The distal fixation in thoracolumbar deformity surgery can be challenging for spine surgeons. When isolated S1-pedicle screws are utilized as the sole distal fixation in long thoracolumbar posterior constructs, there is a high rate of failure, due to loosening, breakage, and pseudarthrosis. Unfortunately, with iliac screw fixation the entry point at the posterior superior iliac spine requires considerable soft tissue dissection and may potentially increase the likelihood of wound complications.
S2-Alar-Iliac (S2AI) screw fixation technique was developed recently to provide increased fixation with a lower profile screwand rod construct. This technique may provide advantages such as decreased rates of reoperation, surgical site infection,wound dehiscence and symptomatic screw prominence as compared to traditional iliac screw fixation.
Prominent conventional Iliac screws may lead to irritation and pain with high revision rate.[2,5]
MYSPINE IS DIFFERENT!
MySpine guided S2-Alar-Iliac trajectory may allow for a small incision and less lateral retraction, and the medial entry point allows for a quick rod connection, thus eliminating the need for additional connectors.
The MySpine S2AI patient-specific drill guide might help facilitating complex thoracolumbar fixation with minimal radiation exposure and high accuracy.[3,4]
MySpine is a personalized surgical platform that is cost effective, efficient and intuitive. MySpine provides pre-op planning, single-use patient-specific drill guides and intra-operative surgical plan and navigation all designed by a dedicated engineer.
Low Dose CT scan to deliver 3D reconstructed vertebrae
The surgeon defines optimal implant parameters
Patient-matched Jigs are sent to the hospital
An experienced surgeon will support your first cases
 Sponseller P. et al., “Low Profile Pelvic Fixation With the Sacral Alar Iliac Technique in the Pediatric Population Improves Results at Two-Year Minimum Follow-up”, Spine, September 15, 2010
 Emami A. et al., “Outcome and Complications of Long Fusions to the Sacrum in Adult Spine Deformity: Luque-Galveston, Combined Iliac and Sacral Screws, and Sacral Fixation”, Spine, April 1, 2002
 Ai-Min Wu, et al. “The technique of S2-alar-iliac screw fixation: a literature review“. http://amj.amegroups.com/article/view/4197/4924
 Matsukawa K. et al., Cortical pedicle screw trajectory technique using 3D printed patient-specific-guide, M.O.R.E. Journal, September 2018
 Krieg S. et al., “Revision by S2-alar-iliac instrumentation reduces caudal screw loosening while improving sacroiliac joint pain—a group comparison”, Neurosurgical Review, September 2020 study