The affected device was examined on site by dräger service technician and information was provided for further investigation at the manufacturer¿s site.Based on the investigation it was not possible to finally clarify whether or not the event happened during use on the patient although there was no indication found for a failure during use on a patient.It had been reported that the error message "17 00 00 00 00 ventilator inop" was posted as constant alarm during charging the device at the date of event.The error message "17 00 00 00 00 ventilator inop" indicates that the mv valve is blocked.In case of the technical problem (¿ventilator inop¿) the device alarms visually and acoustically, and the ventilation stops.In this case an alternative independent ventilation device has to be used instantly, as described in the instructions for use.There were no patient health consequences reported.The affected device was manufactured in march 2004 and considered as "end of life".The device was scrapped onsite and not available for further investigation.The number of similar cases, related to the same root cause, is within the expected range of the respective risk assessment and thus accepted.
|