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Updated fields - b4, d9, g3, g6, h2, h3, h4, h6 type of investigation, investigation findings, investigation conclusions, h11 no decon or visual inspection performed since product was not returned and could not be evaluated.A customer contacted the emergency support program reporting intermittent autofill failure alarms on a cardiosave pump during use.No patient harm or injury occurred.Hardik, an md in the heart & lung transplant unit, explained that therapy could be restarted each time, but the alarms continued to recur.Troubleshooting confirmed the patient was stable with an axillary balloon, and an off label disclaimer was provided.During discussion, hardik noted the balloon catheter had a loop in its secured position but preferred not to adjust it overnight without a surgeon present.He also stated that three pumps had been exchanged prior to calling support.At the time of the call, the pump was no longer alarming.Hardik agreed to inspect the catheter for bends or kinks and planned to inform the day team to resecure the balloon to eliminate any tubing bends.Complaint information was collected, and hardik expressed appreciation with no further questions.Since the product was not returned, we were unable to perform a device evaluation.Based on the event description, the insertion was reported to be axillary, which is not the method described in the device instructions for use.This may have contributed to the reported failure.However since the product was not returned, we were unable to evaluate the device.Therefore, the reported failure cannot be confirmed and cannot determine a root cause.
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