Medtronic's Kyphon Balloon kyphoplasty system improves back function and provides significant pain reduction and quality-of-life improvements in cancer patients with spine fractures one month after treatment, according to data released Feb. 16. The results, from the first randomized trial comparing kyphoplasty to standard non-surgical management for cancer-associated vertebral compression fractures, were reported in the Lancet Oncology. The study was funded by Medtronic."Most people think that cancer...