It was reported that during use of the device for a cardiopulmonary bypass (cpb) procedure, the arterial roller pump stopped working randomly twice.No message was observed on the central control monitor (ccm) or the roller pump display.The device was not changed out, as the roller pump had been restarted by pressing button on the pump local control.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.Per the clinical review on (b)(6) 2014: there were no issues observed during set-up and preparation of the cpb circuit.No issues observed with the arterial roller pump prior to cpb.During cpb, the arterial pump stopped twice without warning and without any error codes or messages.There were no safety issues (air, low level, or high pressure conditions) at the time of the pump stops.At time of the stops, the local display was still illuminated with no sign of loss of power to the pump.Handcranking was not done, as the pump was re-started quickly by simply touching of the forward button.There were no other issues observed during the procedure.The case was completed successfully, without delay and without associated blood loss.
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