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Coiled-sheet stent with flexible mesh design

  • US 7,491,227 B2
  • Filed: 06/16/2003
  • Issued: 02/17/2009
  • Est. Priority Date: 06/16/2003
  • Status: Expired due to Fees
First Claim
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1. A stent comprising:

  • a coiled sheet having a longitudinal axis and first and second longitudinal edges, said coiled sheet having an unexpanded condition and an expanded condition, wherein said first and second longitudinal edges have a circumferential overlap of about 20% to about 100% when the coiled sheet is in the unexpanded condition;

    a plurality of cylindrical bands formed in said coiled sheet, each cylindrical band comprising a generally zig-zag pattern comprising a series of sequential diagonal elements connected to one another,a first terminal band, and a second terminal band, the first terminal band being distal of the plurality of cylindrical bands and the second terminal band being proximal of the plurality of cylindrical bands, the first and second terminal bands comprising a plurality of straight sections, pairs of straight sections being engaged to form terminal ends, at least one of the terminal ends being a slot terminal end, the slot terminal end defining a through hole, the through hole having a length;

    at least one stent sleeve marker, the at least one stent sleeve marker having a length less than the length of the through hole, the marker having a first end and a second end, the first and second ends being open, the marker having a first portion, one of the slot terminal ends being disposed within each marker so that the marker is centered over the slot, the first portion of the marker being depressed into the through hole thereby engaging the maker to the slot terminal end anda plurality of longitudinal connectors extending between and connecting adjacent cylindrical bands.

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