The utility model relates to a screw plug extractor, and belongs to the technical field of
spine surgery. The tool is mainly used for solving the safety problems that a
wrench fails due to deformation of a hexagonal hole or a plum blossom hole of a screw
plug in a
spinal operation, and
metal fragments are generated due to the fact that a U-shaped nail arm needs to be damaged in a traditional taking-out method. According to the technical scheme, the tool is characterized by comprising a left clamping jaw, a right clamping jaw, a left linking arm, a right linking arm, a left
handle, a right
handle and screws; trapezoidal clamping grooves are formed in the heads of the clamping jaws, the size of the minimum ends of the clamping grooves is slightly smaller than that of U-shaped openings of the U-shaped nails, and R-shaped arc grooves are formed in the middles of the clamping grooves and used for clamping orthopedic rods; the
handle adopts the extension arm design, and the operating force is reduced through the lever principle. During operation, the handle is folded to enable the clamping groove to be clamped into the U-shaped opening, the U-shaped opening is gradually expanded by about 0.5 mm, the screw plug is separated from the spine nail, and therefore the screw plug is taken out without damage. The tool is compact in structure and easy and convenient to operate,
metal fragments can be effectively prevented from being generated, and the
operation safety and efficiency are improved.