Article of manufacture for the photodynamic therapy of dermal lesion
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United States of America Patent
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Apr 9, 1996
Grant Date -
N/A
app pub date -
Mar 21, 1994
filing date -
Mar 21, 1994
priority date (Note) -
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Abstract
An article of manufacture for photodynamic therapy of a dermal lesion located at a dermal treatment site on skin including the stratum corneum, transparent hydrogel for covering the dermal treatment site and containing hydration agent and photopharmaceutical, the transparent hydrogel couples the hydration agent to the stratum corneum to hydrate and soften the stratum corneum to enhance its optical transmissiveness to facilitate the transmission of light therethrough and to enhance its chemical transmissiveness to facilitate the transmission therethrough of the photopharmaceutical for treatment of the dermal lesion; and light delivery means are included for delivering light through the transparent hydrogel and the hydrated stratum corneum to photoactivate the photopharmaceutical to treat the dermal lesion.
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