Front and rear combined scoliosis correcting system through pedicle of vertebral arch
A scoliosis and pedicle technology, which is applied in the field of orthopedic internal fixation treatment devices, can solve the problems of weakened orthopedic force and loss of orthopedic effect.
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[0009] The correction system of the present invention is composed of a vertebral pedicle bolt 1 and its connecting buckle 2, a vertebral body bolt 3 and an orthopedic rod 4. The vertebral body pedicle bolt 1 is a bone thread screw structure, and its head end is a mechanical thread head 5 , its tail end is a stepped enlarged cylinder 6, which is provided with an internally threaded through hole 7 at a certain angle (usually in the range of 3-150 degrees, preferably about 50-90 degrees) with its axis, the stepped cylinder The end face of 6 is provided with positioning hole 8; Connecting buckle 2 is a special-shaped cylindrical body, and U-shaped groove 9 is opened in the middle of this cylindrical body, and the outer wall of its sealing end is connected with protruding block 10 outwardly, and this protruding block 10 There is a screw hole 11 matching the head end 5 of the mechanical thread of the vertebral pedicle bolt 1, so as to be screwed with the head end 5 of the vertebral p...
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