Coating agent for drug releasing stent, preparation method thereof and drug releasing stent coated therewith

摘要

Disclosed are a coating agent for drug releasing stents, a method for preparing the same and a drug releasing stent coated therewith. The coating agent comprises a biologically active material and a coating material selected from among pullulan acetate, represented by the following Chemical Formula 1, and a polyurethane-surfactant mixture.;