Multirod posterior occipitocervical instrumentation constructs: a biomechanical analysis and initial case series of 10 patients with complex craniocervical pathology.

Andrew P Collins¹, Muzammil Mumtaz², Sudharshan Tripathi², Shruthi K Varier², Alexander W Turner³, Aaron J Clark⁴, Vijay K Goel², Alekos A Theologis⁵

¹Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, WA, USA.

²Departments of Bioengineering and Orthopaedic Surgery, Engineering Center for Orthopedic Research Excellence (E-CORE), University of Toledo, Toledo, OH, USA.

³Alphatec Spine Inc., Carlsbad, CA, USA.

⁴Department of Orthopaedic Neurological Surgery, University of California - San Francisco (UCSF), San Francisco, CA, USA.

⁵Department of Orthopaedic Surgery, UCSF, San Francisco, CA, USA. Electronic address: alekos.theologis@ucsf.edu.

PubMed DOI

Abstract

BACKGROUND CONTEXT: Stabilization of the occipitocervical (OC) junction with posterior instrumentation plays a vital role in addressing a spectrum of pathologies. Due to limited bone surfaces of the occiput and C1 lamina, achieving union across the OC junction is challenging. PURPOSE: To explore the biomechanics and a clinical series of patients treated with multirod constructs across the OC junc…

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