Cutter for long-arm head of spinal pedicle screw

A cutter for the long arm head of a pedicle screw according to the present invention has a rod having a predetermined length and a curved surface corresponding to the long arm head of a pedicle screw, which extends from the rod and has a curved surface and allows easy grip of the inside and outside of the long arm head, thereby allowing a user to easily grip the long arm head of a pedicle screw and to easily remove the long arm head, and minimizing invasion without loss in a human body.