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Stent for the positioning and anchoring of a valvular prosthesis

  • US 8,465,540 B2
  • Filed: 02/23/2011
  • Issued: 06/18/2013
  • Est. Priority Date: 02/26/2008
  • Status: Active Grant
First Claim
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1. An expandable stent for the positioning and anchoring of a valvular prosthesis in an implantation site, the stent comprising:

  • a plurality of positioning arches configured to be positioned within a plurality of pockets of a native heart valve and positioned on a first side of a plurality of native heart valve leaflets, a plurality of retaining arches configured to be positioned on a second side of the plurality of native heart valve leaflets opposite the first side, and a plurality of radial arches, each radial arch substantially circumferentially aligned with one of the plurality of positioning arches, wherein respective arms of each of the plurality of retaining arches include a plurality of bending edges, each of the plurality of bending edges defining a bending point between two adjacent arm segments.

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