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Suture-securing for cardiac valve repair

  • US 10,206,673 B2
  • Filed: 09/16/2016
  • Issued: 02/19/2019
  • Est. Priority Date: 05/31/2012
  • Status: Active Grant
First Claim
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1. Apparatus for use with one or more sutures, the apparatus comprising a suture-securing device, which comprises:

  • a casing, which is shaped to define a first cutting edge, a cavity, and two openings in the casing at opposite ends of the casing, wherein the one or more sutures are disposable through the two openings; and

    a core, which is (a) disposed in the cavity, and (b) shaped to define a second cutting edge and a lumen, wherein the one or more sutures are disposable in the lumen,wherein the suture-securing device is configured;

    (i) to have an unlocked configuration in which the one or more sutures are disposable within and slidable through the two openings and the lumen, and a locking configuration in which the one or more sutures are inhibited from sliding through the two openings and the lumen,(ii) to be movable from the unlocked configuration to the locking configuration, such that, when the one or more sutures are disposed within the two openings and the lumen, and the suture-securing device moves from the unlocked configuration to the locking configuration, the suture-securing device (1) cuts entirely through the one or more sutures at a cutting site of the suture-securing device by pushing the one or more sutures against the first and the second cutting edges, and (2) becomes fixedly coupled to the one or more sutures at a coupling site of the suture-securing device, and(iii) to be suspended along the one or more sutures in the locking configuration with the opposite ends of the casing disposed entirely within a body of a patient.

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