Patent ID: 8961584
Filing Date: 2015-02-24
Classification: A61F,A61L,Y10S

Abstract:
1. A stent consisting of a structural frame and two or more regioselective bands formed in situ on regions of the structural frame, each band being an unperforated hollow cylinder encircling the structural frame, the regioselective bands being formed by drip-coating a material onto the regions of the structural frame as the stent rotates, wherein the material is a substance selected from the group consisting of phosphoryl choline, ethylene vinyl alcohol (EVAL), polyanhydrides, polyesters, polyphosphazenes, polyhydroxybutyrate, polyhydroxyvalerate, polyurethanes, poly (butyl methacrylate), hyaluronic acid, water soluble chondroitin sulfate, poly (ethylene glycol) (PEG), poly (vinyl pyrrolidine) (PVP), PCL-co-PEG, PLA-co-PEG, block copolymers of polybutylene terephthalate and polyethylene glycol terephthalate, poly alpha-hydroxy acids, and combinations thereof, and optionally a therapeutic agent.