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Prosthetic valve with ventricular tethers

  • US 8,900,295 B2
  • Filed: 09/25/2012
  • Issued: 12/02/2014
  • Est. Priority Date: 09/26/2011
  • Status: Expired
First Claim
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1. A device for treating a heart, comprising:

  • a prosthetic valve comprising a support frame and a valve portion, the valve portion comprising a plurality of leaflets secured to the support frame and configured to coapt to permit blood flow in a first direction through the valve portion and to prevent blood flow in a second direction through the valve portion, wherein the first direction is opposite to the second direction, wherein the support frame comprises a sewing ring configured to be sutured at least one to tissue of an annulus of a native heart valve;

    a plurality of locking clips embedded within the sewing ring of the heart valve;

    a plurality of tethers, each tether passing through one of the plurality of locking clips, wherein a distal end of each tether has a tissue anchor configured to be secured to heart geometry within a ventricular chamber of the heart, wherein each tether comprises a usable length from the respective locking clip support frame to the distal end; and

    a hollow hypotube we-assembled within each of the locking clips, wherein removing the hypotube from its respective locking clip causes the respective tether to be fixed within the locking clip, wherein each locking clip comprises an adjustment mechanism for the corresponding tether for altering the usable length of the tether.

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