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Tool for bone fixation device

  • US 7,686,807 B2
  • Filed: 03/01/2004
  • Issued: 03/30/2010
  • Est. Priority Date: 03/22/2001
  • Status: Expired due to Fees
First Claim
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1. A method of fixing a first piece of bone to a second piece of bone comprising the steps of:

  • providing a pin having at least one laterally moveable distal anchor and a lumen extending therethrough;

    advancing the distal anchor through the first piece of bone and into the second piece of bone while the distal anchor is permitted to move laterally inwardly as needed;

    gripping with a deployment tool a proximal portion of a wire that extends axially through the lumen; and

    proximally retracting with the deployment tool the wire axially through the lumen such that a distal portion of the wire resists radial inward deflection of the distal anchor, thereby locking the distal anchor with respect to lateral inward movement;

    wherein the step of proximally retracting with the deployment tool the wire axially through the lumen comprises moving an outer body of the deployment tool with respect to a central body of the deployment, tool; and

    wherein the step of moving the outer body of the deployment tool with respect to the central body of the deployment tool comprises one way ratchet-type motion.

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