Patent ID: 7041308

Claim:
A system for treating a vascular condition, comprising: a catheter; a stent coupled to the catheter; a polymeric coating on the stent, wherein the polymeric coating comprises a segmented homochain copolyester having a plurality of segments of a first segment type comprising methacrylate sequences randomly linked to one or a plurality of segments of a second segment type comprising vinyl acetate sequences wherein said first segment type is selected from the group consisting of t-butyl methacrylate and n-butyl methacrylate and said second segment type is selected from the group consisting of vinyl acetate, ethoxyethyl methacrylate, ethyl methacrylate and methacrylic acid wherein the second segment type comprises vinyl acetate and the first segment type comprises n-butyl methacrylate, the second segment type comprises vinyl acetate and the first segment type comprises t-butyl methacrylate, the second segment type comprises ethoxyethyl methacrylate and the first segment type comprises n-butyl methacrylate, the second segment type comprises ethyl methacrylate and the first segment type comprises n-butyl methacrylate, and the second segment type comprises methacrylic acid and the first segment type comprises n-butyl methacrylate; and a bioactive drug dispersed within the polymeric coating.