Patent ID: 9439790
Filing Date: 2016-09-13
CPC Classification: A61F,A61L

Claim Text:
1. An intraluminal prosthesis having an outer surface, the intraluminal prosthesis comprising: a) a radially expandable tubular stent structure having a length defining a longitudinal axis, said tubular structure including an open wall structure and having an interior surface and an exterior surface; b) a polymeric covering having an interior surface and an exterior surface, disposed on the exterior surface of said wall structure; and c) a three-dimensional anti-migration structure comprising at least one strand of anti-migration filament; wherein the three-dimensional anti-migration structure is disposed on the polymeric covering so that a portion of the outer surface of the prosthesis is formed by the polymeric covering and a portion of the outer surface of the prosthesis is formed by the three-dimensional anti-migration structure; wherein said anti-migration structure comprises a plurality of anti-migration filaments disposed on said polymeric covering at a plurality of regions.