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Leaflet abrasion mitigation

  • US 10,321,990 B2
  • Filed: 02/06/2017
  • Issued: 06/18/2019
  • Est. Priority Date: 03/21/2014
  • Status: Active Grant
First Claim
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1. A prosthetic heart valve, comprising:

  • a stent extending in a longitudinal direction and having a plurality of commissure features;

    a valve assembly secured to the stent, the valve assembly including a cuff and a plurality of leaflets, each of the leaflets having a pair of attachment regions for coupling to the plurality of commissure features, and a free edge extending between the attachment regions; and

    a plurality of deflection features coupled to the attachment regions of the leaflets to prevent the free edges of the leaflets from contacting at least one of the stent, the cuff and a calcium nodule when the leaflets are in an open position,wherein each of the plurality of deflection features includes a continuous elongated tab, wherein the elongated tab is folded along a first fold line extending along a first axis and then folded along a second fold line extending along a second axis transverse to the first axis.

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