Brian L. Bates,Anthony O. Ragheb,Neal E. Fearnot,Thomas G. Kozma,William D. Voorhees, III
申请号：
US14622294
公开号：
US20150150696A1
申请日:
2015.02.13
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Bioactive-coated medical devices are provided, including coated vascular stents. The medical device coating can include a coating layer posited over at least a portion of the medical device surface, and can include a butyl methacrylate polymer or an ethylene-vinyl acetate copolymer in combination with a bioactive material that can function as both an immunosuppressive agent and an antiproliferative agent. Optionally, multilayer coatings can further include an adhesion promoting layer comprising parylene positioned between the coating layer and the medical device surface, a porous layer comprising butyl methacrylate positioned over at least a portion of the coating layer, or both. The coating layer preferably comprises between about 0.5 and 2.0 μg/mm2 of the bioactive material on the outer surface of the medical device. The bioactive material can be absorbed into the coating layer, which can have a thickness of between about 0.5 μm to about 5 μm.
