A surgical tool to force a longitudinal spinal rod to the inside of a bone fixator

摘要

A surgical tool to force a longitudinal spinal rod to the inside of a bone fixator. A surgical instrument is provided for forcing a longitudinal spinal element for the interior of a bone fixator.The surgical instrument may include a set of support for engaging a bone fastener, the holder assembly preferably comprising a pair of elements connected to the pivoting, and arranged in a configuration like scissors, and a reduction mechanism to move the rod. Spinhal in relation to the fixator of bone.The reduction mechanism including a rod contact element and a support structure exterior that has an opening to accommodate at least a portion of the holder assembly and a cavity to accommodate at least a portion of a vertical drive mechanism is dimensioned and Co. Nfigurado to pick up in tapping the holder assembly.The holder assembly preferably includes a pair of ganas, each having an extension formed on it to pick up a recess formed in the side walls of the side of the fixator of bone, so that the holder assembly can engage the bone fastener without extending to the interior of the channel conf Ormado in U.Most preferably, the claws can be sized and configured to engage only one of the side walls formed on the head of the fixator of bone. The surgical instrument may also include a mechanism for horizontal drive to align a spinal rod laterally displaced in relation to the fixator of bone.