Lumbar-sacral vertebra pedicle screw CoCrMo -5.5 / 6.0

thoraco-lumbarsacro-iliac jointbreak-off

Product introduction
The CoCrMo MIS Percutaneous System (Model CoCrMo -5.5 / 6.0) is a percutaneous pedicle screw spinal fixation system comprising cannulated pedicle screws, rods, set screws, cross connectors, lateral connectors, connectors and bone hooks. The coaxial cannulated pedicle screws support minimally invasive percutaneous fixation techniques, reducing blood loss, muscle and soft tissue disruption, incision size and recovery time while maintaining fixation and reduction capabilities. The system is compatible with surgical navigation and robotic systems. Via a posterior approach, screws are placed through the pedicles into thoracolumbar vertebrae to allow distraction, compression, lifting and reduction; rods are introduced subcutaneously into the U-shaped screw heads and locked with set screws to provide a stable construct for thoracolumbar fixation and fusion.

Features

• Pedicle screw: Provides three-dimensional spinal stabilization and correction by fixation of vertebral pedicles and connection with longitudinal rods; supports distraction and compression maneuvers. Indications include spinal fracture-dislocations, deformities, lumbar spondylolisthesis and spinal instability.
• Spinal rod: Connects pedicle screws and transfers spinal loads. Titanium alloy rods (TC4 ELI) permit contouring while maintaining sagittal and coronal alignment.
• Set screws: Available as standard, break-off and reduction types. Break-off mechanism provides consistent locking force and reduces variability during manual tightening.
• Pedicle screw types: Offered in fixed and multi-axial configurations to improve angulation, facilitate rod insertion and increase intraoperative flexibility.

Advantages

• Minimally invasive fixation: Cannulated coaxial pedicle screws enable percutaneous techniques and smaller approaches.
• Flexible configuration: Multiple screw, rod and set-screw options to meet different clinical requirements.
• Correction maintenance: Supports reduction and helps maintain postoperative alignment.
• Secure fixation: Thread geometry designed to provide reliable holding strength in vertebral bone.
• Durability: Materials and design provide fatigue and corrosion resistance suitable for long-term load-bearing use.
• Biocompatibility: Components in CoCrMo, TC4 ELI and TA2G are intended for spinal implantation.
• Imaging compatibility: Compatible with postoperative radiography and MRI protocols.

Application

• Applicable procedures: Posterior spinal internal fixation for thoracolumbar, lumbosacral, coccygeal and iliac segments for fusion and correction.
• Indications: Degenerative spinal disease, spinal trauma (fractures, traumatic spondylolisthesis), correction of malunions, stabilization after laminectomy for spinal stenosis, lumbar spondylolisthesis and instability.

Technical specifications

• Model number: CoCrMo -5.5 / 6.0
• Denomination: CoCrMo MIS Percutaneous System
• Materials: Co28Cr6Mo (CoCrMo), TC4 ELI titanium alloy, TA2G commercially pure titanium
• Components: Cannulated (coaxial) pedicle screws, rods, set screws (standard/break-off/reduction), cross connectors, lateral connectors, connectors, bone hooks
• Pedicle screw configurations: Fixed and multi-axial; multiple diameters and lengths available
• Intended application: Posterior internal fixation for thoracolumbar fusion and correction
• Compatible instruments/systems: ADB01; compatible with surgical navigation and robotic systems
• Clinical goals: Stabilization, reduction, maintenance of sagittal/coronal alignment, facilitation of fusion