Patient information was not provided.Livanova (b)(4) manufactures the s5 system.The incident occurred in (b)(6).Through follow-up communication livanova learned that air/foam was noticed inside arterial line and arterial cannula after aortic declamping during aortic contropulsator insertion.In addition, it was learned that: there was no delayed surgical time.Debubbling phase was successfully carried out when priming the circuit.No emptying of the reservoir was observed/conducted.Livanova requested an onsite visit to investigate the machine and it was learned that currently the device is not available.The pump serial read-outs have been analyzed revealing that the bubble sensor was not used during the procedure.In addition, no hardware/software issues could be identified through analysis of pumps log.
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