Hybrid coating for medical devices
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United States of America Patent
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-
Jan 30, 2001
Grant Date -
N/A
app pub date -
Jan 28, 1999
filing date -
Feb 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are hybrid coatings for implantable medical devices. Such coatings include a first layer of an aqueous dispersion or emulsion of an organic acid functional group containing polymer, a crosslinker and a therapeutic agent dispersed therein. The coating also includes a second layer of an aqueous solution or dispersion of an organic acid functional group-containing bio-active agent. The hybrid coatings are especially suited for preventing restenosis of endoprostheses by the combined action of the therapeutic agent and the bio-active agent. Methods of making and using devices coated with such compositions are also provided.
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