On (b)(6) 2016 the medical affairs director made the following evaluation: mobilization of cementless versafitcup less than two months after implantation.Unusual event, the cup tilted (presumably) and perforated the medial wall.There is no evidence on initial position of the cup or possible damage to the medial wall.Patient very tall and heavy.Reportedly, the stem was found loose proximally (short time after implantation, and with a tilted migrated cup no proper loading was possible).Investigations are ongoing for possible infection.At current state, the root cause cannot be identified with certainty.On (b)(6) 2016 it was communicated that the surgeon has not responded further regarding suspected reason for revision.The implants are not available for inspection due to hospital policy.Bone quality was average.Batch review performed on (b)(64) 2016.Lot 150081: 60 items manufactured and released on (b)(6) 2015.Expiration date: (b)(64) 2020.No anomalies found related to the problem.To date, 8 items of the same lot have been already sold without any similar reported event.Quadra h cementless, ha coated lat stem # 7 code 01.12.037 lot.081295/t (b)(4).4 items manufactured and released on (b)(6) 2014.Expiration date: (b)(6) 2018.No anomalies found related to the problem.To date, 2 items of the same lot have been already sold without any similar reported event.
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