Date of event: the exact date of the event is unknown.The provided event date (b)(6) 2020 was chosen as a best estimate based on the date of receipt.The complainant was unable to report the upn and lot number; therefore the unique identifier (udi) #, manufacture date, and expiration date are unknown.(b)(4).The returned autotome was analyzed, and a visual evaluation noted that the cutting wire was detached, bent and blackened.Additionally, the working length was bent/kinked in three sections disabling the device performance.Based on the analysis of the returned device, the cutting wire was detached, bent and blackened.It is most likely that a peak of voltage could have caused the failures noted or if the device was not in contact with the tissue when it was energized.Additionally, working length bent could be caused during insertion into the scope if was not using short and deliberate movements; however there is no control in how devices are handled in the field.Therefore, the most probable cause of this complaint is adverse event related to procedure since the adverse event occurred during the procedure and the device had no influence on event.A review of the manufacturing records and ship history could not be performed since the batch number, upn and customer number was not reported.A labeling review was performed and from the information available, this device was used per the directions for use (dfu)/product label.
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