The customer reported that post donation on a trima device, the donor presented with a hematoma a bit further up the arm than the venipuncture site.Per the customer, the procedure was carried out normally and only low extraction (draw) pressure alarms occured with instructions for the donor to open and close his hand.The procedure was ended with rinse back and no other issues presented.The donor did not present any pain or upset and the puncture point did not show any lesions.Minutes later, after the procedure end and the donor was disconnected, a hematoma presented and the donor was taken to the customer urgency department.He was evaluated by the angiology and vascular surgery department and discharged the same day.Per the customer, the donor status is "ok" and no surgery was needed.Patient id is not available at this time.The collection set is not available for return because it was discarded by the customer.
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This report is being filed to provide in investigation: the run data file (rdf) was analyzed for this event.The trima system monitorsthe pressure signals in the inlet and return lines throughout the entirety of the procedure.Thesesignals will alert the operator to low draw pressure and high return pressure if the donor venousaccess is not adequate.Signals from the run data file showed sudden changes in pressure at eachof the ¿draw pressure too low¿ alerts, which indicates that the donor may have moved their armor the needle may have become unsecured, leading to slight donor injury.There is no evidence orsuspicion of device malfunction based on the run data file analysis.Root cause: a definitive root cause for the donor's hematoma could not be determined.Possible causes include but are not limited to:- poor phlebotomy technique- rapid return flows- unsecured needle, donor moved arm during procedure that compromised needle positionthere was no evidence or suspicion of device malfunction based on the run data file analysis.
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