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Multiexpandable cage for minimally invasive posterior lumbar interbody fusion

Authors Coe JD, Zucherman JF, Kucharzyk DW, Poelstra KA, Miller LE, Kunwar S

Received 11 May 2016

Accepted for publication 19 July 2016

Published 28 September 2016 Volume 2016:9 Pages 341—347

DOI https://doi.org/10.2147/MDER.S112523

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Feng Wei

Peer reviewer comments 4

Editor who approved publication: Dr Scott Fraser

Jeffrey D Coe,1 James F Zucherman,2 Donald W Kucharzyk,3 Kornelis A Poelstra,4 Larry E Miller,5 Sandeep Kunwar,6

1Silicon Valley Spine Institute, Campbell, 2San Francisco Orthopaedic Surgeons, San Francisco, CA, 3Orthopaedic Pediatric and Spine, Crown Point, IN, 4Department of Surgery, Sacred Heart Hospital on the Emerald Coast, Miramar Beach, FL, 5Miller Scientific Consulting, Inc., Asheville, NC, 6Bell Neuroscience Institute, Washington Hospital Healthcare System, Fremont, CA, USA

Abstract: The increasing adoption of minimally invasive techniques for spine surgery in recent years has led to significant advancements in instrumentation for lumbar interbody fusion. Percutaneous pedicle screw fixation is now a mature technology, but the role of expandable cages is still evolving. The capability to deliver a multiexpandable interbody cage with a large footprint through a narrow surgical cannula represents a significant advancement in spinal surgery technology. The purpose of this report is to describe a multiexpandable lumbar interbody fusion cage, including implant characteristics, intended use, surgical technique, preclinical testing, and early clinical experience. Results to date suggest that the multiexpandable cage allows a less invasive approach to posterior/transforaminal lumbar interbody fusion surgery by minimizing iatrogenic risks associated with static or vertically expanding interbody prostheses while providing immediate vertebral height restoration, restoration of anatomic alignment, and excellent early-term clinical results.

Keywords: degenerative disc disease, expandable, low back pain, Luna

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