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Article of manufacture for the photodynamic therapy of dermal lesion

  • US 5,505,726 A
  • Filed: 03/21/1994
  • Issued: 04/09/1996
  • Est. Priority Date: 03/21/1994
  • Status: Expired due to Term
First Claim
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1. An article of manufacture for photodynamic therapy of a dermal lesion located at a dermal treatment site on skin which skin includes the stratum corneum, comprising:

  • cover means adapted for being sealed to the skin for covering and defining a dermal treatment site and for providing a chamber opposite the dermal treatment site;

    transparent transport means containing hydration agent and at least one photopharmaceutical, said transport means residing in said chamber and for engaging the skin at the treatment site to cause said hydration agent to hydrate the stratum corneum at the dermal treatment site to enhance the passage therethrough of light and said photopharmaceutical; and

    light delivery means mounted to and inside said cover and residing in said chamber for photoactivating said photopharmaceutical at said dermal treatment site to cause said photopharmaceutical to treat the dermal lesion.

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