ALTERA® is an articulating expandable TLIF spacer designed to increase disc height, restore lordosis, and maintain sagittal balance.

  • Continuous Expansion: Up to 4mm of continuous expansion to restore disc height and optimize endplate-to-endplate fit.
  • Minimal Insertion Height: Inserted at a reduced height to minimize impaction and preserve endplate integrity.
  • Optimal Placement: Integrated articulation provides steerable placement within the anterior disc space.


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