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Instrument and method for milling a path into bone

  • US 20040158254A1
  • Filed: 01/07/2004
  • Published: 08/12/2004
  • Est. Priority Date: 02/12/2003
  • Status: Abandoned Application
First Claim
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1. A system for simultaneously removing portions of proximate endplates of adjacent vertebral bodies, the system comprising:

  • a guide member defining an extended opening extending therein, the guide member being configured to fit in a disc space between the two vertebral bodies;

    a bit member positioned within the opening of the guide member, the bit member including a superior cutting portion for cutting the end plate of a superior vertebral body, and an inferior cutting portion for cutting the end plate of an inferior vertebral body;

    a rotatable element operatively connected to the bit member to impart rotational movement to the superior and inferior cutting portions, and operatively connected to the guide member for moving the bit member along at least a portion of the extended opening.

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