The device history record (dhr) review confirmed that the device met all material, assembly and performance specifications.Visual inspection of the device revealed that the delivery wire was kinked/bent due to handling.Further analysis, it was observed that the main coil had detached at the detachment zone (physical break) and the main coil was found broken.In addition, the main coil was stretched and coil suture was damaged.A function evaluation could not be performed due to the condition of the device.The returned device appeared to be severely damaged, it is likely that the damage was sustained to the main coil during the procedure and contributing to the reported event.Based on the analysis of the device and available information, an assignable cause of operational context was assigned to the reported event.
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