Method and apparatus for fractional photo therapy of skin
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United States of America Patent
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app pub date -
Jul 9, 2004
filing date -
Dec 12, 2001
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for providing fractional treatment of tissue (e.g., skin) using lasers is disclosed. The method involves creating one or more microscopic treatment zones of necrotic tissue and thermally-altered tissue and intentionally leaving viable tissue to surround the microscopic treatment zones. The dermatological apparatus includes one or more light sources and a delivery system to generate the microscopic treatment zones in a predetermined pattern. The microscopic treatment zones may be confined to the epidermis, dermis or span the epidermal-dermal junction, and further the stratum corneum above the microscopic treatment zones may be spared.
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