Through follow-up communication, livanova (b)(4) learned that the follower pump was being used for selective cerebral perfusion, and that the master-follower configuration of the pumps was lost.Livanova (b)(4) was provided the log files of the pumps.A read out analysis was performed at livanova (b)(4), which revealed that there were no events about a log out of the master pump.This implies that the connection between master and follower pump was never taken out.The reported issue could not be confirmed.As the issue could not be confirmed, a root cause was not identified.
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