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The device, used in treatment, was returned for evaluation.There was a relationship found between the returned device and the reported incident.A review of manufacturing records for the reported lot number found no non-conformances or anomalies during manufacturing process related to the reported event.A complaint history review found no related failures; this failure mode will be trended to assess for any necessary corrective actions.Visual inspection of the device revealed minimal erosion of the electrode tip.The device was connected to a known good controller, which revealed that the wand's mechanical use limiting system (muls) was activated, preventing the output of the wand.The wand was then bypassed, which revealed that the device's ablate and coagulate functions performed as intended.The complaint was verified as the device's muls was activated.The root cause was determined to be due to reuse of a single device.Factors, which may have contributed to the reported complaint include: (1) previous use (2) disconnecting the wand from the controller after power has been turned on.There were no indications that would suggest that the device did not meet product specifications upon release into distribution.
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