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Devices, systems, and methods for retaining a native heart valve leaflet

  • US 8,142,494 B2
  • Filed: 04/23/2009
  • Issued: 03/27/2012
  • Est. Priority Date: 09/20/2000
  • Status: Expired due to Term
First Claim
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1. An implant that retains a native heart valve leaflet within a heart chamber to resist retrograde flow comprising:

  • a scaffold sized and configured to rest adjacent all or a portion of a native heart valve annulus, at least a portion of the scaffold defining a pseudo-annulus and including a retaining structure near or within the pseudo-annulus that is sized and shaped to overlay at least a portion of one or more native valve leaflets,the scaffold further including spaced-apart struts sized and configured to contact tissue near or within the heart valve annulus to brace the retaining structure to resist leaflet eversion and/or prolapsed, andan auxiliary structure to orient and stabilize the scaffold with the heart chamber, the auxiliary structure comprising a framework that rises above the scaffold including two substantially parallel arched wires that connect to form a semicircular hoop above the scaffold to position the scaffold within the heart chamber, the framework being compliant to contract with the heart chamber.

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