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Interspinous process apparatus and method with a selectably expandable spacer

  • US 7,306,628 B2
  • Filed: 10/14/2003
  • Issued: 12/11/2007
  • Est. Priority Date: 10/29/2002
  • Status: Active Grant
First Claim
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1. An implant adapted to be placed between spinous processes comprising:

  • a body having a shaft extending therefrom;

    a spacer rotatably mounted on the shaft that is adapted to fit between spinous processes, the spacer including a first portion and a second portion; and

    a threaded screw rotatably mounted on the shaft between the first portion and second portion; and

    an actuatable spreading device rotatably mounted on the threaded screw to adjust the height of the spacer in order to adjust the spacing between the spinous processes.

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