An implant is disclosed for use in spinal stabilization. In one preferred embodiment, the implant is described as including a hollow, cylindrical body having external threading and a plurality of openings formed radially through the body in communication with the body interior. The holes are positioned...http://www.google.de/patents/US6287343?utm_source=gb-gplus-sharePatent US6287343 - Threaded spinal implant with bone ingrowth openings
