(b)(4).Reporter's name and phone number were not provided.This device was returned for service; however, did not meet manufacturing specifications during pre-repair assessment.Reliability engineering evaluated the device and the reported condition was duplicated and confirmed.The assignable root cause was determined to be due to normal wear from use and servicing over time.If additional information should become available, a supplemental medwatch report will be sent accordingly.
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It was reported from (b)(6) that the small battery drive device had an undetermined malfunction.During service and evaluation, it was observed that the small battery drive device control unit was not functioning, the motor was crunching and the coupling head was worn.It was further determined that the device failed the following pre-tests: check the off/osc/on switch mode function, check the oscillation angle, check switching function, check the triggers and electronic control unit (ecu) function, check compatibility between colibriisbd and colibri ii/sbd ii, check the function with electric pen drive (epd)-console and check power with test bench.This event did not occur during surgery.There was no patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.The exact date of this event was unknown.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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