Getinge usa sales, llc (importer) is submitting this report on behalf of maquet critical care ab (manufacturer).Ref.Exemption #: (b)(4).Getinge usa sales, llc (b)(4).Contact peron:(b)(6).The anesthesia workstation was investigated on site and nozzle units from the o2, n2o and the air fresh gas modules as well as the nozzle unit from the reflector gas module were replaced and returned for investigation.The nozzle unit is part of the gas module that regulates the inspiratory oxygen gas flow to the patient.An evaluation of the logs confirm the reported event.The nozzle units were subjected to simulated use testing in a reference anesthesia workstation.The reported high pressure alarm was not reproduced, nor were any other alarms or faults found.Pm is performed every 5000 hours of operation or at least once a year.The nozzle unit has a predetermined lifetime and is replaced at the extended pm every second year (24 months interval).It is possible that the replaced nozzle unit contributed to the reported issue but without having been able to reproduce the reported issue, the true cause of the reported event cannot be determined.
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