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Bone cutting device and method for use thereof

  • US 7,399,303 B2
  • Filed: 08/20/2002
  • Issued: 07/15/2008
  • Est. Priority Date: 06/10/1993
  • Status: Expired due to Fees
First Claim
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1. A bone-cutting device adapted for use in forming an implantation space in between and at least in part into two adjacent vertebral bodies where adjacent a disc space formed by the removal of disc material from a disc between the adjacent vertebral bodies of a human spine, said bone-cutting device comprising:

  • a shaft having a longitudinal axis, a distal end, and a proximal end;

    a cutting portion on said shaft having a height transverse to the longitudinal axis of said shaft and at least two opposed forward facing sharpened cutting surfaces adapted to cut bone from each of the adjacent vertebral bodies; and

    a forward projecting portion on said cutting portion, said forward projecting portion being adapted to urge apart the adjacent vertebral bodies, said forward projecting portion having a height transverse to the longitudinal axis of said shaft, the height of said forward projecting portion being approximately the height of a restored disc space between the adjacent vertebral bodies and being less than the height of said cutting portion.

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