针对枢椎侧方椎弓螺钉固定时确定进针点和进针方向困难的问题，通过导航仪寻找安全钉道。

To resolve the problem of the point and direction of the fixation of Axis lateral arch screw, using navigator finds the safe trajectory.

youdao

针对枢椎侧方椎弓螺钉固定时确定进针点和进针方向困难的问题，通过导航仪寻找安全钉道。

To resolve the problem of the point and direction of the fixation of Axis lateral arch screw, using navigator finds the safe trajectory.

youdao