A spinal cage insert for a spinal cage is provided. The spinal cage insert has a shape suitable to be inserted into and fit closely in an interior of the spinal cage. The insert may comprise a member of the calcium phosphate family. The spinal cage insert may be made to a desired shape of porous ceramic,...http://www.google.fr/patents/US20050177237?utm_source=gb-gplus-shareBrevet US20050177237 - Spinal cage insert, filler piece and method of manufacturing
Spinal cage insert, filler piece and method of manufacturing