Catalog Number 4122201 |
Device Problems
Adverse Event Without Identified Device or Use Problem (2993); Insufficient Information (3190)
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Patient Problem
Hemolysis (1886)
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Event Date 11/18/2023 |
Event Type
malfunction
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Manufacturer Narrative
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Investigation: a terumo bct service technician checked out the machine at the customer site.The technician performed a successful autotest.The technician performed occlusion testing for pump rotors and pressure sensor verification successfully.Red blood cell detector verification was performed with no issues and the technician could not duplicate any errors.Investigation is in process, a follow-up report will be provided.
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Event Description
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The customer reported that during a therapeutic plasma exchange (tpe) procedure cells were detected in the plasma line in centrifuge.The color of the plasma in the connector was dark and occurred about 30 min into the run.The customer disabled aim and the alarm continued at which point she did a rinse back on the machine.Patient id is unknown at this time.Patient in stable condition the collection set is not available for return because it was discarded by the customer.
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Manufacturer Narrative
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Investigation: a terumo bct service technician checked out the machine at the customer site.The technician performed a successful autotest.The technician performed occlusion testing for pump rotors and pressure sensor verification successfully.Red blood cell detector verification was performed with no issues and the technician could not duplicate any errors.A disposable complaint history search was performed for this lot and found no reports for similar issues on this lot.A review of the device history record (dhr) for this unit showed no irregularities during manufacturing that were relevant to this issue.Root cause: a root cause assessment was performed for this complaint.Based on the available information a definitive root cause for hemolysis could not be determined but it is likely due to one or a combination of the possible causes listed below: * hemolysis due to inlet needle replaced with smaller diameter or incompletely broken septum resulting in rbcs exposed to pressure drop in the inlet line.* hemolysis due to pinched return line resulting in rbc¿s exposed to pressure drop in return line.* hemolysis due to pinched inlet line resulting in rbcs exposed to pressure drop in inlet line.* hemolysis due to an occlusion in the tubing resulting in rbcs exposed to a pressure drop.* patient's underlying disease state.* patient's medication and/or medical treatment.
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Event Description
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The customer reported that during a therapeutic plasma exchange (tpe) procedure cells were detected in the plasma line in centrifuge.The color of the plasma in the connector was dark and occurred about 30 min into the run.The customer disabled aim and the alarm continued at which point she did a rinse back on the machine.After multiple follow-up attempts, patient id was not provided by the customer.Patient in stable condition the collection set is not available for return because it was discarded by the customer.
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Search Alerts/Recalls
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