Mark Hebert talks about the UofL spinal surgeon who is using a small device that can get active people with back problems back on their feet. Find more information about this and other University of Louisville stories at UofLNews.com. You can also catch UofLToday with Mark Hebert Mondays and Tuesdays at 6:00 PM on 93.9 FM, on Metro TV Monday through Friday, and on KET KY.