 Life expectancy less than 12 months Has any planned surgical or endovascular intervention of target vessel 30 days before or after index procedure Thrombophlebitis, uremia, or deep venous thrombus, within past 30 days. Receiving dialysis or immunosuppressant therapy. Recent stroke within past 90 days. Known allergies to the following: aspirin, clopidogrel bisulfate Plavix or ticlopidine Ticlid, heparin, Nitinol nickel titanium, contrast agent, that cannot be medically managed. 