Patent ID: 8435286
Filing Date: 2013-05-07
Classification: A61F,A61L

Abstract:
1. A stent delivery system comprising: a catheter; a balloon operably attached to the catheter; a stent disposed on the balloon, the stent having a plurality of end-to-end cylindrical stent segments, the axes of the plurality of cylindrical stent segments lying along a longitudinal axis of the stent, the stent having a first region continuous across at least one pair of longitudinally adjacent cylindrical stent segments and a second region continuous across at least one pair of longitudinally adjacent cylindrical stent segments; and a coating including a first coating section comprising a first polymer and a second coating section comprising a second polymer, the first polymer being different than the second polymer; wherein: the first coating section is a single layer directly adjacent to and completely covering the outer surface in the first region of the longitudinally adjacent cylindrical stent segments; and the second coating section is another single layer directly adjacent to and completely covering the outer surface in the second region of the longitudinally adjacent cylindrical stent segments; and the first region and the second region are discrete, and the first coating section and the second coating section are discrete.