3D printing enabled biomechanical evaluation of a novel expandable wedge spacer for atlantoaxial reduction

Key Points

• Biomechanical evaluation shows improved stability with the novel expandable wedge spacer, enhancing atlantoaxial reduction outcomes.
• The analysis found a significant increase in load-bearing capacity during simulation tests, highlighting the device's potential.
• Assessment using advanced 3D printing technology allows for precise biomechanical modeling of the spacer's performance.
• Outcomes indicate the spacer may enhance surgical strategies, but clinical validation is needed for definitive conclusions.