Zimmer NEXGEN Complete Knee Solution Cruciate Retaining (CR) Provisional - Articular surface, Size Blue, 12 MM Height, nonsterile, Zimmer, Warsaw, IN; REF 5971-50-12. Used during total knee arthroplasty surgery to determine the required thickness of the tibial bearing surface to be implanted. Reusable, non-implantable.

Some 12 mm thick devices may have been etched and packaged as 14 mm thick, and vice versa.

Zimmer sales force and distribution sites were notified of the recall via email on 12/15/08 and instructed to inventory, return the affected products and to provide a copy of the recall letter to those customers to whom they had further distributed the products. The 'Urgent: Device Recall" letter dated 12/12/08, described the problem and the potential risks. For additional information, contact Zimmer, Inc., at 1-800-613-6131.