Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Light application
Patent
1995-09-28
1998-11-17
Lacyk, John P.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Light application
607 90, 607 94, 606 3, A61N 506
Patent
active
058369996
ABSTRACT:
A method and apparatus for treating psoriasis includes a source of incoherent electromagnetic energy. The energy is directed to a region of tissue to be treated. The pulse duration and the number of pulses may be selected to control treatment parameters such as the heating of healthy tissue and the penetration depth of the energy to optimize the treatment. Also, the radiation may be filtered to control the radiation spectrum and penetration depth. The filtering may include attenuating an UV portion of the radiation spectrum and portions of the spectrum below a desired treatment bandwidth. A light guide for large or small spot sizes may be used to direct the light to the skin. A cooling gel is applied to the skin to be treated in another embodiment. The gel may be cooled either before or after it is applied to the skin.
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Eckhouse Shimon
Kreindel Michael
ESC Medical Systems Ltd.
Lacyk John P.
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