SURGICAL PROBE DEVICE

A probe device is adapted for use in enabling implanted articles of spine surgery to be accurately and safely positioned relative to anatomy that can be injured during placement of such implanted article. The probe device can be used with a neuromonitoring system to assist in location of the spinal nerves by administration of low-voltage electrical stimulation during bone preparation and/or placement (e.g., insertion) of an implanted article (e.g., a bone screw) during an open or percutaneous minimally-invasive surgical approach of the spine. By monitoring the low-voltage electrical stimulation and/or a signal generated in response the low-voltage electrical stimulation being the administered, proximity to a patient's anatomy that is susceptible to being injured by the bone preparation and/or placement of the implanted article can be determined and placement of the implanted article can be performed in a manner that minimizes the potential for injury to such anatomy.