For the investigation the logfile was analysed.Other than initially expected no indication for a malfunction of the device was found.It was possible to retrace the case in question and it was concluded that the descriped issue was most likely caused by a significant circuit leak leading to a loss of pressure, volume and fresh gas.The device issued several alarms (e.G.Fresh gas low or leakage, apnea, minute volume low) during the case as specified in order to call the attention of the user.According to the result of the investigation the case has been assessed to be not reportable in accordance to the meddev 2.12 document and mdr.
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