The esu was returned and thoroughly inspected/tested.Simulated testing with an active cord and snare wire demonstrated that the unit was/is functioning as intended (i.E., output energy was delivered to the instrument.).The evaluation included an electrical safety check, a functional check of each of the equipment's features and a power output check.The generator was/is within specifications and all features were/are functioning properly.In addition, no anomalies were found in the device history record (dhr) of the involved device.Based upon the findings, no equipment problem was found that would have caused or contributed to the event.Most likely, there were many factors involved in the reported incident.Specifically, upon the intervention, the remaining tissue of the bowl did not stay intact which resulted in the perforation.In conclusion, no determination could be made as to the cause of the event.The involved medical personnel are being made aware of the findings.To further address the issue, additional in-service work will be offered to the medical staff at the hospital.No trends have been identified and erbe usa, inc.Is now closing the file on this event.
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