An expandable stent for use within a body passageway having a body member with two ends and a wall surface disposed between the ends. The body member has a first diameter to permit delivery of the body member into a body passageway and a second expanded diameter. The surface of the stent is coated with...http://www.google.es/patents/US20020099438?utm_source=gb-gplus-sharePatente US20020099438 - Irradiated stent coating
