Alarm history and patient data file review found no new alarms recorded in the freedom driver's data file.Visual inspection of internal and external components revealed no damage or abnormalities.Freedom driver passed all incoming functional testing.Additional functional testing included a power cycle test, where left and right batteries are alternately replaced 10 times each.No alarms were produced during this test.Testing was not able to replicate the condition, no fault alarms occurred during this test.The driver's power adaptor and/or freedom batteries in use at the moment of the reported issue were not returned with the driver therefore; not included in the investigation.Failure investigation for this complaint could not confirm the reported issue via alarm history data review nor functional testing.The complaint was not replicated via functional testing.The root cause of the customer reported alarm was unable to be determined.Failure investigation identified no test failure, damage or abnormalities that could have contributed to the reported alarm.Driver functioned as intended.Patient was switched to back-up driver without any reported adverse impact.This issue will be monitored as part of the customer complaint process.Syncardia has completed its evaluation and is closing this file.(if new or additional information is received in the future, syncardia will file a follow-up mdr.) (b)(4) follow-up report 1.
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