Patent ID: 7815674
Filing Date: 2010-10-19
Classification: A61F

Abstract:
1. A self expanding stent system comprising: a stent shaped in an elongated, generally cylindrical configuration and fabricated of a resilient material, the stent having a pair of side ends with a top end and a bottom end, the bottom end having a central spine along the entire extent of the stent, the central spine having a plurality of inter-leafing ribs, the interleafing ribs consisting of a pair of side end ribs with there being located between the side ribs a plurality of intermediate ribs each having two oppositely located ribs, each rib having a lower end coupled to the central spine and an upper free end, with each rib interdigitating with and being nested between two adjacently located opposite ribs and each rib having a width and a length, the width of each rib being constant along the length of each rib; and a holding sleeve shaped in an elongated, generally cylindrical configuration and fabricated of a resilient material, the sleeve being hollow with an inside cylindrical surface and an outside cylindrical surface and with an open application end; wherein the ribs include a pair of side faces such that the side faces of adjacent ribs contact each other at the top end of the stent.