It was reported that a ¿pump stop error¿ or possible other error that stopped the pump.The information from the customer was limited as he could not determine the specific alarm or cause of the error.The hls set was switched to the emergency drive and to another cardiohelp device.Than the hls set was switched back to the original cardiohelp console and functioned normally.Patient is currently on the original console.The failure occurred during patient treatment.A getinge field service technician (fst) was sent for investigation 2023-11-21.The fst was unable to reproduce the reported issue and ran the unit on the test set for 30 minutes without any issues.The fst performed safety, calibration, and functionality checks to factory specifications.All function tests are passed.The log files of the reported cardiohelp device were reviewed and according to the fst there were no errors found in the logs.The "pump stop" event was logged, but the pump started at the same time again.Therefore the event "pump stop" could be confirmed on the date of event, but no failure of the device could be confirmed.As the failure was not reproducible and no error message was logged, the root cause remains unknown.According to the instruction for use (ifu) of the cardiohelp chapter 2.2.5 "monitoring and sensors" it is stated that the bubble sensor can trigger an unexpected pump stop in the following circumstances: during administration of contrast agents for diagnostics due to a difference in the acoustic properties of the fluids.During contrast echocardiography with microbubbles.Based on the results the reported event "pump stopped" could be confirmed, but was not related to a device malfunction.The customer will be informed about the results by the getinge sales and service unit.The occurrence rate was calculated for the reported issue and it was determined that this is not a systemic issue.Therefore, no remedial action is required.The occurrence rate related to the reported issue is currently being monitored as part of maquet cardiopulmonary¿ s trending program and additional investigations or corrections will be implemented in case of adverse trending.
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