Article of manufacture for the photodynamic therapy of dermal le

Details Article of manufacture for the photodynamic therapy of dermal le Article of manufacture for the photodynamic therapy of dermal le

1994-03-21

1996-04-09

Shay, David M.

Surgery

Instruments

Light application

606 2, 606 10, 606 16, 606 17, 607 88, 607 89, 607 90, 604 20, A61M 3700, A61N 506

Patent

active

055057268

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.

REFERENCES:
patent: 4886831 (1989-12-01), Morcos et al.
patent: 5039491 (1991-08-01), Saaski et al.
patent: 5300097 (1994-04-01), Lerner et al.
patent: 5445608 (1995-08-01), Chen et al.

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