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Apical closure system

  • US 9,526,483 B2
  • Filed: 07/11/2011
  • Issued: 12/27/2016
  • Est. Priority Date: 07/15/2010
  • Status: Active Grant
First Claim
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1. An apparatus for closing an apical hole in a heart of a subject, the apparatus comprising a hole-closure device that comprises:

  • a tissue-attachment portion configured to attach to cardiac tissue around an apical hole;

    a ring-shaped collapsible portion coupled to the tissue-attachment portion and being at least partially formed from a shape-memory material to be configured to close the apical hole by collapsing inwardly to assume a collapsed state from an expanded state; and

    a sealing material disposed within an interior of the collapsible portion and configured to seal a center of the collapsible portion when the collapsible portion is in the collapsed state,wherein collapse of the collapsible portion causes collapse of the tissue-attachment portion, andwherein collapse of the tissue-attachment portion is configured to draw the cardiac tissue together and in conjunction with the sealing material disposed within the interior of the collapsible portion is configured to close the apical hole.

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