Metrosan End. Ve Elk. Mek. Cihazlar Ve Tibbi Malz. San. Tic. Ltd. Co.

This study is tracking 561 people who have already had spine surgery using METROSAN spinal implants and BONEGRAFT bone fillers. Researchers want to see how well these devices work and if any new safety issues pop up over a year. It's an observational study, meaning patients get s…