Plasma gas discharge treatment for improving the biocompatibility of biomaterials
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United States of America Patent
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Apr 7, 1987
Issued Date -
N/A
app pub date -
Mar 11, 1985
filing date -
Aug 1, 1983
priority date (Note) -
Expired
status (Latency Note)
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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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