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Spinal Rod Reducer and Cap Insertion Apparatus

  • US 20090157125A1
  • Filed: 02/14/2008
  • Published: 06/18/2009
  • Est. Priority Date: 02/14/2007
  • Status: Active Grant
First Claim
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1. An apparatus for shifting a spinal rod into a coupling assembly and securing the rod to the coupling assembly with a cap member, comprising:

  • a) a reducer assembly having a central axis, the reducer assembly having;

    a clamp portion for clamping the coupling assembly to the reducer assembly; and

    a reducing member for shifting the spinal rod into the coupling assembly;

    b) a cap inserter having a shiftable drive member to drive the cap member into the coupling assembly to lock the rod with respect to the coupling assembly;

    c) a throughbore of the reducer assembly into which the cap inserter drive member extends; and

    d) a releasable coupling between the reducer assembly and the cap inserter to allow the reducer assembly to first reduce the spinal rod prior to coupling of the cap inserter to the reducer assembly, and thereafter allowing the position of a portion of the cap inserter to be fixed into position with respect to the throughbore of the reducer assembly via the releasable coupling to drive the cap member into the coupling assembly for locking of the rod therein.

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