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Prosthetic valve with leaflet connectors

  • US 9,987,132 B1
  • Filed: 01/23/2018
  • Issued: 06/05/2018
  • Est. Priority Date: 08/10/2016
  • Status: Active Grant
First Claim
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1. A method for use with a flexible sheet that, in an unfolded state of the sheet, defines a panel at a medial region of the sheet, a first tab portion disposed peripherally to the panel, and a second tab portion disposed peripherally to the panel opposite the first tab portion, the method comprising:

  • sandwiching, between the first tab portion and the second tab portion, (i) a first commissural portion of a first prosthetic leaflet, and (ii) a second commissural portion of a second prosthetic leaflet;

    attaching the first tab portion and the second tab portion to the flexible sheet by stitching a first stitching through the first tab-portion, the first commissural portion, the second commissural portion, and the second tab-portion;

    subsequently, covering the first stitching by;

    folding the first tab portion back against itself to form the first tab portion into a first tab having first-tab outer layer and a first-tab inner layer, such that the first-tab inner layer is sandwiched between the first-tab outer layer and the first commissural portion, andfolding the second tab portion back against itself to form the second tab portion into a second tab having a second-tab outer layer and a second-tab inner layer, such that the second-tab inner layer is sandwiched between the second-tab outer layer and the second commissural portion; and

    subsequently, stitching a second stitching through the first-tab outer layer, the first-tab inner layer, the first commissural portion, the second commissural portion, the second-tab inner layer, and the second-tab outer layer.

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