A patient with the screw, fusion device, helical nail, pin, and washer implants from the Acutrak® Headless Compression Screw, Acutrak 2® Headless Compression Screw, Acutrak 3 Headless Compression Screw, AcuTwist® Acutrak Compression Screw, Biotrak® Headless Resorbable Compression, Cannulated Screw, Tension Band Pin/Tension Band Pin 2, and Extremity Screw Systems may be safely scanned under the following conditions. Failure to follow these conditions may result in injury to the patient.