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PERCUTANEOUS HEART VALVE PROSTHESIS

  • US 20170296339A1
  • Filed: 07/06/2017
  • Published: 10/19/2017
  • Est. Priority Date: 03/11/2004
  • Status: Active Grant
First Claim
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1. A percutaneous mitral valve prosthesis comprising:

  • a valve body having a first end, a second end, a longitudinal axis, and a blood flow passage extending along the longitudinal axis between the first end and the second end, the valve body collapsible about the longitudinal axis to fit within a catheter for delivery, the valve body tapered in an uncollapsed state with the first end sized to pass through a mitral valve orifice and the second end sized to not pass through the mitral valve orifice, the valve body including a valve body frame comprising nitinol;

    a flexible skirt comprising polyester, the flexible skirt extending around a periphery of the valve body, the flexible skirt dimensioned for blocking blood flow between the valve body and native mitral valve tissue,a one-way valve secured to the valve body frame, the one-way valve including a plurality of flexible valve leaflets around the blood flow passage, the flexible valve leaflets comprising pericardial material;

    an anchor device having a plate-like configuration suitable for anchoring the valve body against migration;

    three lines, a first end of each of the three lines secured to the first end of the valve body, and the second ends of the three lines converging; and

    an anchor line comprising secured to and extending between the second ends of the three lines and the anchor device, the anchor line comprising a flexible wire or cord.

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