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Replacement cardiac valves and methods of use and manufacture

  • US 10,433,953 B2
  • Filed: 08/04/2017
  • Issued: 10/08/2019
  • Est. Priority Date: 12/09/2014
  • Status: Active Grant
First Claim
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1. A replacement mitral valve, comprising:

  • an anchor frame extending along a longitudinal axis comprising;

    a flared ventricular anchor having a first plurality of interconnected arcuate portions extending around an outer perimeter thereof;

    a flared atrial anchor having a first frame and a separate second frame, the first frame having a second plurality of interconnected arcuate portions extending around an outer perimeter of the flared atrial anchor, the second frame having a third plurality of interconnected arcuate portions extending around the outer perimeter of the flared atrial anchor, wherein there are more arcuate portions in the first plurality than in each of the second plurality and third plurality, and wherein the flared ventricular anchor is stiffer than the flared atrial anchor in a direction parallel to the longitudinal axis; and

    a central portion, the flared ventricular anchor and the flared atrial anchor flared radially outward relative to the central portion when the replacement valve is in an expanded configuration;

    a strut frame attached to the anchor frame; and

    a plurality of leaflets attached to the strut frame;

    wherein the replacement mitral valve is configured to self-expand from a collapsed configuration to the expanded configuration.

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