Liquid crystal medical device

Details Liquid crystal medical device Liquid crystal medical device

1987-07-13

1990-08-28

Miller, Stanley D.

350331T, 350334, 350335, G02F 113

Patent

active

049520334

ABSTRACT:
A liquid crystal device (10) includes at least two layers of encapsulated thermochromic, e.g., liquid crystal, material (14, 16) for providing a color response with respect to temperature, the temperature ranges of color response of the at least two liquid crystal layers being different, a mechanism (18) for distinguishing the temperature range in which the device is operational, and a support (20) for supporting the at least two liquid crystal layers and distinguishing mechanism for positioning with respect to at least part of a body. A method for making the liquid crystal device and a method for using the liquid crystal device to detect and to indicate the temperature of a body.

REFERENCES:
patent: 3704625 (1972-12-01), Seto et al.
patent: 3861213 (1975-01-01), Parker
patent: 3951133 (1976-04-01), Reese
patent: 4138889 (1979-02-01), Fraschini
patent: 4741859 (1988-05-01), McDonnell et al.
patent: 4834500 (1989-05-01), Hilsum et al.

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