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Tissue fixation devices and methods

  • US 10,524,912 B2
  • Filed: 04/02/2015
  • Issued: 01/07/2020
  • Est. Priority Date: 04/02/2015
  • Status: Active Grant
First Claim
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1. A tissue gripping device comprising:

  • a flexible member formed from a shape-memory material, the flexible member comprising a base section and an arm, the arm having a first end connected to the base section, a free end extending away from the base section, and an attachment surface disposed between the first end and the free end;

    at least one tissue gripping member formed from a second material, the second material being more rigid than the shape-memory material, the tissue gripping member comprising a mating surface coupled to the attachment surface of the arm to join the tissue gripping member to the flexible member, and a tissue gripping surface disposed opposite the mating surface, the tissue gripping surface including a frictional element configured to resist movement of tissue away from the tissue gripping surface after a tissue has contacted the tissue gripping surface, the frictional element being formed as a plurality of raised barbs disposed along a side edge of the tissue gripping member, and wherein the tissue gripping member includes a plurality of slotted recesses disposed along the side edge at sections adjacent to the raised barbs; and

    at least one suture line encircling at least a portion of the tissue gripping member and at least a portion of the arm, the suture line being configured to fasten the tissue gripping member to the arm, the suture line passing through and lodging within one or more of the slotted recesses as it encircles the tissue gripping member and the arm.

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