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Batch review performed on 18 february 2019: lot 091934: (b)(4) items manufactured and released on 25-sep-2009.Expiration date: 2014-08-31.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.Clinical evaluation performed by medical affairs manager: partial hip revision surgery (cup, head and liner) occurred 9 years after primary cementless total hip arthroplasty.Radiographic images provided show a mobilized cup.No immediate postoperative x-ray is available, thus initial cup position cannot be assessed.Aspetic loosening is a possible literature described long term adverse event after cementless thr and causes are often unknown.The reason of this event cannot be determined.
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