The customer reported that during a donation procedure, they noted blood not returning to the donor.When the needle was removed, a clot was found at the needle.Donor outcome is not known at this time.Due to eu patient privacy protection laws, the patient (donor) information is not available from the customer.The disposable set is unavailable for return because it was discarded by the customer.
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Investigation: the disposable set was unavailable for return.The customer was not able to provide additional details of the machine or the procedure.The device history record (dhr) was reviewed for this lot.There were no issues noted in the dhr that would have contributed to the needle clot experienced by the customer.Root cause: the definitive cause of the clot at the needle could not be determined.Clotting at the needle can occur from, but is not limited to, an inadequate ac ratio, use of the incorrect solution, a kinked or an occluded ac line, incorrect ac pump delivery, a poor needlestick, anda hypercoagulable apheresis donor.
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