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System and method for cardiac valve repair and replacement

  • US 10,154,906 B2
  • Filed: 02/03/2017
  • Issued: 12/18/2018
  • Est. Priority Date: 07/17/2013
  • Status: Active Grant
First Claim
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1. A prosthetic mitral valve comprising:

  • an anchor assembly comprising a ventricular anchor, a central portion, and an atrial anchor, wherein the ventricular anchor and the atrial anchor are both formed of a plurality of arcuate portions, the anchor assembly configured to self-expand from a collapsed configuration to an expanded configuration, the anchor assembly configured to foreshorten when self-expanding from the collapsed configuration to the expanded configuration such that the prosthetic mitral valve obtains an expanded length L that is less than a length of the prosthetic mitral valve in the collapsed configuration, further wherein the ventricular anchor and the atrial anchor are configured to flare outward relative to the central portion when self-expanding from the collapsed configuration to the expanded configuration such that the prosthetic mitral valve obtains an outermost diameter D that is greater than an outermost diameter of the prosthetic mitral valve in the collapsed configuration; and

    a plurality of replacement leaflets secured to the anchor assembly;

    wherein a ratio of D to L is greater than or equal to 2.

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