Adjustable guiding device for imbedding pedicle screw
A technology of pedicle screw and guiding device, which is applied in the fields of medical science, surgery, fixer, etc., can solve the problems of asymmetrical driving of two pedicle screws, uneven holding force, unstable fixation, etc., and achieve good results. The effect of promoting value, reducing radiation, and reducing operation time
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[0019] The present invention is made up of spinous process screw 3, arc-shaped sliding plate 4, guide sleeve 5, jacking screw 10.
[0020] figure 1 It is shown that the spinous process screw 3 is a long nail, and the front end of the spinous process screw 3 has threads, and the spinous process screw 3 is vertically driven into the center point of the rear end of the vertebral body 1 as a benchmark for inserting the pedicle screw 2 . The spinous process screw 3 of the present invention has a length of 150-200mm and a diameter of 3-6mm, and the front end of the spinous process screw 3 has a thread of 50-60mm.
[0021] figure 1 It is shown that the arc-shaped slide 4 is a long arc with equal width, the surface of the arc-shaped slide 4 is on the same plane as the spinous process screw 3, and the rear part of the spinous process screw 3 is vertically connected with the midpoint of the arc-shaped slide 4. The arc-shaped sliding plate 4 is distributed symmetrically on both sides o...
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