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Flexible self-expandable stent and method for making the same

  • US 6,027,525 A
  • Filed: 05/23/1997
  • Issued: 02/22/2000
  • Est. Priority Date: 05/23/1996
  • Status: Expired due to Fees
First Claim
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1. A flexible self-expandable stent, comprising:

  • a plurality of radially elastic cylindrical units, each of the radially elastic cylindrical units being in an opened zig-zag configuration having a series of straight sections joined by bends in a cylindrical shape, and one straight end section and another straight end section of each of the radially elastic cylindrical units being adjacent and in contact with each other to provide overlapping end sections; and

    a cylindrical cover fixing member for sheathing and fixing the radially elastic cylindrical units;

    wherein the radially elastic cylindrical units are fixed by and disposed on the cylindrical cover fixing member such that adjacent ends of each radially elastic cylindrical unit are spaced at predetermined intervals along the longitudinal axis of the cylindrical cover fixing member.

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