STENT WITH DIFFERENTIAL TIMING OF ABLUMINAL AND LUMINAL RELEASE OF A THERAPEUTIC AGENT

摘要

The invention relates generally to a medical device that is useful for delivering a therapeutic agent to the body tissue of a patient, and the method for making such a medica device. More particularly, the invention is directed to a stent having a tubular sidewall wit first coating composition on at least the luminal surface and/or abluminal surface, and a second coating composition disposed on at least a portion of the first coating composition comprising a low diffusivity biodegradable polymer.