The rapid infuser was returned to belmont for investigation, and was tested using our standard operating procedures.Upon receipt, it was noted that four transistors on the driver boards were shorted and damaged, which caused the circuit breaker to trip, and prevented the unit from powering up in ac mode.We were unable to determine the root cause of the damaged transistors.The user facility reported that when the unit was unplugged, it would continue to run.The operator's manual provides ac input voltage requirements and instructs the user, "plug the system power cord into a dedicated-grounded, 3-prong, 20 amp, ac receptacle.Do not use an adaptor for ungrounded outlets." the manual also instructs the user: "ensure that circuit breaker is easily accessible to turn off in an emergency situation." the manufacturing records for this serial number were reviewed and nothing notable was observed.It was reported that there was no injury to the patient.Should additional information become available, a supplemental report will be submitted.
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The user facility reported the following: "received call from (b)(6), anesthesia, that rapid infuser was turning off when using for 7 hours.The power switch would trip.When unit was unplugged, it continued to run.He tried multiple outlets, and in a different room , still would cause unit to turn off.".
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