Commonly-used percutaneous pedicle screw stick internal fixing system
A technology of pedicle screw and fixation system, applied in the direction of internal fixator, fixator, internal bone synthesis, etc., can solve the problem of limiting the development of minimally invasive surgery for thoracolumbar fractures, poor reduction effect of thoracolumbar fractures, and failure to achieve openness Surgery and other problems, to achieve the effect of quick recovery, enhanced distraction or compression, and less trauma
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[0062] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0063] The universal percutaneous pedicle screw-rod internal fixation system of this embodiment includes pedicle screw 1, longitudinal connecting rod 2, puncture cone 3, guide pin 4, expansion core 5, screw-setting guide sleeve 6, hollow flat protrusion File 100, hollow thread tap 200, nail setter 7, rod holder 400, screw plug holder 300, screwdriver 8, expansion pressurizer 600 and torque-resistant socket wrench 500, such as Figure 1 to Figure 3 As shown, the distractor 600 includes a first distractor arm 601, a second distractor arm 602, a first connector 603, a second connector 604 and a support rod 605, the first connector 603 and The second connector 604 is connected to the support rod 605 through a displacement adjustment mechanism and the distance can be adjusted along the support rod 605. The first stretching and pressing arm...
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