ALTERA® Spacer
Product Overview
ALTERA® is an articulating expandable TLIF spacer designed to increase disc height, restore lordosis, and maintain sagittal balance.
Features and Benefits
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.
Research
ALTERA® Hawasli et al. 2017
Minimally invasive transforaminal lumbar interbody fusion with expandable versus static interbody devices: radiographic assessment of sagittal segmental and pelvic parameters
Hawasli et al. Neurosurg Focus 43 (2):E10, 2017.
ALTERA® Massie et al. 2018
Assessment of radiographic and clinical outcomes of an articulating expandable interbody cage in minimally invasive transforaminal lumbar interbody fusion for spondylolisthesis
Massie et al. Neurosurg Focus 44 (1):E8, 2018.
