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LATERAL VERTEBRAL LUMBAR PLATE SYSTEM WITH INTEGRATED ROTATIONAL CONTROL MECHANISM FOR SCREW RETENTION
LATERAL VERTEBRAL LUMBAR PLATE SYSTEM WITH INTEGRATED ROTATIONAL CONTROL MECHANISM FOR SCREW RETENTION
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机译:具有集成旋转控制机构的侧面椎骨腰板系统,用于螺杆保留
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摘要
A plate system includes a retention cap and a plate. The retention cap includes a head with tangs and a shank. The shank includes protrusions at an end of the shank and relief cut-outs clocked relative to the protrusions. The plate includes screw holes and a locking feature. The locking feature includes an assembly guide adapted to guide the shank and features thereof into the locking feature, locking detents distal to the top surface of the plate and adapted to receive the protrusions and interfere with rotational movement of the retention cap, and a retainer positioned axially between the assembly guide and the locking detents. The retainer is adapted to prevent axial movement of the retention cap. The locking feature is adapted to hold the retention cap with the tangs overlapping the screw holes and with the tangs not overlapping the screw holes.
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