Abstract
Objective To develop a novel cervical intervertebral body fusion cage - a biometerial cage, and to explore its biomechanics. Methods The fusion cage was made of an entire piece of fresh allograft cortical bone and cooled to try, having its specific shape and size.The magnitude of the load that the cage had to cany was measured by a Sweden biomechanical testing machine. The findings were compared with those from other medical literatures. Results The maximum load level of this biometerial cage was (5.860 ± 0.380)KN that was significantly different from that of the other cages using slices of autograph, tilium TFC, and ADFC(P<0.05). Conclusions The load that this biometerial cage can carry satisfies the need to support the initial stability of the reconstructed spinal column. Key words: Biometerial fusion cages; Cervical spine; Allograft; Biomechanics
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