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Assemblies for provision of therapy to motion segments

  • US 8,328,847 B2
  • Filed: 08/06/2010
  • Issued: 12/11/2012
  • Est. Priority Date: 12/03/2002
  • Status: Expired due to Fees
First Claim
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1. A spinal device assembly, the spinal device assembly comprising a distal component and a proximal component,the distal component comprising:

  • an elongate body with at least one external thread for engagement with at least one vertebral body;

    a distal end; and

    a proximal end adapted to engage a distal end of the proximal component; and

    the proximal component comprising;

    an elongate body with at least one external thread for engagement with at least one vertebral body;

    a distal end adapted to engage the proximal end of the distal component;

    a proximal end adapted to engage a removable driver that rotates and axially advances the proximal component so that the distal end of the proximal component engages the proximal end of the distal component to impart axial force to the distal component thereby imposing distraction of an intervertebral disc space.

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