On (b)(6) 2013, at the (b)(6) a rotaflow console (serial number (b)(4)) and rotaflow drive (not known) was being set up and primed as routine.Seventeen (17) minutes into the pump run, the rotaflow started to alarm and there were dash marks in the lpm screen, however, the rpms were between 3300-3400.The volume and pressures were acceptable so there was flow.The tubing came off the pump, contact cream was reapplied and the tubing went back on the pump.The lpm still would not read but had flow.A back up rotaflow console was placed into the room.The drive line was swapped out into a new console.It is unclear if the pump was turned off during the drive line change.When the console was turned back on, still no lpms but there was a rpm readout.A replacement drive was obtained and used on the second console.Once this swapped occurred the rpm and lpm were present and the unit went back on bypass.Hand cranking was performed for 30 seconds to a minute when these activities were performed.No effects to the patient.Reference complaint (b)(4).
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