Drug delivery system for the removal of dermal lesions

Details Drug delivery system for the removal of dermal lesions Drug delivery system for the removal of dermal lesions

1992-04-17

1992-12-01

Prebilic, Paul

Surgery

Means for introducing or removing material from body for...

Treating material applied to or removed from external...

604304, 602 48, 424445, 424447, A61F 1302

Patent

active

051676494

ABSTRACT:
A drug delivery system for the removal of dermal lesions which includes a pad of viscoelastic rubber and oil gel, perfused with a pharmacologically active substance, which is partially encapsulated between a first layer of oil and water impermeable material and a second layer of oil and water impermeable material. The second layer includes an aperture, corresponding to the dimension of the dermal lesion, which is smaller than, and located within, the periphery of the adjacent medicated viscoelastic rubber and oil gel pad. The two layers of oil and water impermeable material are bonded together to form a seal about the periphery of the viscoelastic rubber and oil gel pad. The surface of the patch which is affixed to a wearer's skin is provided with a pressure sensitive adhesive. The viscoelastic rubber and oil pad and the encapsulating layers preferably are transparent.

REFERENCES:
patent: 3419006 (1968-12-01), King
patent: 4158359 (1979-06-01), Kurokawa et al.
patent: 4842931 (1989-06-01), Zook
patent: 4988341 (1991-01-01), Columbus et al.
patent: 4991574 (1991-02-01), Pocknell
patent: 5098421 (1992-03-01), Zook
patent: 5106629 (1992-04-01), Cartmell et al.
patent: 5108710 (1992-04-01), Little et al.

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