Methods and instruments for preparing a disc space and for forming interbody devices therein are provided. The instruments include distractors having enlargeable portions positionable in the disc space for distracting the disc space. The enlargeable portions can also provide form about or against which...http://www.google.com/patents/US20040106999?utm_source=gb-gplus-sharePatent US20040106999 - Methods and devices for interbody spinal stabilization
