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US 7,722,621 B2Granted
Laparoscopic spinal stabilization surgical method
AssigneeZimmer Spine, Inc.
InventorsStephen D. Kuslich, Douglas W. Kohrs
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Abstract
Spinal fusion implants are laparoscopically placed in a disc space separating two vertebrae. Implant tools, including distraction spacers, boring tools and implants, are passed through a cannula toward the disk space.
Claims1
A surgical method for laparoscopically implanting a spinal fusion implant into a disk space separating opposing end plates of a first vertebra and a second vertebra, said method comprising:
- placing a cannula for accessing the spine in alignment with the disk space;
- inserting a guide pin secured to a drill tube guide through the cannula into the disk space so that the guide pin abuts the opposing end plates and the axis of the guide pin is equidistant from the end plates;
- placing a drill tube through the cannula and over the drill tube guide;
- securing the drill tube to the first and second vertebrae;
- removing the guide pin and the drill tube guide through the drill tube while retaining the drill tube secured to the first and second vertebrae;
- securing the guide pin to a boring tool;
- inserting the guide pin secured to the boring tool through the drill tube;
- guiding the boring tool between the first and second vertebrae with the guide pin;
- and
- at least partially forming an implant bore with the boring tool.
7 more elements
Dependencies are inferred from the claim text.