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Transcatheter valve stent anchors

  • US 9,597,180 B2
  • Filed: 01/27/2014
  • Issued: 03/21/2017
  • Est. Priority Date: 02/20/2013
  • Status: Active Grant
First Claim
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1. A stent for use with a prosthetic heart valve for replacement of a native valve, the stent comprising:

  • an expandable stent body having a collapsed configuration and an expanded configuration, the stent body including a plurality of struts forming a plurality of closed cells, and at least one anchor feature formed integrally with the stent body, the anchor feature having a first end coupled to a first portion of one of the closed cells and a second end coupled to a second portion of the one closed cell so that no portion of the anchor feature overlaps in a radial direction of the stent body with any of the struts forming the plurality of closed cells, the anchor feature further including an engagement portion adapted to engage a surface in the heart,wherein in the expanded configuration of the stent body the first end and the second end of the anchor feature are spaced apart by a first distance and in the collapsed configuration of the stent body the first end and the second end of the anchor feature are spaced apart by a second distance less than the first distance.

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