The customer reported that during treatment with a prismaflex machine, a malfunction of the calcium syringe occurred.The treatment type was regional citrate anticoagulation.The syringe containing calcium was replaced as planned.The calcium was to be delivered at approximately 8-9 ml/hr.However, approximately six hours after the syringe replacement, the supervising nurse found that the syringe was still full and therefore no calcium was delivered to the patient via the linear pump during this time interval.The nurse exchanged the syringe using the "change syringe" routine and found out that after this procedure, calcium was once again delivered in a regular manner.The treatment was switched to another prismaflex control unit later the same day.There was no patient injury or medical intervention associated with this event.No additional information is available.
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