This document discusses a lumbar interspinous anchor device for posterior lumbar fusion as an alternative to pedicle screws. The device has comparable biomechanics to pedicle screws based on one study. A second study showed a 94% fusion rate in an elderly patient cohort. A third poster presentation found reduced operative time, hospital stay, and recovery time compared to pedicle screws in a single level fusion procedure. The document promotes the interspinous anchor device as a market leading option for posterior lumbar fusion that has been implanted over 30,000 times globally.
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1. 1. Karahalios DG, et al. Biomechanics of a lumbar interspinous anchor with anterior lumbar interbody fusion. J Neurosurg Spine. April 2010.12(4): 372380.
2. Amir Vokshoor, et al. Clinical Outcomes and Fusion Rates After Spinous Process Fixation in an Elderly Cohort. Poster presented at 2012 AANS/CNS Joint Sections (Spine), 2012.
3. Robert Tatsumi, MD. Single Level Posterior Lumbar Fusion and Decompression for Degenerative Spondylolisthesis; Comparison Between Pedicle Screws and Spinous
Process Fixation. Up to 2 Year Follow-up. Poster presented at 2013 ISASS, 2013.
Rethink 鍖xation for fusion.
Market leader, with over 30,000 devices implanted worldwide
by over 1,000 surgeons
Comparable biomechanics to pedicle screws1
94% fusion rate demonstrated2
Reduced operative time, hospital stay and recovery time3
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