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Batch review performed on 05 february 2019: lot 143801: (b)(4) items manufactured and released on 04-aug-2014.Expiration date: 2019-06-30.No anomalies found related to the problem.To date, all the items of this same lot have been already sold without any similar reported event investigation performed by r&d product manager: based on the picture received, the implant is covered in biological fluids.From preliminary visual investigation, it is not possible to determine an implant-related failure root cause.Clinical evaluation performed by medical affairs manager: hip revision surgery occurred 4 years after cementless total hip arthroplasty in a (b)(6) woman.In the radiographic image provided, radiolucent lines in gruen zones 1 and 7 are visible.No information on general health status of the patient is available.Aseptic loosening is a possible literature described adverse event after cementless hip replacements and causes are often unknown.The reason of this failure cannot be determined.
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