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Abstract

BACKGROUND:

In traditional single open door surgery for cervical spondylosis, door shaft fixation such as suture suspension was used to maintain the open status of vertebral plate, but the fixation effect was not ideal.

OBJECTIVE:

To probe into the clinical application of Neulen titanium plate instrument and open-door bone grafting in patients with different types of cervical spondylosis.

METHODS:

A total of 32 patients were treated with Neulen titanium plate instrument and open-door bone grafting in unilateral open-door laminoplasty.

RESULTS AND CONCLUSION:

A total of 32 patients with cervical spondylosis were followed up for at least 6 months. Neurological function of these patients improved significantly. JOA score improved from (8.7 ±3.6) to (14.6±2.4), with an improvement rate of (63.3 ±8.9)% (P < 0.05). In follow-up at 6 months after treatment, X-ray and CT revealed that pivot side crack had disappeared, and spinal canal expansion was satisfactory. No loose, breakage, displacement or re-closing appeared. Results suggested that Neulen titanium plate fixation or open-door side bone grafting could maintain opening state in treatment using cervical posterior single door. Fusion rate of bone graft surrounding titanium plate was 78%. Fork design of both sides of titanium plate made less screws achieve high biomechanical stability. Titanium plate fixation obtained rigid support, but not elastic fixation on the door open side, obtained immediate stability of door shaft side, and easily resulted in bone fusion.

Subject headings:

cervical spondylosis; internal fixators; bone graft

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