Method and apparatus for the treatment of benign pigmented lesions
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United States of America Patent
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Jul 19, 2011
Grant Date -
Aug 26, 2004
app pub date -
Feb 25, 2004
filing date -
Feb 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is an apparatus and method which employs an energy source, one or more switches, electronic control circuitry, and a surface that can be placed in contact with a region of a person's skin containing a benign pigmented lesion. Within the apparatus, electrical current is passed through a heating element that is thermally coupled to the surface so that this surface is heated rapidly and then is subsequently cooled rapidly. By judicious choice of the rate of heating, maximum temperatures achieved, and rate of cooling, thermal injury to the skin can be confined primarily to the epidermal region of the skin in contact with the surface.
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