Surgery – Truss – Perineal
Patent
1975-11-20
1977-06-21
Howell, Kyle L.
Surgery
Truss
Perineal
73356, A61B 1000
Patent
active
040304825
ABSTRACT:
A contact fever thermometer adapted to be applied to a patient's skin to visually indicate the patient's temperature comprising a substantially rigid substrate having adhesive applied to one face thereof for adhering the substrate to the skin. The substrate is so sized that when the rigid substrate is adhered to the skin, the skin conforms generally to the shape of the substrate. A dark background is applied to the other face of the substrate and a plurality of numerical displays is provided on the dark background, each numerical display being comprised of a layer of liquid crystals which change color in response to changes in temperature within a specified temperature range with the liquid crystals in each of the numerical display areas being adapted to change color in response to changes in temperature within a different temperature range than do the liquid crystals in the other display areas whereby when the thermometer is applied to the skin, one of the numerical display areas displays a most clearly visible numerical temperature thereby indicating the average temperature beneath the substrate.
REFERENCES:
patent: 3561269 (1971-02-01), Seitz
patent: 3620889 (1971-11-01), Baltzer
patent: 3661142 (1972-05-01), Flam
patent: 3871232 (1975-03-01), Pickett et al.
patent: 3878722 (1975-04-01), Crites
patent: 3898354 (1975-08-01), Parker
Howell Kyle L.
Lake St. Louis Research Products, Inc.
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