperature equalizing material made of high thermal conductivity material, such as tin-foil, which film sheets change color in response to changes in the skin temperature of a person on whom my device is attached. At opposite sides of the sheets are two retaining strips of material to wrap around a finger, that can be fastened together or unfastened as desired.

REFERENCES:
patent: 3175401 (1965-03-01), Geldmacher
patent: 3465590 (1969-09-01), Kluth et al.
patent: 3524726 (1970-08-01), De Koster
patent: 3633425 (1972-01-01), Sanford
patent: 3661142 (1972-05-01), Flam
patent: 3765243 (1973-10-01), Pickett et al.
patent: 3830224 (1974-08-01), Vanzetti et al.

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