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Percutaneously implantable replacement heart valve device and method of making same

  • US 8,790,398 B2
  • Filed: 12/20/2013
  • Issued: 07/29/2014
  • Est. Priority Date: 01/04/2002
  • Status: Expired due to Fees
First Claim
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1. A percutaneously implantable replacement heart valve for implantation in a patient, comprising:

  • a stent member having an inner channel, the stent member collapsible, expandable and configured for percutaneous delivery, wherein the stent member includes a tubular structure away from its central portion that flares at both ends in a trumpet-like configuration; and

    a valve means residing entirely within the inner channel of the stent member, the valve means including an outer cuff layer and two to four individual leaflets, wherein each of the two to four individual leaflets is rectangular in shape in side elevation view, wherein each of the two to four individual leaflets is bounded by lengthwise-oriented lines of sutures, wherein a crease is located between the two to four individual leaflets and the outer cuff layer at a base of the two to four individual leaflets, and wherein after implantation in the patient, the valve means resides as a single element entirely within the inner channel of the stent member, and wherein only the two to four individual leaflets reside radially inward from the outer cuff layer.

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