It was reported to aesculap ag that an activ l (part # unknown) was implanted during a procedure performed on an unknown date.According to the complainant, the facet joints were failing on the implant.The patient will be undergoing a fusion revision surgery at level (l-4/5) where activ-l device was installed.The complaint device has not been returned to the manufacturer for evaluation.A revision surgery was necessary.An additional medical intervention was necessary.Although requested, additional information has not been made available.The adverse event is filed under aag reference (b)(4).Associated medwatch-reports: 9610612-2022-00048(400543526 - ae-qas-sp44), 9610612-2022-00050(400543649 - ae-qas-sp44).
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Associated medwatch reports: 9610612-2022-00048.9610612-2022-00049.9610612-2022-00050.Updated - h6 codes.Investigation: up to now, products not provided.Therefore, no investigation possible.Batch history review: due to the fact that neither an article number nor a lot number was provided, a review of the device history records must remain incomplete.Explanation and rationale/conclusion and root cause: because there are no products and only minor information available, a definitive root cause analysis is not possible.Because the device history record is without any deviation, a material defect or manufacturing failure can be excluded.The following causes are possible: - wrong system configuration selected by the user.- wrong implant size chosen by the user.- end plate formed too strong by the user.- design layout unsuitable.- inadequate patient behavior.Corrective action: a capa is not necessary.
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