Tomographic Assessment of Fusion Rate, Implant-Endplate Contact Area, Subsidence, and Alignment With Lumbar Personalized Interbody Implants at 1-Year Follow-Up.

Christopher P Ames¹, Justin S Smith², Rodrigo J Nicolau³

¹Department of Neurological Surgery, University of California, San Francisco, CA, USA amesc@neurosurg.ucsf.edu.

²Department of Neurosurgery, University of Virginia, Charlottesville, VA, USA.

³Carlsmed, Carlsbad, CA, USA.

PubMed PMC DOI PDF

Abstract

BACKGROUND: Incongruity between irregularly shaped vertebral endplates and the uniform surfaces of stock interbody fusion cages has been identified as contributing to cage subsidence, pseudarthrosis, and unpredictable alignment. Advances in manufacturing techniques have driven the development of personalized interbody cages (PICs) that can match individual endplate morphology and provide the exact…

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