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| Spinal Pedicle Screw System (5.5mm System) Specification | |||||
|---|---|---|---|---|---|
| Monoaxial Pedical Screw | Φ4.5*40mm to Φ4.5*45mm | Polyaxial Pedical Screw | 4.5*30mm to 4.5*45mm | Rod | Φ5.5×100mm to Φ5.5×400mm |
| Φ5.0*30mm to Φ5.0*45mm | Φ5.0*30mm to Φ5.0*45mm | Gradient Rod | 3.5*100-5.5*200mm | ||
| Φ5.5*35mm to Φ5.5*50mm | Φ5.5*35mm to Φ5.5*50mm | Iliac Screw | 7.5*65 to 8.0*80 | ||
| Φ6.0*35mm to Φ7.0*50mm | Φ6.0*35mm to Φ7.0*50mm | Shifter | 5.5*30 to 5.5*60 | ||
Different screw sizes with different colors for easy identification during operation.
Low profile screw head reduces stimulation and harm to surrounding soft tissue.
The variable angle of polyaxial pedicle screw is 44° to facilitate placement.






Our Expertise: We provide a full range of orthopedic implants and instruments. As a professional manufacturer, we maintain our own production lines and advanced warehouses to ensure quality and availability.
After 15 years of research and development, we now offer 6 main series of orthopedic products, including spinal systems, interlocking nail systems, locking plate systems, and basic instrument systems. We also develop veterinary orthopedic solutions.


Tonk Orthopedic Implants