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Actively-engageable movement-restriction mechanism for use with an annuloplasty structure

  • US 9,561,104 B2
  • Filed: 01/14/2013
  • Issued: 02/07/2017
  • Est. Priority Date: 02/17/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • providing an implant;

    shaped so as to define a lumen therethrough and a flexible strip disposed at least in part within the lumen of the implant, the strip having;

    a first end,a second end, anda plurality of recesses, andincluding a locking mechanism to which the first and second ends of the strip are coupled such that the strip defines a closed loop and a perimeter thereof which (a) shortens when the first end is advanced through the locking mechanism in a first direction and (b) expands when the first end is advanced in a second direction opposite the first direction;

    advancing the first end of the strip in first and second opposing directions with respect to the second end of the strip;

    maintaining a recess-engaging portion in a position in which the recess-engaging portion is not disposed in any of the plurality of recesses during the advancing; and

    restricting the advancing by facilitating active positioning of the recess-engaging portion in one of the plurality of recesses.

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