Spine temporarily fixed instrument and the spinal provisional fixation device unit

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spinal fixation device (such as a pedicle screw or the like) capable of properly inserting a spinal fixation device while protecting nerve tissue by suppressing bending of the spinal column 1) and a spinal temporary fixation device unit. In order to achieve the above object, a spinal temporary fixation device (1) according to the present invention comprises a spinal fixation auxiliary member (40) formed in an elongated shape and having flexibility, a plurality of spines (50) A temporary spinal fixation device (1) for provisionally fixing a spine (50) by nipping a spinal fixation auxiliary member (40) in a state of being arranged along a projection (51), comprising: a spinal fixation auxiliary member (40), a fixing portion for fixing the relative movement of the holding portion, and a releasing portion for releasing fixation of relative movement by the fixing portion.