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Modular transcatheter heart valve and implantation method

  • US 9,072,604 B1
  • Filed: 12/08/2014
  • Issued: 07/07/2015
  • Est. Priority Date: 02/11/2014
  • Status: Active Grant
First Claim
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1. A heart valve replacement system, comprising:

  • a delivery catheter having a proximal end, a central lumen, and a distal end;

    a scaffold stent configured to fit over a portion of the delivery catheter proximate the distal end of the delivery catheter, the scaffold stent having a reduced delivery configuration and an expanded configuration;

    a valve support comprising a frame and a plurality of leaflets attached to the frame, the frame comprising a downstream end, an upstream end, and a plurality of struts extending axially from the frame, each strut having a retaining structure at the downstream end, the valve support having a reduced delivery configuration wherein the valve support is housed within the central lumen of the delivery catheter, wherein the valve support is located distal of the scaffold stent, and wherein the valve support is configured to be delivered independent of the scaffold stent; and

    a grasping member configured to operably attach to the retaining structures of the plurality of struts to compress the valve leaflets, and wherein the retaining structures couple together to form a spherical shape.

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