The customer reported to olympus that the hf-cable, monopolar had a spark at the base of the cable on the scalpel side, followed by smoke and sectioning of the cable.The event occurred during a therapeutic resection procedure.There was no patient harm associated with the event.
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This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.The device was returned to olympus for inspection, and the reportable malfunction was confirmed finding a cable is damaged/broken.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the root cause of the reported event is unable to be determined.However, the cause of the event is likely due to age-related wear and tear in connection with improper handling.The event can be detected by following the instructions for use (ifu) which state: please note: to avoid this failure, oste recommends following the instructions in the ifu, which states that the service life of hf cables is restricted to one year.Furthermore, the cable must be inspected before and after each use and reprocessing cycle.This can be done by slightly pulling the plug to identify if wires inside the cable are pre-damaged (a force with 20 n at most shall be used when pulling the plug).When the cable remains rigid and does not bend, this area of the cable is very likely faultless.Additionally, the cable shall be wound up with a diameter of less than 10 cm.When removing the cable, the plug shall be pulled and not the cable.Olympus will continue to monitor field performance for this device.
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