The investigation of the case in question was performed based on the provided information and the fabius plus xl log file.For the reported time in question no entries were registered in the log so that the reported event - device and monitor turned off - could neither be confirmed nor comprehended.In general, a shutdown of the device is accompanied by an alarm to inform the user about the situation.We were informed that no alarm was posted in connection with the reported (and not confirmed) shutdown.If automatic ventilation is no longer possible the procedure can be continued using manual ventilation as described in the instructions for use (ifu).Reportedly no pre-use check was performed before start of the procedure in question.According to the ifu a checkout must be performed daily before use of the device to ensure that the medical device is ready for operation.The fabius plus xl is equipped with an integrated volume and pressure monitoring.If alarm limits set by the user are reached a corresponding alarm is posted.Finally, no indication for a device malfunction could be identified.The reported shutdown could not be confirmed and there were no indications for a ventilator failure found.Thus, dräger concludes that a contribution of the device in question to the reported patient outcome can be excluded.Even in switched-off state, as also described in the ifu, spontaneous breathing as well as manual ventilation including all pneumatic functions, e.G.Apl valve, pressure gauge for the airway pressure, s-orc and flow control valves for o2, air and n2o are available.
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