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Mitral valve spacer and system and method for implanting the same

  • US 9,289,297 B2
  • Filed: 03/15/2013
  • Issued: 03/22/2016
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. An implant, comprising:

  • a balloon spacer assembly, the balloon spacer assembly comprising;

    a balloon spacer defining a spacer cavity configured to be expanded from a deflated condition to an expanded condition with a filling fluid; and

    a balloon filling valve disposed within and fluidly coupled to said spacer cavity,wherein said balloon filling valve is configured to be fluidly coupled to a source of said filling fluid and to selectively allow the introduction and withdrawal of said fluid into and out of said spacer cavity;

    wherein said balloon filling valve comprises a valve sheath, a valve wire, and a central tube comprising a lumen, an outer wall including a proximal opening and a distal opening there through;

    the central tube coupled to a proximal and distal portion of said balloon spacer such that said spacer cavity is defined around said central tube;

    the valve sheath disposed around said central tube, the valve sheath configured to resiliently engage an outer surface of said central tube; and

    the valve wire extending through said proximal opening and comprising a tip, the valve wire configured to selectively seal and unseal said balloon filling valve depending on the location of the tip relative to a distal edge of said valve sheath.

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