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Methods and apparatus for regulating the flow of matter through body tubing

  • US 20060293759A1
  • Filed: 06/21/2006
  • Published: 12/28/2006
  • Est. Priority Date: 05/24/2001
  • Status: Abandoned Application
First Claim
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1. An apparatus for reducing the diameter of a portion of a biological passage, said passage having a wall, said apparatus comprising:

  • a polymeric body having a bore, said bore defining a central axis, at least a portion of said body configured to move from a first position to a second position, said second position at a greater distance from said axis than said first position, said portion having an outer peripheral surface; and

    a metal anchor coupled to said portion, said anchor having a tip;

    wherein;

    said tip moves away from said outer peripheral surface when said portion moves from said first to said second position; and

    said anchor is configured to pull said wall toward said axis when said portion moves from said second position toward said first position.

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