Additional manufacturer narrative: method: device not available.The device was not returned for evaluation and no photos are available; therefore, the reported condition was unable to be confirmed.Manufacturing records were reviewed and there were no related manufacturing non-conformances identified.Based on the available information, root cause is unable to be determined definitively and a manufacturing defect is unable to be confirmed.Trends will continue to be monitored through the use of edwards quality systems and if action is required, appropriate investigation will be performed.
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