The device is not available for evaluation.Without the benefit of analyzing the explant, quality cannot confirm any observations and cannot comment on the condition of the device.Quality reviewed the manufacturing records for this device and confirmed that there were no discrepancies that would have contributed to this complaint and verified that the devices from this lot met all specifications prior to release.Review of nonconforming reports revealed no nonconformance with this lot that would have contributed to the event.A review of the complaint database revealed no significant trends in complaints of this type for lot 5537093.The information received indicated the device was not working, but because no functional abnormalities were noted by the physician, quality cannot confirm the complaint as reported.The most likely root cause of the event cannot be determined at this time.If the explanted device or additional information is received, quality will re-evaluate this event in accordance with procedures.Management routinely reviews events such as this and monitors complaint levels.Additionally, events of this type are captured in the product risk documentation.Based on this information, no further corrective action is required at this time.
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