Southern Oregon Orthopedics is a study site for a clinical study evaluating the safety and efficacy of a total disc replacement device (XL TDR). This device seeks to relieve pain while restoring height and maintaining motion at the spinal segment. Mark Peterson, MD is the Clinical Investigator for this study. Click here for more information about this study. You may also visit www.xlmotion.com or contact our Clinical Research Coordinator at 541-608-2574 or 800-866-9887.