Batch review performed on 16-oct-2023: lot 164564: (b)(4) items manufactured and released on 17-oct-2016.Expiration date: 2021-09-21.No anomalies found related to the problem.To date, all items of the same lot have been sold with no similar reported case during the period of review.Clinical evaluation performed by medical affairs manager on 19 october 2023: revision surgery 6 years and 11 months after primary tha due to stem loosening.From radiographic image, double contour in gruen zones 1 is visible and it suggests that the stem could not find a stable position within the femur.Aseptic loosening is a possible literature described adverse event after primary cementless hip arthroplasties and causes are often unknown.The reason of this failure cannot be determined.
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