I.T.S. DUL (Distal Ulna Locking) System and UOL (Ulna Osteotomy Locking) System with the below descriptions and corresponding article numbers. 1. I.T.S. DUL (Distal Ulna Locking) System, Distal Ulna Plate; Article Numbers: 21232-3, 21232-4, 21232-6, 21233-3, 21233-4, 21233-6, 21234-4, 21235-4. 2. I.T.S. UOL (Ulna Osteotomy Locking) System, Ulna Osteotomy Plate; Article Numbers: 21231-6. 3. UOL (Ulna Osteotomy Locking) System, Cancellous Screw, Locking; Article Numbers: 37302-18, 37302-20.

Reason: Updated MRI safety testing demonstrates higher RF-induced temperature increases under certain MRI conditions than previously reflected in the Instructions for Use (IFU).

Code information: 1. Article Number (Lot Numbers): 21232-3 (26/F65636), 21232-4 (26/F61722, 26/F65637), 21232-6 (26/F62564, 26/F65638), 21233-3 (26/F65639), 21233-4 (26/F65640), 21233-6 (26/F61723, 26/F65046), 21234-4 (26/F65641, 26/F66504), 21235-4 (26/F65642, 26/F67810). 2. Article Number (Lot Numbers): 21231-6 (643/012301, 643/022310, 643/032308, 643/0630, 643/0657, 643/102402, 643/122301). 3. Article Number (Lot Numbers): 37302-18 (18/636447), 37302-20 (18/802189).

Distribution pattern: 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.