SPINAL ROD INSERTION INSTRUMENT

摘要

A surgical instrument for urging a longitudinal spinal member into a bone fastener. The surgical instrument may include a holder assembly for engaging a bone fastener, the holder assembly preferably comprising a pair of pivotably connected members arranged in a scissor type configuration, and a reducing mechanism including a rod contacting member and an outer support structure having an opening for receiving at least a portion of the holder assembly and a cavity for receiving at least a portion of the vertical drive mechanism which is sized and configured to threadably engage the holder assembly. The surgical instrument may further include a horizontal drive mechanism for aligning a laterally offset spinal rod with respect to the bone fastener.