Biocompatible coated article
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United States of America Patent
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-
Dec 30, 1997
Issued Date -
N/A
app pub date -
Oct 10, 1996
filing date -
Apr 15, 1994
priority date (Note) -
In Force
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Abstract
The biocompatibility of polymeric and metallic articles used in contact with blood can be substantially improved by coating the articles as described. The coating materials are triblock copolymers of the polylactone-polysiloxane-polylactone type. Optimum biocompatibility is provided by a coating of optimum surface concentration. Porous membranes can be coated as described, providing improved biocompatibility of blood oxygenators, hemodialyzers and the like.
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