Importance

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Abstract

The system and method of the invention includes surgical instrumentation to enable a spine fusion procedure to proceed more accurately, efficiently and safely by allowing precision placement of an intervertebral implant, precision preparation of the area into which the bone graft is placed, and pre-selection of a pre-specified known shape of bone graft. In the order in which they are used, improvements in a distractor, box chisel, curette, an anterior or anterolateral type intervertebral cylindrically directed or peripheral rasp, intervertebrally operated vertebral bone plate shaping rasp, or roughing combination rasp, and an intervertebral sizing tool; any combination of which may be anatomically shaped. Several embodiments of bone graft implants are disclosed including annular flat surface implants having angled surfaces, implants having line slots to help in the insertion and orientation on insertion and in registering the implant with an impactor; any combination of which may be anatomically shaped or not. Two improved impactor embodiments and an improved curette are disclosed.

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First Claim