A review of the device history record was not performed during this investigation as the lot number was not received with the complaint.All device history records are reviewed and approved by quality prior to release of product.Because there was no lot number, a date of manufacture could not be determined.According to the complaint details the electrodes were being returned for evaluation.As of date the investigating/mfg.Site has not received the electrodes for evaluation.Given the information provided in the complaint and its investigation, no root cause could be identified manufacturing related deviations from the required specifications or process.From a potential root cause perspective unrelated to the manufacturing process, defibrillation electrodes can pose a shock hazard to the rescuer.1) the defibrillator delivers up to 360 j of electrical energy.When discharging the defibrillator, do not touch the paddle electrode surfaces or disposable therapy electrodes.2) if a person is touching the patient, bed, or any conductive material in contact with the patient during defibrillation, the delivered energy may be partially discharged through that person.Clear everyone away from contact with the patient, bed, and other conductive material before discharging the defibrillator.3) do not discharge the defibrillator into the open air.To remove an unwanted charge, change the energy selection, select disarm, or turn off the defibrillator.No corrective or preventative actions are necessary at this time as no root cause related to the manufacturing process was identified.We will continue to trend this event for future occurrences as part of the complaint review process.If information is provided in the future, a supplemental report will be issued.
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