LIVANOVA DEUTSCHLAND S5 ROLLER PUMP; CONSOLE, HEART-LUNG MACHINE, CARDIOPULMONARY BYPASS
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Model Number 10-80-00 |
Device Problem
Pumping Stopped (1503)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 08/14/2023 |
Event Type
malfunction
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Manufacturer Narrative
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A.1.-a.5.There was no patient involvement.H10: livanova deutschland manufactures the s5 roller pump.The incident occurred in seoul, south korea.The involved pump ran normally during first delivery of cold cardioplegic solution during surgery and it continued to run normally even when warm cardioplegic solution was delivered 90 minutes later.However, the pump suddenly stopped with an error message when warm cardioplegic solution was delivered again, 3 minutes later.The pump is being utilized by the customer for both the 1/4" tubing line and the 1/8" tubing line with blood cardioplegia simultaneously.Livanova initiated an investigation.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 deutschland received a report that a s5 roller pump, used as cardioplegia one, stopped and gave a motor control failure error message.The issue occurred during procedure.There was no patient injury.
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Event Description
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See initial report.
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Manufacturer Narrative
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Visual inspection of the complained pump found residue in pump raceway that were then removed.Raceway intact, no obvious malfunction of the bearing.Functional check performed.Serial readout and clear nvmem performed.The error code 442 indicates a detection of a set speed value different to actual value and can be due to: 1 occlusion too hard, 2 wrong tubing, 3 rotor blocked by foreign object or 4 rotor tight rotating -> bearing defective.Since per tssi activity the root cause 4 is excluded, the three remaining root causes (1, 2 and 3) are ascribable to user set up or user error, for this reason the event has been re-evaluated as not reportable.
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