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SI Joint Fusion

SI Joint Truss System™

SI Joint Truss System™

The SI Joint Truss System™ extends 4WEB’s Advanced Structural Design and proprietary Truss Implant Technology™ to the sacroiliac joint, offering a truss-based implant option for SI joint fusion.

About SJTS

  • Dual pitch threads provide compression across the SI joint
  • 3D printed shell with titanium core to endure lateral and axial forces while fusion takes place
  • Cannulated and fenestrated with TRUSS structure to allow bone growth through the implant
  • Self-harvesting to maximize autograft utilization
  • Instrumentation supports posterior and lateral approaches per surgeon preference
SJTS lateral approach, lateral view of screw placement
SJTS lateral approach, outlet view of screw placement
SJTS posterior approach, lateral view of screw placement
SJTS posterior approach, outlet view of screw placement

Lateral Approach

Posterior Approach

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