Patent ID: 7896914

Claim:
A therapeutic agent-releasing implantable medical stent device, comprising: a metal stent structure adapted for introduction into a patient, the metal stent structure having at least one metal surface; a two-layer coating system on the metal stent structure, the coating system extending from the metal surface to an outermost surface of the medical stent device, and the two-layer coating system consisting of a first layer and a second layer; wherein the first layer is a coating layer consisting of polymer material deposited directly on the metal surface; and wherein the second layer comprises an immunosuppressive agent at a level of about 0.1 milligrams per square centimeter of the gross surface area of the metal stent structure, wherein the second layer is deposited on the coating layer so as to provide the outermost surface of the medical stent device, and wherein the second layer is effective to release the immunosuppressive agent at a site of implantation of the stent device.