The manufacturer received information alleging a patient became disconnected from a ventilator and expired.The ventilator's downloaded event logs were reviewed by the manufacturer.The device maintains the event logs in non-volatile memory.An event, as logged by the device, includes every keypress, alarm or failure of the device to remain within specifications.There were no events logged related to device performance or device malfunctions.If a device malfunction occurred, the event logs would have contained entries related to the malfunction.The reported date of the event is (b)(6) 2020.The event log shows that the ventilator was turned on at 17:45:03 on (b)(6) 2020 and was alarming periodically for the next six (6) hours for low inspiratory pressure.Each time the low inspiratory pressure alarm occurred during this six (6) hours, the alarm self-corrected indicating that the patient condition no longer violated the setting.The alarm was reset at 23:17 with a manual keypress and fio2 was adjusted from 75% to 70%.At 0:32:04 on (b)(6) 2020, there was another low inspiratory pressure alarm sustained for 796 seconds (about 13 minutes).The event log entry indicates that the alarm self-corrected and then shows the ventilator was turned off at 01:01:23 on (b)(6) 2020.The manufacturer concludes the ventilator operated and alarmed as designed.
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