Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1992-11-12
1995-04-11
Page, Thurman K.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607152, 607153, 604307, 522173, 522181, 4272071, 424 7802, 424 7805, 424443, A61F 1302, A61L 1522, A61B 1700
Patent
active
054053668
ABSTRACT:
This invention relates to a non-stringy adhesive hydrophilic gel comprising an aqueous mixture of a radiation crosslinkable water-soluble polymer, at least one humectant effective to extend the moisture retaining characteristics of the gel and which inhibits the ability of radiant energy to crosslink the water-soluble polymer, a pharmacologically active agent, and a crosslinking promoter effective to counteract the crosslinking inhibitory effect of humectant. The aqueous mixture is exposed to radiant energy effective to provide a non-stringy adhesive cohesive homogeneous hydrophilic gel that has an extended in-use lifetime. The gels can be formed into PATCHES for long term application of the pharmacologically active agent to a patient.
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Czap Christine A.
Fox Adrian S.
Wiser Robin R.
Kulkosky Peter F.
Nepera Inc.
Page Thurman K.
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