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Implantable devices for controlling the internal circumference of an anatomic orifice or lumen

  • US 8,882,830 B2
  • Filed: 07/26/2007
  • Issued: 11/11/2014
  • Est. Priority Date: 08/29/2002
  • Status: Active Grant
First Claim
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1. An adjustable implantable device for adjusting the dimensions of an anatomic orifice or lumen in a mammalian body, comprising:

  • an adjustable prosthetic implant device configured to have an annular dimension adjustable from a first dimension to one of a range of second dimensions, the prosthetic implant device having a rotatable adjustable member configured to be releasably attached to an adjustment tool, the adjustable member including a first gear having a first rotational axis and a second gear having a second rotational axis engaged with the first gear, wherein the first rotational axis traverses the second rotational axis, the prosthetic implant device configured to be attached to tissue within a mammalian body adjacent the anatomic orifice or lumen; and

    an adjustment tool configured to activate rotation of the first and second gears of the adjustable member upon attachment to the second gear for adjustment of the prosthetic implant device from the first dimension to one of the range of second dimensions;

    the adjustment tool being operative to initiate adjustment of the annular dimension of the prosthetic implant device over the range from the first dimension to the second dimensions in situ by rotation of the adjustable member; and

    wherein the adjustment tool is detachable from the second gear of the prosthetic implant device after adjustment thereof and is withdrawable from within the mammalian body.

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