Finding Foreign Bodies (FB) inside different parts of the body have been difficult for all of the
surgeons. Although at first it seems easy to remove these FB but during operation many
problem for their removing can occurs, the most important of them is that they can not be
find. Many orthopedists, general surgeons and neurosurgeons had experienced with this
problem. In this study we are trying to show the efficacy of Lazer Navigating System (LNS) a
new system that we have designed for finding and removing FB inside different parts of ..