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Preliminary investigation performed by medacta r&d department on 6 november 2019: preliminary investigation shows components covered with biological fluids.It is not possible to determine any implant-related failure root cause.Clinical evaluation: acetabular component revision performed 5 months after cementless total hip arthroplasty in a heavy ((b)(6)) (b)(6) man.Radiographic images provided shows a suboptimal position of the cup.Due to unknown reasons, it was not possible to restore the native center of rotation.Batch review performed on 31 october 2019: lot 186851: 100 items manufactured and released on 22-nov-2018.Expiration date: 2023-11-12.No anomalies found related to the problem.To date, 87 items of the same lot have been already sold without any similar reported event.Other device involved in the event: ball heads: mectacer 01.29.209 biolox delta ceramic ball head 12/14 ø 36 size m 0 lot.188246 (k112115) batch review performed on 31 october 2019: lot 188246: 210 items manufactured and released on 30-jan-2019.Expiration date: 2024-01-16.No anomalies found related to the problem.To date, 194 items of the same lot have been already sold without any similar reported event.
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