5.5 Minimally Invasive Spinal Screw

I.Structural design optimisation to enhance biomechanical properties

1, Stress dispersion and fracture prevention The screw adopts a gradual inner diameter design, reducing the risk of stress concentration and significantly reducing the probability of intraoperative/postoperative nail breakage; Wet sandblasting surface treatment technology improves fatigue strength by about 20-30%, extending the service life of the implant.

2, Enhance bone anchoring ability Anterior tapered thread with self-tapping edge simplifies implantation and prevents damage to the bone structure; The posterior cortical bone thread design enhances the holding power of the bone-screw interface and reduces the risk of loosening.

3, Three-dimensional stabilisation system The screw-rod connection adopts an offset trapezoidal thread locking structure, which concentrates the vertical pressure and improves the torsion resistance; Bilateral screw axes intersect at nearly right angles, achieving three-dimensional fixation of the spine, which is better than traditional single-plane fixation.

II.Minimally invasive and precise implantation technology

• Minimally invasive channel compatibility Supports percutaneous insertion (four 1cm incisions), avoiding stripping of paraspinal muscles and ligaments and reducing intraoperative bleeding by more than 50%;
• 2, Intelligent assisted positioning Combined with C-arm or AR navigation, the accuracy of nail placement is increased to 95%+, reducing the risk of neurovascular mishap;

3, Rapid Recovery Advantage The average time for patients to get out of bed is shortened by 3-5 days compared with open surgery, and the incidence of chronic low back pain is reduced by 40 per cent

Product Paramenters

Conclusion

5.5 Minimally Invasive Spinal Screw System is a comprehensive solution tailored for minimally invasive surgical procedures. Through meticulous design, it addresses the key challenges of minimally invasive surgery—precise screw placement, efficient connection, and stable fixation—one by one.