We immediately investigated the case and determined that a mix-up between one component of each of these two lots happened during packaging.We inspected a unit from lot 173033 in stock and found the piece from lot 173034.With this, we had full control over the two mixed components.After this confirmation, the rest of both lots were inspected to confirm that the mix-up only involved one piece from each lot and all were conforming.Batch review performed on 13 september 2018.Lot 173034: (b)(4) items manufactured and released on 02 august 2017.Expiration date: 2022-07-04.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been already sold without any similar reported event.Gmk-hinge femoral component size 5 l reference 02.09.2605l (k130299).Lot 173033: (b)(4) items manufactured and released on 02 august 2017.Expiration date: 2022-07-04 no anomalies found related to the problem.To date, (b)(4) items of the same lot have been already sold without any similar reported event.Visual inspection performed by packaging and washing manager on 14 september 2018 the pictures attached to the complaint and the returned piece confirmed that there was a mix up.From a documental control it was noticed that the two lots involved in this case were consequently processed.Interviewing the operator and checking the process it is possible suppose that the two lots were packaged in the same time in the cleaning room.Due to human error, there was a mix up a piece of the two lots.The event is related to an human error, in fact the procedure reports the operators must process lots one by one.
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