The rapid infuser, ri-2 was returned to belmont for investigation and underwent testing according to our standard operating procedures, as well as stress testing at elevated temperatures for 48 hours.We were unable to duplicate the customer complaint that the screen was freezing.The functionality of the display, membrane switch, and cpu board were verified, and all cables in the system were checked for proper connections; the unit performed according to specification and passed all inspection requirements.Fluid contamination can cause problems with the membrane switch which may resolve once the fluid has dried, however belmont has replaced the membrane switch as a precaution.The operator's manual cautions the user: "immediately wipe any spills from the device." the service and preventive maintenance schedule outlined in the manual also instructs the user to check the unit seals every six months.Without the ability to reproduce the reported problem, a root cause cannot be established.The manufacturing records for this serial number were reviewed and no anomalies were identified.It was reported that another rapid infuser was used to complete the case; there was no injury to the patient.Belmont will continue to monitor and trend similar reports of this nature and take further action if required.Should additional information become available, a supplemental report will be provided.
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