Percutaneous minimally invasive pedicle screw/rod internal fixation system
A technology of pedicle screw and fixation system, which is applied in the directions of internal fixator, fixator, internal bone synthesis, etc., can solve the complicated operation of non-hollow pedicle screw operation, complicated design of hollow pedicle screw instruments, and lack of equipment. Effectively spread the pressure tool and other problems to achieve the effect of simple structure, easy rod placement, and less trauma
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[0041] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0042] The present invention provides a percutaneous minimally invasive pedicle screw rod internal fixation system, comprising a pedicle screw 1, a longitudinal connecting rod 2, a positioning needle tube 3 for determining the position of the nail, and a guide needle 4, which are used for expanding the placement The expansion core 5 of the nail channel, the nail placement guide sleeve 6, the nail device 7, the nail seat 900, the rod holder 400 for installing the longitudinal connecting rod 2, and the expansion presser for expanding or pressing 600. An arm folding device...
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