On (b)(6) 2018, the subject uhi-3 suddenly increased the air pressure to the overpressure alarm during a uterus adnexectomy.The user restart the subject uhi-3 and the failure phenomenon was resolved.The user completed the intended procedure with the subject uhi-3.There was no report of the patient¿s injury regarding this event on (b)(6) 2018.The subject uhi-3 had been used until (b)(6) 2019.On (b)(6) 2019, the same failure, which the subject uhi-3 suddenly increased the air pressure, was occurred again.The user restart the subject uhi-3 but the failure still existed.The user suspended use of the subject uhi-3 and send to the olympus repair center.There was no report of the patient¿s injury regarding this event on (b)(6) 2019.
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The subject uhi-3 was not returned to olympus medical systems corp.(omsc) for evaluation.Therefore, the exact cause of the reported event could not be conclusively determined.However, the subject uhi-3 was returned to olympus local repair center for the repair.As an evaluation result of the subject uhi-3 by a local repair engineer, there was no abnormality found.The subject uhi-3 was returned to the user.And there has been no report that any failures occurred since the subject uhi-3 returned to the user.The device history record was reviewed and found no irregularities.Based on the evaluation result so far, omsc surmised that the reported failure phenomenon, which the subject uhi-3 suddenly increased the air pressure, was caused by another device/factor other than the subject uhi-3.
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