Model Number 10-85-00 |
Device Problem
Pumping Stopped (1503)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 08/12/2022 |
Event Type
malfunction
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Manufacturer Narrative
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There was no patient involvement.Livanova deutschland manufactures the s5 double head pump.The incident occurred in headington, oxford, united kingdom.A livanova field service representative was dispatched to the facility to investigate the device and could not reproduce the reported issue.A loaner device will be provided to the customer.If any additional information pertinent to the reported event is received, it will be provided in a supplemental report.
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Event Description
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Livanova received report of multiple motor control failure error messages followed by another message ¿internal malfunction - remains operational¿.The s5 double head pump has been taken out of service.Reportedly, cardioplegia pump stopped working, after switching pump off and then on again the pump started to work again as expected.This has happened on a few occasions during priming.There was no patient involvement.
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Manufacturer Narrative
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H10: the device was returned and further functional tests were performed.No deviation could be found.Subsequent functional verification testing was completed without further issues and the unit was returned to service.
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Event Description
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See initial report.
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Manufacturer Narrative
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Livanova received report of multiple motor control failure error messages followed by another message ¿internal malfunction - remains operational¿.There was no patient involvement.Investigation based on the pictures provided by the customer revealed that the motor control failure occurred on all the pumps at the same time during the procedure.A livanova field service representative was dispatched to the facility to investigate the device and could not reproduce the reported issue.All the pumps used during the procedure were tested without finding any deviation.Analysis of the serial read-out of the pump (real time device parameters and setting recording file) confirmed that, on event day, a motor control failure has occurred (as per provided picture).Analysis identified also software resets.The cardioplegia pump was returned to be further analyzed.The roller pump was tested for 6 hours at the maximum allowed rpm (250 rpm) with the tubing size pre-set by the customer (1/4 tubing size).No deviations were observed.No error messages were displayed on the s5 control display module.Review of the livanova complaint databased revealed that the complained cardioplegia pump was involved in a previous similar case.Investigation of the previous event suggested that the root cause of the reported event was external electromagnetic interferences (emi) in the operation theatre.Based on all the above information, the most likely root cause of this reported event is traced back to emi.The risk is in the acceptable region.No action is deemed necessary.Livanova will keep monitoring the marked.
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Event Description
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See intial report.
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Search Alerts/Recalls
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