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Ventricular cuff

  • US 9,981,077 B2
  • Filed: 11/04/2015
  • Issued: 05/29/2018
  • Est. Priority Date: 08/31/2012
  • Status: Active Grant
First Claim
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1. A cuff for attachment to a heart, the cuff comprising:

  • an attachment component configured to engage a blood pump to attach the cuff to the blood pump; and

    a sewing ring for attachment to the heart, the sewing ring being coupled to the attachment component, the attachment component and the sewing ring each defining a central opening configured to admit an inflow cannula of a blood pump, wherein;

    the sewing ring comprises two or more disc-shaped layers of fabric,the sewing ring comprises an insert disposed between the disc-shaped layers, the insert being more rigid than the disc-shaped layers,the insert has an inner perimeter, an outer perimeter, and a plurality of extensions that extend radially inward between the outer perimeter and the inner perimeter, andthe sewing ring comprises a member that provides rigidity to flatten a portion of a myocardium of the heart when the cuff is attached to the heart.

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