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Cannula stent

  • US 6,743,252 B1
  • Filed: 12/16/1999
  • Issued: 06/01/2004
  • Est. Priority Date: 12/18/1998
  • Status: Expired due to Term
First Claim
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1. A cannula stent (10), comprising:

  • at least one flexible segment (11) having a plurality of struts (14) extending in pairs from bights (15), the struts of a said pair converging toward each other at respective distal ends thereof when the stent is unexpanded to join respective bights (15) of adjacent strut pairs, continuously about the stent circumference;

    at least one hoop segment (12) having a plurality of struts (16) extending in parallel in pairs from bights (17,19) when the stent is unexpanded; and

    said at least one flexible segment (11) is joined to least one hoop segment (12) by axial tie bars (21,22) extending from certain ones of bights (15) of said flexible segment (11) to certain ones of said bights (19) of said hoop segment (12), with said axial tie bars (21,22) being disposed between paired adjacent ones of parallel struts (16) in said hoop segment (12).

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