Patent ID: 7892239

Claim:
A spinal spacer system comprising: an interbody spacer, said interbody spacer includes a proximal end, a distal end, and a rotatably coupleable engagement member disposed on said proximal end of said spacer; and an insertion instrument, said insertion instrument including a handle member, an extension member including a first and a second end, wherein said first end of said extension member is coupled to said handle member, a coupling device configured to selectively couple said interbody spacer to said second end of said extension member, said coupling device comprises a single protruding member extending from said second end of said extension member, said protruding member comprises a threaded member, an actuator configured to selectively actuate said coupling device at least one joint in said threaded member; and an adaptor member including a proximal edge and a distal edge, said proximal edge including at least one frictionally engaging member and said distal edge including a concave spacer receiving surface; wherein said threaded member passes through said adapter.