Model Number UES-40 |
Device Problem
Noise, Audible (3273)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 04/27/2022 |
Event Type
malfunction
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Manufacturer Narrative
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The device was returned to olympus for evaluation.The evaluation was unable to duplicate the reported abnormal noise from the device.There were corrosion traces of liquid in the device.The output value of monopole electrocoagulation was low due to defective circuit board, which resulted in display of er02 (short circuit error).The investigation is ongoing; therefore, the root cause of the reported event cannot be determined at this time.However, if additional information becomes available this report will be supplemented accordingly.
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Event Description
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The customer reported that there was alarm when the device worked, and there was louder noise of the fan.The procedure was completed with no reported delay.The fault occurred after use.The customer further reported that the device did not work with alarm when the device was activated.The user did not remember the specific error code, it was said that the error code appeared in the screen when the device worked.It was initially thought that the circuit board was defective.No patient injury reported.
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Manufacturer Narrative
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This report is being supplemented to provide additional information based on the legal manufacturer¿s final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 14 years since the subject device was manufactured.Based on the results of the investigation, the root cause could not be identified because the subject device was not returned to the shirakawa factory, and the phenomenon was not reproduced.However, given that corrosion mark inside the device was confirmed, one of the circuit boards may have malfunctioned causing fan control to not function normally.Also, foreign matter may have entered the fan temporarily.The instructions for use (ifu) states the following: important information ¿ please read before use warning to prevent operator shock and instrument damage, keep liquids away from all electrical equipment.If liquid gets on or into the ues-40, terminate operation immediately and contact olympus.Olympus will continue to monitor field performance of this device.
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Search Alerts/Recalls
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