Methods and instrumentation for spinal interbody fusion are disclosed. The instruments and methods are particularly adapted for interbody fusion in an unreamed disc space. One instrument is a distractor assembly including a first distractor and a second distractor configured to be inserted in side-by-side...http://www.google.ca/patents/US6723096?utm_source=gb-gplus-sharePatent US6723096 - Devices and methods for implanting fusion cages
