The customer reported that the freedom driver exhibited abnormal noises while supporting a patient.The customer also reported that the patient was subsequently switched to the backup freedom driver.There was no reported adverse patient impact.The freedom driver was returned to syncardia for evaluation.Visual inspection of the external and internal components revealed no abnormalities.The freedom driver was tested and it passed all test acceptance criteria, including normotensive and hypertensive patient simulator settings, with no anomalies, unusual noises or unintended alarms.The driver was then tested for an additional 48 hours under normotensive patient simulator settings and performed as intended.The reported abnormal noises were not reproduced during investigation testing.The investigation determined that the freedom driver performed as intended, and there was no evidence of a device malfunction.The driver was serviced and passed all final performance testing.The reported issue posed a low risk to the patient because the freedom driver continued to perform its life-sustaining functions.This issue will continue to be monitored and trended as part of the customer experience process.Syncardia has completed its evaluation of this complaint and is closing this file.
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