Invention Grant
US07935379B2 Coated and imprinted medical devices and methods of making the same 失效
涂层和印刷医疗器械及其制造方法

Coated and imprinted medical devices and methods of making the same
Abstract:
The present invention relates generally to coated medical devices, preferably a stent, that has a drug-eluting surface completely or partially coated with a coating that is imprinted with an impression. In particular, the invention is directed to a coated medical device having a coating that comprises biologically active materials, polymers, or a combination thereof. The coating is imprinted with an impression by printing, molding, lithography, or embossing techniques. Preferably, the patterning imprinted on the coating is capable of releasing biologically active materials in different amounts, at different rates, and/or at different time periods. The invention also relates to methods of making and methods of using the coated medical device.
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