DePuy, a division of Johnson & Johnson have issued a field safety corrective notice for its Acetabular Cup Trimming aid, This is an orthopaedic instrument intended to be used as a guide to trim the flange of the Acetabular Hip Implant prior to insertion. Investigations have identified that the incorrect orientation trimming aid is located inside the cup. Risk assessments have identified that the probability of the product resulting in a health risk is extremely unlikely as the anomaly should be detected prior to use by the surgeon. As a precautionary measure DePuy have decided to remove these devices from the market.