Plasma gas discharge treatment for improving the biocompatibilit

Details Plasma gas discharge treatment for improving the biocompatibilit Plasma gas discharge treatment for improving the biocompatibilit

1985-03-11

1987-04-07

Newsome, John H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427 2, 427 41, 428422, 604266, 128DIG22, B05D 306

Patent

active

046560831

ABSTRACT:
A method of treating articles to improve their biocompatibility is disclosed. A substrate material is positioned within a reactor vessel and exposed to plasma gas discharge in the presence of an atmosphere of an inert gas and then in the presence of an organic gas, such as a halocarbon or halohydrocarbon gas, capable of forming a thin, biocompatible surface covalently bonded to the surface of the substrate. The method is particularly useful in the treatment of vascular graft materials to improve their biocompatibility.

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