HCS - Headless Compression Screw System, Headless Compression Screw, Cannulated; Article Numbers: 31207-10, 31207-12, 31207-14, 31207-16, 31207-18, 31207-20, 31207-24, 31207-26, 31207-28, 31207-30, 31257-12, 31257-14, 31257-16, 31257-18, 31257-20, 31257-22, 31257-24, 31257-28, 31257-30, 31307-18, 31307-32, 31307-34, 31307-36, 31307-38, 31358-30, 31437-30, 31437-38, 31437-40, 31437-50, 31757-100, 31757-120, 31757-45, 31757-80, 31757-85, 31757-90.. Reason: Updated MRI safety testing demonstrates higher RF-induced temperature increases under certain MRI conditions than previously reflected in the Instructions for Use (IFU).. Classification: Class II. Quantity: 623 units. Distribution: US Nationwide distribution in the states of AL, AZ, BVI, CA, CO, FL, GA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, MT, NE, NJ, NM, NV, OH, OK, PA, SC, TX, USVI, WV, W.