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Devices, systems and methods for heart valve replacement

  • US 10,702,380 B2
  • Filed: 08/21/2017
  • Issued: 07/07/2020
  • Est. Priority Date: 10/19/2011
  • Status: Active Grant
First Claim
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1. A method for replacement of a native mitral valve having an annulus and a plurality of leaflets, the method comprising:

  • positioning a prosthetic device between the plurality of leaflets in a collapsed configuration;

    allowing the prosthetic device to expand such that a retainer of the prosthetic device is in a subannular position between the plurality of leaflets in which the retainer engages tissue on or downstream of the annulus, wherein the retainer forms a ring having a diameter larger than a corresponding diameter of the annulus in the subannular position; and

    allowing a valve support to expand, at least a portion of the retainer being positioned at an upstream end of the valve support;

    wherein the upstream end of the valve support is radially inward from and longitudinally overlapping a portion of the retainer when the prosthetic device is in a deployed configuration; and

    wherein the valve support is mechanically isolated from the retainer such that radial deformation of the retainer when engaging the tissue does not substantially deform the valve support.

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