Skin-cooling probe

Details Skin-cooling probe Skin-cooling probe

1983-09-02

1986-09-30

Coven, Edward M.

Surgery

Truss

Pad

128 241, A61F 700

Patent

active

046141910

ABSTRACT:
A skin-cooling probe used for the purpose of anesthetizing or desensitizing the target skin area prior to the removal of hairs by electrolysis. The probe is manipulated by one finger, is enabled by a foot pedal. A refrigerant chip is powered by electric current and operates by polarizing hot and cold via the Peltier effect. The cold side is applied to the target skin area by digital manipulation of the probe. A heat sink dissipates heat generated by the hot side of the refrigerant chip. The refrigerant chip and the finger socket are both rotatable with respect to an axis, thereby avoiding clumsiness and difficulty in applying the cold side of the refrigerant chip to the target skin area. The current to the refrigerant chip is cyclically controlled by timing circuitry, thereby defining a cooling/recovery cycle. A light signal connected to the timing circuitry signals probe readiness.

REFERENCES:
patent: 3132688 (1964-05-01), Nowak
patent: 3133539 (1964-05-01), Erdis
patent: 3207159 (1965-09-01), Tateisi
patent: 3289749 (1966-12-01), Crump
patent: 3502080 (1970-03-01), Hirschhorn
patent: 3923064 (1975-12-01), Lexpold
patent: 4317450 (1982-03-01), Chalmers
patent: 4440167 (1984-04-01), Takehisa

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