MAUDE Adverse Event Report: TERUMO BCT TRIMA ACCEL; TRIMA PLT SMPLR AUTOPAS, MULTI PLS, RBC

Catalog Number	4824602
Medical Device Problem Codes	Adverse Event Without Identified Device or Use Problem (2993); Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/16/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The customer would like the run data file investigated to determine a possible cause for the elevated white blood cell (wbc) content in the platelet product.Donor unit #: (b)(6) there was not a transfusion recipient or patient involved at the time of the residual wbc testing; therefore no patient information is reasonably known at the time of the event.The platelet collection set is not available for return because it was discarded by the customer.
Additional Manufacturer Narrative
Investigation: the run data file (rdf) was analyzed for this event.There was no conclusive root cause identified for the higher-than-expected wbc content in the platelet product reported for this procedure.Based on the available information, it cannot be ruled out that the higher-than-expected wbc content in the platelet product may have been donor-related.Investigation is in process, a follow-up report will be provided.
Additional Manufacturer Narrative
This report is being filed to provide additional information in d.4, h.6 and h.11.Investigation: the run data file (rdf) was analyzed for this event.There was no conclusive root cause identified for the higher-than-expected wbc content in the platelet product reported for this procedure.Based on the available information, it cannot be ruled out that the higher-than-expected wbc content in the platelet product may have been donor-related.The device history records (dhr) were reviewed for this lot.There were no events noted in the dhr that would have contributed to the elevated wbc count experienced by the customer.Root cause:a root cause assessment was performed for this complaint.The run data file was investigated for the procedure on 10/16/2025.The operator selected procedure 10, a 7.6e11 platelet yield + pas with 250 ml of plasma collection.There were no alerts displayed by the device or adjustments made by the operator during the collection.During the pas addition in the 116th minute, the system notified the operator to 'replace pas bag'.At the end of the 116-minute procedure, the trima accel system displayed the following messages: 'platelet product: label as leukoreduced' and 'plasma product: label as leukoreduced'.Although a definitive root cause was unable to be determined, it cannot be ruled out that the higher-than-expected wbc content in the platelet product may have been donor-related.
Event or Problem Description
The customer would like the run data file investigated to determine a possible cause for the elevated white blood cell (wbc) content in the platelet product.Donor unit #: (b)(6) there was not a transfusion recipient or patient involved at the time of the residual wbc testing, therefore no patient information is reasonably known at the time of the event.The platelet collection set is not available for return because it was discarded by the customer.
Additional Manufacturer Narrative
This report is being filed to provide additional information in h6 and h11.Investigation: the run data file (rdf) was analyzed for this event.There was no conclusive root cause identified for the higher-than-expected wbc content in the platelet product reported for this procedure.Based on the available information, it cannot be ruled out that the higher-than-expected wbc content in the platelet product may have been donor-related.The device history records (dhr) were reviewed for this lot.There were no events noted in the dhr that would have contributed to the elevated wbc count experienced by the customer.Investigation is in process, a follow-up report will be provided.
Event or Problem Description
The customer would like the run data file investigated to determine a possible cause for the elevated white blood cell (wbc) content in the platelet product.Donor unit #: (b)(4).There was not a transfusion recipient or patient involved at the time of the residual wbc testing, therefore no patient information is reasonably known at the time of the event.The platelet collection set is not available for return because it was discarded by the customer.

• Brand Name: TRIMA ACCEL
• Common Device Name: TRIMA PLT SMPLR AUTOPAS, MULTI PLS, RBC
• Manufacturer (Section D): TERUMO BCT; lakewood CO 80215
• Manufacturer (Section G): TERUMO BCT; 10810 w. collins ave; lakewood CO 80215
• Manufacturer Contact: scot hilden ; 10810 w. collins ave; lakewood, CO 80215
• MDR Report Key: 23543224
• Report Number: 1722028-2025-00245
• Device Sequence Number: 21153135
• Product Code: GKT
• UDI-Device Identifier: 05020583824607
• UDI-Public: 05020583824607
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: BK190332
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 11/13/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 4824602
• Device Lot Number: 2507232242
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/20/2025
• Supplement Date Received by Manufacturer: 01/15/2026; 01/22/2026
• Initial Report FDA Received Date: 11/13/2025
• Supplement Report FDA Received Date: 01/21/2026; 01/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/03/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Unknown