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Flat wire stent

  • US 5,993,482 A
  • Filed: 06/30/1997
  • Issued: 11/30/1999
  • Est. Priority Date: 01/04/1996
  • Status: Expired due to Term
First Claim
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1. A cylindrical stent which is designed to provide superior expansion characteristics within a corporeal lumen comprising a plurality of flat wires extending generally longitudinally along the length of the stent to form a cylindrical stent having an outer surface, each flat wire having a rectangular cross-section with flat wide sides and narrow edge sides, each flat wire comprising at least two limb elements;

  • each limb element comprising two curved portion segments having opposite directions of curvature, an intermediate straight mid-portion segment connecting the two curved portion segments and a short-straight segment connected to each curved portion segment at each end of each limb element;

    each short-straight segment of each limb element being joined to the adjacent short-straight segment of a limb element of an adjacent flat wire to form the cylindrical stent surface;

    the flat wide sides of each flat wire being radially perpendicular to the cylindrical stent surface.

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