发明授权
US09526620B2 Zero profile spinal fusion cage 有权
零轮廓脊柱融合笼

Zero profile spinal fusion cage
摘要:
An interbody fusion cage having upper and lower canals for receiving the heads of bone screws that have been pre-installed in opposing vertebral body endplates. The proximal wall of the cage preferably has a vertical slot that communicates with each canal and is adapted to allow access by a screwdriver and tightening of the screws.
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