InstaTrak with Multiple Dataset Navigation, 892.2050 System, Image Processing System, Model Number IT3500 Plus. || Product Usage: Usage: || The system is an aid to locate anatomical structures during open or percutaneous surgical procedures. It is indicated for use in medical conditions that may benefit from the use of stereotactic surgical technique. The system provides a reference to rigid anatomical structures such as sinus, skull, long bone, or vertebra, which are visible on medical images such as CT, MR, or X-ray.