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Anterior spinal instrumentation and method for implantation and revision

  • US RE37,005 E
  • Filed: 01/19/2000
  • Issued: 12/26/2000
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. An apparatus for removal of a fusion implant in the disc space between adjacent vertebrae, comprising:

  • a guide member having an elongated shaft and an engagement end having means for engaging the fusion implant within the disc space to permit removal of the implant from the disc space by the guide member; and

    a cylindrical trephine concentrically disposed about said guide member, said trephine having a cutting end adjacent said engagement end of said guide member, said cutting end defining teeth for cutting a core of bone from the the adjacent vertebrae surrounding the fusion implant.

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