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Spinal fixation tool attachment structure

  • US 20060069391A1
  • Filed: 11/10/2005
  • Published: 03/30/2006
  • Est. Priority Date: 02/27/2004
  • Status: Active Grant
First Claim
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1. In the combination of a bone attachment structure having a receiver and a tool having receiver attachment structure at a lower end thereof that is operably mateable with the receiver;

  • the improvement comprising;

    a) the receiver having a top, a bottom, and an undercut first surface projecting downwardly toward the bottom;

    b) the tool lower end having a projection with a second surface for mechanical overlapping and interlocking mating with the first surface; and

    c) the first and second surfaces being sized, shaped and positioned to provide for anti-splay arrangement of the tool with respect to the receiver when the second surface is aligned with the undercut first surface of the receiver.

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