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It was initially reported the manufacturer received information alleging a ventilator failed to alarm when a patient became disconnected from the device.The patient expired.The ventilator was returned to the manufacturer for evaluation.The device passed all testing and was found to operate and alarm as designed.The ventilator's downloaded event logs were reviewed.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.Patient data logs were also downloaded from the ventilator.
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