Hinge barb type intervertebral fusion device capable of opening regution

The utility model relates to a mew unfolded hinge agnail intervertebral Depuy Acromed and characterizes in hinge agnail intervertebral Depuy Acromed and unfolded bolt composition. The hinge agnail intervertebral Depuy Acromed is closed, articulated and continuous jointed with the front open .Both sides or one side has agnail. In the middle of the Depuy Acromed is a detect area for transplant graft. The sides of the center cut of the front of the Depuy Acromedis is the entrance for the tapering or trapezoid boltor holder with fenestrate. The utility model is of proper design and easy to operate and enhances the depth of the pricking into the intervertebral though the tapering bolts. The utility model has a perfect stability and braking effect and can immediately revert the former height and physiological curve degree of the intervertebral to guarantee the healing effect and the intervetrtebral Depuy Acromed will not roll out forward or backward. The utility model can be used widely in spine surgery clinical medical cases including the cervical vertebra, the thoracic vertebra and lumbar.