FDA Adverse Event Malfunction Summary report: N

IMUFLEX DISPOSABLES

MDR report key: 3243016 · Received July 23, 2013

Report

Report Number
1722028-2013-01309
Event Type
Malfunction
Date Received
July 23, 2013
Date of Event
June 1, 2013
Report Date
June 25, 2013
Manufacturer
TERUMO CORPORATION/TERUMO BCT
Product Code
CAK
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WI, US
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

(B)(4). INVESTIGATION EVALUATION AND CORRECTIVE ACTIONS ARE IN-PROCESS. A FOLLOW-UP REPORT WILL BE PROVIDED.

Additional Manufacturer Narrative · 1

INVESTIGATION: THE DISPOSABLE SETS WERE RECEIVED FOR EVALUATION. SAMPLES WERE TAKEN FROM THE PLASMA BAGS FOR HEMOLYSIS TESTING, WITH HEMOLYSIS FOUND. THE CONCENTRATIONS OF FREE HEMOGLOBIN OF SUPERNATANT WERE MEASURED. TWO OF THE THREE SAMPLES TESTED SHOWED A CONCENTRATION OF LESS THAN 20 MG/DL. HEMOLYSIS TESTING WAS PERFORMED ON THE CATIONIZED AND SUPER-CATIONIZED MEMBRANES THAT WERE SAMPLED FROM A TYPICAL HEMOLYZED LOT. HEMOLYSIS WAS FOUND. RESERVE SAMPLES FOR THIS LOT WERE VISUALLY EXAMINED, AND THE SOLUTION VOLUME AND SOLUTION COMPOSITION WERE TESTED, WITH NO ABNORMALITIES NOTED. THE MANUFACTURING AND TESTING RECORDS WERE REVIEWED. THE LOT CONFORMED TO ALL SPECIFICATIONS. THE PRETREATMENT PROCESS OF CATIONIZATION HAD BEEN SWITCHED TO ANOTHER MACHINE,AFFECTING THIS LOT. ROOT CAUSE: WITH TWO OF THE SAMPLES RESULTS HAVING LESS THAN 20 MG/DL, IT IS INFERRED THAT THE PLASMA HAD BEEN AFFECTED BY RED BLOOD CELLS, NOT HEMOLYSIS. REGARDING THE THIRD SAMPLE,BASED ON THE HEMOLYSIS TESTING AND QUALITY COMPLAINTS, IT IS POSSIBLE THAT ONE OR MORE OF THE FOLLOWING ROOT CAUSES ARE: IT IS POSSIBLE THAT THE CATIONIZATION LEVELS OF THE FILTER IS CAUSING THE HEMOLYSIS. THE PRETREATMENT PROCESS FOR CATIONIZATION WAS MOVED TO ANOTHER MACHINE. HEMOLYSIS CAN ALSO BE CAUSED BY THE FOLLOWING: CHARACTERISTICS OF BLOOD, E.G. RED BLOOD CELL FRAGILITY-BACTERIAL CONTAMINATION-EXCESSIVE COOLING-FILTER CLOGGING - FILTRATION TIME IS EXTENDED BECAUSE THE FILTER IS LIKELY TO CLOG, AND WHEN RED BLOOD CELLS FLOW THROUGH SUCH A FILTER, A PHYSICAL STRESS ON THE RED BLOOD CELLS MAY CAUSE HEMOLYSIS. CORRECTIVE ACTION:THE PRETREATMENT PROCESS OF CATIONIZATION HAS BEEN MOVED BACK TO THE ORIGINAL MACHINE. WHEN AGGREGATION IS OBSERVED IN THE BLOOD PRIOR TO FILTRATION, THE LEUKOREDUCTION FILTER IS LIKELY TO CLOG OR FILTRATION RATE TO SLOW. THE RISK FOR DEVELOPMENT OF BLOOD AGGREGATES CAN BE DECREASED BY AGITATING THE BLOOD DURING AND AT THE END OF BLOOD COLLECTION, SO THAT FILTER BLOCKAGE CAN BE PREVENTED. ALSO, IN ORDER REDUCE THE RISK OF SLOW BLOOD FLOW, THE BAG SHOULD BE AGITATED BEFORE THE START OF FILTRATION TO EVENLY DISPERSE SEPARATED BLOOD COMPONENTS.

Description of Event or Problem · 1

THE CUSTOMER REPORTED A UNIT OF RED-TINGED PLASMA DERIVED FROM WHOLE BLOOD THAT THEY HAVE DESCRIBED AS BEING HEMOLYZED. THERE WAS NOT A TRANSFUSION RECIPIENT OR PATIENT INVOLVED AT THE TIME OF THE WHOLE BLOOD PROCESSING FOR PLASMA UNITS, THEREFORE NO PATIENT INFORMATION IS REASONABLY KNOWN AT THE TIME OF THE EVENT. THIS REPORT IS BEING FILED DUE TO A DEVICE MALFUNCTION THAT HAS THE POTENTIAL FOR INJURY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
342480 IMUFLEX DISPOSABLES IMUFLEX WB-RP BLOOD BAG SYSTEM CAK TERUMO CORPORATION/TERUMO BCT 130311KL

Patients

Seq Age Sex Outcome Treatment
1 Other