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, and it may include channels and/or surface features.
Various shapes of filler pieces are also provided, wherein the filler
pieces may be suitable to augment external regions of vertebrae which
have been fused to each other so as to promote build-up of bone. The
spinal cage insert and/or the filler pieces may be osteoconductive and
may also contain osteoinductive substances or material. The articles may
also contain cavities suitable for containing particles of demineralized
bone matrix (DBM). Methods of use and methods of manufacturing the spinal
cage insert and filler pieces are also provided.
