Fixture for pedicle screw

The utility model discloses a clamp for pedicle screws, which comprises a base, a fixed base plate, a rotary cylinder and a movable cylinder, the fixed base plate is arranged on the base, the fixed base plate is used for accommodating long-tail screw seats of the pedicle screws side by side, and every two long-tail screw seats are grouped to form screw seat groups; the rotating air cylinder is arranged on the base, the moving end of the rotating air cylinder penetrates through the fixed base plate from the position between the two long-tail nail bases of the corresponding nail base set, pressing plates are arranged at the moving end of the rotating air cylinder, and one pressing plate is suitable for rotationally pressing the ends, close to the nail body, of the two long-tail nail bases of one nail base set; the movable air cylinders are arranged on the base, two pressing blocks are symmetrically arranged at the movable end of each movable air cylinder, and the two pressing blocks are suitable for pressing th