Hand-held device for the local heat-treatment of the skin

Details Hand-held device for the local heat-treatment of the skin Hand-held device for the local heat-treatment of the skin

Filed on

1981-01-28

Date issued

1983-04-26

Examiner

Cohen, Lee S.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Pad

Other Related Categories

219241, A61F 700

Type

Patent

Status

active

Patent number

043810098

Description

ABSTRACT:
A hand-held device for the local heat treatment of a patient's skin comprises a casing composed of a lower treatment part having a bottom wall with an external treatment face, and an upper handle part, and an electric heating unit in the treatment part comprising a power transistor with a cooling vane and a heat sensor, the cooling vane and the heat sensor being in heat transfer contact with the interior surface of the bottom wall, and an electric circuit unit inside the treatment part for controlling electric current flow through the power transistor depending on temperature variations detected in the bottom wall by the heat sensor. The circuit is fed low voltage direct current from a source therefor.

REFERENCES:
patent: 3308271 (1967-03-01), Hilbiber
patent: 3320407 (1967-05-01), Holmes
patent: 3450863 (1969-06-01), Scholl
patent: 4142529 (1979-03-01), Latenser et al.
patent: 4227535 (1980-10-01), Connor
patent: 4290431 (1981-09-01), Herbert et al.

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