Patent ID: 8092818

Claim:
A medical device comprising (a) a substrate and (b) a polymeric region disposed over said substrate, said polymeric region having a surface and comprising a block copolymer that comprises first and second polymer blocks, which correspond to first and second immiscible phase domains, respectively, within said polymeric region, wherein at least one of said first and second polymer blocks comprises a covalently attached first bioactive species, wherein said first block comprises a monomer selected from methyl methacrylate, styrene, vinyl naphthalene, isobornyl acrylate and combinations thereof, and wherein said second block comprises a monomer selected from butyl methacrylate, butyl acrylate, lauryl acrylate, isobutylene, ethylene oxide, hydroxyethyl methacrylate, hydroxyethyl acrylate, acrylic acid, methacrylic acid, hydroxstyrene, vinyl benzoic acid, and combinations thereof.