ePTFE SMALL CALIBER VASCULAR GRAFTS WITH SIGNIFICANT PATENCY ENHANCEMENT VIA A SURFACE COATING WHICH CONTAINS COVALENTLY BONDED HEPARIN

摘要

Disclosed are implantable medical devices with enhanced patency. Expanded polytetrafluoroethylene small caliber vascular grafts coated with polymer bound bio-active agents that exhibit enhanced patency are disclosed. Methods of preparing same are also provided.