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Nitinol stent for hollow body conduits

  • US 5,147,370 A
  • Filed: 06/12/1991
  • Issued: 09/15/1992
  • Est. Priority Date: 06/12/1991
  • Status: Expired due to Term
First Claim
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1. A system for positioning in a hollow body organ an expendable stent having a first retention means formed on a first end of the stent and a second retention means formed on a second end of the stent comprising:

  • an elongated tube having a proximal end for placement into the hollow body organ, a distal end spaced from the proximal end, and a lumen extending through the tube from the proximal end to the distal end,said elongated tube having a first and second hole in the surface thereof, said first and second holes being separated from each other along the length of the tube and being located between the distal end and the promixal end of the tube, the holes extending from the exterior of the tube into the lumen and being sized so that the first retention means formed on the stent can be inserted through the first hole into the lumen and the second retention means formed on the stent can be inserted through the second hole into the lumen,a removable mandril extending through and enclosed within the lumen from at least the distal end to the proximal end of the tube, the mandril being sized to interlock with the first and second retention means on the stent which are positionable in the lumen of the tube.

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