Patent ID: 7485130
Filing Date: 2009-02-03
Classification: A61F

Abstract:
1. A stent, the stent having a length, the stent expandable from an unexpanded state to an expanded state, the radius of the stent in the unexpanded state being substantially constant along the length of the stent, the stent comprising: a substantially tubular structure of stent material, the stent material comprising a plurality of interconnected stent elements separated by openings in the structure, interconnected elements meeting at junctions, the structure having a plurality of regions along the length, each region having a plurality of said junctions, the junctions of at least one region being made up of more stent material than the junctions of the adjacent regions, said structure having a radially outward biased force, said force being varied along said length, the at least one region having a greater radially outward biased force than the adjacent regions.