Designed for thoracolumbar spinal stabilization, the ATLAS 5.5 Monoaxial Pedicle Screw features a fixed (monoaxial) head to maintain rotational rigidity. Dual-lead thread geometry facilitates efficient insertion and superior bone anchorage. The tapered tip allows bicortical fixation and precise pedicle placement. Color-coded sizes assist intraoperative workflow, and the low-profile head reduces soft tissue irritation. Compatible with 5.5 mm rods, this system supports both open and minimally invasive surgical approaches.
2307-0101
TOOLMED
TC4
1 Pcs
5-15 Days
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| Availability: | |
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Product Description
StarDrive recess ensures consistent torque during locking
Dual-lead threading improves bone engagement and reduces insertion time
Tapered tip enables accurate pedicle entry and bicortical anchorage
Fixed head design delivers superior rotational control
Color-coded sizing simplifies selection in the OR
Low-profile head design minimizes soft tissue interference
Ideal for adult thoracolumbar instrumentation in cases such as:
Traumatic spinal fractures
Scoliosis and kyphotic deformities
Degenerative pathology requiring stabilization
Post-tumor resection fusion stabilization
Revision surgeries necessitating rigid, fixed-angle fixation

| Product Name | ATLAS 5.5 Monoaxial Pedicle Screw |
| Material | TC4 |
| Certificate | CE Certificate |
| Brand | TOOLMED |
| MOQ | 1 Pcs |
| OEM | Avaliable |
| Package | PE Inner Bag+Carton |
| Payment Method | T/T,Bank transfer, Western Union |
| Delivery Time | 5-15 Days |
| Shipping | DHL EMS UPS TNT FEDEX |


A monoaxial screw features a fixed, rigid head aligning with the rod at a fixed angle. This design maximizes rotational rigidity—critical in controlling vertebral rotation during fusion and deformity correction.
The ATLAS 5.5 Monoaxial Pedicle Screw is indicated for use in:
Trauma cases requiring rigid fixation and rotation control
Deformity corrections where vertebral derotation is necessary
Degenerative conditions with instability
Stabilization following tumor resection
Revision surgeries where construct rigidity is critical
Rigid head design ensures strong rotational alignment
Dual-lead threads enhance insertion control and pull-out resistance
Tapered tip improves pedicle accuracy and bone purchase
StarDrive system enables precise torque application
Color-coded screws streamline surgical workflow
Low profile reduces postoperative irritation
Monoaxial screws create a fixed-angle construct with minimal micro-motion at the bone–screw interface, enhancing fusion outcomes. Dual-lead threads increase surface contact volume and insertion torque, improving pull-out strength. The rigid head resists rotational forces more effectively than polyaxial designs. Optimal screw depth and trajectory further enhance anchorage, especially in osteoporotic bone.
Preoperative imaging guides sizing and trajectory
Screws are inserted via freehand or fluoroscopic guidance
Fixed head placement allows direct rod alignment with vertebral control
StarDrive interface ensures secure set screw locking
Imaging verifies construct stability before closure
Following implantation, proper postoperative care is essential to ensure healing and prevent complications:
Limit spinal rotation and heavy lifting during early stages
Schedule follow-up imaging to assess hardware positioning and fusion
Follow prescribed pain management protocols
Begin supervised rehabilitation once healing permits
Monitor surgical site closely for signs of infection or complications
The ATLAS 5.5 Monoaxial Pedicle Screw delivers unrivaled rotational control and fusion stability. Engineered for demanding spinal procedures, it offers dual-lead threading, precise insertion, and high fixation strength—all supported by international quality standards.
The monoaxial fixed head maintains vertebral rotational alignment during correction maneuvers, making it ideal for deformity surgeries and revisions requiring precision.
Yes—dual-lead threading enhances contact with bone and reduces insertion torque, improving primary stability and pull‑out resistance.
Preoperative imaging should guide screw diameter and length selection, ensuring appropriate pedicle fit and avoiding cortical breach.
Yes—the low-profile head and streamlined instrumentation support both open and MIS techniques effectively.
Constructed from Ti-6Al-4V titanium alloy, it offers high strength, corrosion resistance, and minimal adverse tissue reaction.
Our factory is equipped with over 60 advanced CNC machines operated by 100+ skilled technicians, a 300 m² GMP-compliant clean room, and a 10,000 m² production facility. We maintain a CNAS and ISO 17025 certified testing center, invest heavily in CNC turning technology, and utilize high-precision inspection systems including CMM, PP, and QV to ensure product quality and consistency.


We offer fast and reliable global shipping. Standard lead times range from 7 to 15 working days, depending on order quantity and customization requirements. Express delivery options are also available upon request.
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Yes, samples are available for evaluation. Please contact our sales team to request product samples and shipping arrangements.
Absolutely. We offer OEM/ODM services including custom packaging, branding, and product development tailored to your specifications.
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