The reported event could be confirmed, since the device was returned for evaluation.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.No indications of manufacturing or design related problems were found during the investigation.The device inspection revealed the following: scratches were found on the surface of the plate.No major deformation or damages were found in the returned devices.Based on investigation, the root cause was attributed to a patient related issue.The failure was caused by delayed union.As per ifu ¿conditions attributable to non-union, osteoporosis, osteomalacia, diabetes, inhibited revascularization and poor bone formation can cause loosening, bending, cracking, fracture of the device or premature loss of rigid fixation with the bone.In the event of a delay in bone consolidation, or if such consolidation does not take place, or if explantation is not carried out, complications may occur, for example fracture or loosening of the implant or instability of the implant system.As conveyed in ifu, delayed union is the most frequent adverse effects involving the use of internal fracture which may be clinically related rather than device related.A review of the labeling did not indicate any abnormalities.If any further information is provided, the complaint report will be updated.
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