Patent ID: 9345600
Filing Date: 2016-05-24
CPC Classification: A61F,A61L

Claim Text:
1. A self-expanding stent, comprising: a stent structure comprising a plurality of stent cells having a compressed configuration and an expanded configuration, said stent structure being self-expanding from said compressed configuration to said expanded configuration; a first region and two second regions of said stent structure, said first region being disposed longitudinally between said second regions, said first region comprising a first plurality of said stent cells and a second plurality of said stent cells dispersed circumferentially amongst said first plurality of said stent cells, each of said first plurality of said stent cell comprising at least a pair of circumferentially adjacent structural members connected to each other through a first bend; a first restraining material attached to said first region of said stent structure and extending across an entirety of a first material area defined by the pair of circumferentially adjacent structural members and the first bend, said second plurality of said stent cells being unrestrained by the first restraining material, said first restraining material initially restraining said first region from expanding to said expanded configuration, and said first restraining material releasing said first region over time to allow said first region to expand to said expanded configuration; and wherein said second regions of said stent structure expand at a faster rate than said first region.