(b)(4).Maquet provides product failure investigation, analysis and resolution for the device described in this report.A maquet service technician explained via phone call with a nurse, an engineer, and the flight nurse, that if they turned off the gas flow, then the oxygenator would not receive any gas and it wouldn't matter what the fio2 setting was, there was no gas flow to allow any ventilation to the oxygenator.After this conversation they seemed to understand that the event was related to how a blender works and not the cardiohelp function.The cardiohelp device has been requested for return to perform eval.A supplemental medwatch will be submitted if additional info becomes available.(b)(4).
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