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Devices useful for implantation at a heart valve

  • US 9,949,824 B2
  • Filed: 12/19/2014
  • Issued: 04/24/2018
  • Est. Priority Date: 08/03/2001
  • Status: Expired due to Term
First Claim
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1. A prosthesis for implantation at a native semilunar valve site of a subject, the valve site having three semilunar sinuses and three native commissures, the prosthesis comprising:

  • a valve prosthesis support structure comprising;

    a carrier structure configured to carry prosthetic valve leaflets, andexactly three engagement arms that meet one another at three respective junctures, wherein the engagement arms are shaped so as to define three peak complexes at the three respective junctures, and three trough complexes, each of which is between two of the peak complexes,wherein in an implanted position of the prosthesis;

    each of the engagement arms is configured to be at least partially disposed within a respective one of the semilunar sinuses, such that each of the peak complexes is disposed distal to a respective one of the native commissures, and each of the trough complexes is disposed at least partially within the respective one of the semilunar sinuses, andthe prosthesis is configured such that the native valve leaflets are configured to be positioned between the carrier structure and the engagement arms.

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