An interbody fusion device in one embodiment includes a tapered body defining a hollow interior for receiving bone graft or bone substitute material. The body defines exterior threads which are interrupted over portions of the outer surface of the device. The fusion device defines truncated side walls...http://www.google.es/patents/US7238186?utm_source=gb-gplus-sharePatente US7238186 - Interbody fusion device and method for restoration of normal spinal anatomy
Interbody fusion device and method for restoration of normal spinal anatomy
