Patent ID: 8579982

Claim:
An interbody spinal implant comprising: a body having an upper portion and a lower portion, said upper portion having a first arcuate portion, a second arcuate portion, and a non-arcuate portion separating said first and second arcuate portions, each of said arcuate portions including a plurality of recesses, a first end, and a second end, at least one of said ends being open; and first and second rotatable shafts positioned at least in part within said first and second arcuate portions, respectively, each of said first and second rotatable shafts having an axis of rotation, each of said rotatable shafts including a plurality of spaced-apart bone engaging projections positioned midway between said first and second ends, said first and second rotatable shafts each being rotatable from an undeployed position wherein said bone engaging projections are positioned at least in part within said body of the implant to a deployed position wherein said bone engaging projections are positioned at least in part outside of said body of the implant, said bone engaging projections extending through respective ones of said recesses and into bone when in the deployed position.