For thoracic screw placement, a mini-laminotomy technique was used, inserting a spatula inside the ertebral canal to palpate the borders of the pedicle.

• 在胸椎椎弓根螺钉置入中，应用了小的椎板切开技术，通过刮勺在椎管中探查椎弓根边缘。