A user facility biomed technician reported that during a patient treatment blood back flowed through the heparin syringe and out the plunger.Upon follow up with the biomed, it was confirmed that the blood loss was caused by a defective seal between the plunger and the heparin syringe.It was confirmed the estimate blood loss was 5ml, and it was confirmed the patient stayed on the same machine to complete treatment with no injury, adverse event, or medical intervention.(b)(4).This report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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