The reported event could not be confirmed, because the information provided was not sufficient.To gain more information about the complained event the sales rep was contacted.No additional information regarding the complaint could be provided.No lot number was provided, thus a review of the specific manufacturing batch records and related quality documents (manufacturing documents, inspection plan, inspection drawing and release report) cannot be performed.Therefore, it is also not possible to determine the quantity released for distribution within the affected lots.Based on the investigation including the labeling review as well as the event description it can be confirmed that the surface area of the cranial defect was too large.In the event description it was stated that the circular defect of the occipital bone had a diameter of 3 cm.This results in a surface area of over 7 cm² which contradicts to the recommended maximum surface area of 4 cm² in the corresponding ifu.With such a large defect in the occipital bone a loss of the cements mechanical stability due to a breakage is a likely result.Thus, the complaint is declared as noncompliant usage.Therefore, no corrective and/or preventive actions are deemed necessary at that time.However, post market surveillance will continue to monitor complaints of this type.The complaint is added to the complaint trend.
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