Patent ID: 7045142

Claim:
An implantable or insertable medical device comprising: a superoxide dismutase mimic selected from a metal-chelate superoxide dismutase mimic and a nitroxide superoxide dismutase mimic; and a polymeric release region tat controls the release of said superoxide dismutase mimic upon administration to a patient; wherein the superoxide dismutase mimic is disposed within a polymeric matrix comprising a copolymer comprising an isobutylene monomer and a styrene monomer; and wherein the medical device is selected from a stent, a catheter, a balloon, a cerebral aneurysm filter coil, an arterio-venous shunt, a guide wire, a vena cava filter, a stent graft, a vascular graft, a myocardial plug, a patch, a pacemaker, a pacemaker lead, and a heart valve.