Patent ID: 9694162
Date: 2017-07-04
CPC Classifications: A61F,A61L,A61M,A61P

Claim:
1. A medical device suitable for introduction in a patient, comprising: a vascular stent comprising a non-porous biocompatible metal or metal alloy base material, the non-porous biocompatible metal or metal alloy base material providing an outer surface of the vascular stent and an inner surface of the vascular stent; a coating on the outer surface of the vascular stent and not on the inner surface of the vascular stent, the coating comprising a bioactive material for preventing restenosis of a blood vessel posited directly on the outer surface of the vascular stent, the outer surface of the vascular stent having a mean surface roughness of about 10 μin. and a surface roughness range between about 1 μin. and about 100 μin.; and wherein the bioactive material for preventing restenosis is not contained within or covered by a containment layer.