The Usmart 5.5 mm Spinal Screw-Rod System is a posterior spinal fixation device used for deformity correction, vertebral stabilization, and promoting spinal fusion. Featuring 5.5 mm diameter rods paired with polyaxial or monoaxial pedicle screws, the system offers high strength, excellent biocompatibility, and convenient implantation, providing stable spinal support and long-term fixation for patients.
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