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Heart valve replacement

  • US 8,764,818 B2
  • Filed: 07/19/2012
  • Issued: 07/01/2014
  • Est. Priority Date: 07/20/2011
  • Status: Active Grant
First Claim
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1. A prosthetic heart valve comprising:

  • a stent having an outer cross-sectional area, the stent radially expandable to an expanded, unstressed state; and

    a plurality of leaflets, each leaflet comprisinga coaptation portion movable relative to respective coaptation portions of the other leaflets,an arcuate edge having a first end and a second end, the arcuate edge coupled to the stent, anda belly extending from the arcuate edge to an axis defined by the first and second ends of the arcuate edge, wherein the ratio of the surface area of the belly to the outer cross-sectional area of the stent in the expanded, unstressed state is about 0.09 to about 0.16.

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