No device failure detected.Additional manufacturer narrative: the device was returned for evaluation and the reported complaint ¿the balloon would not fully delate¿ was not confirmed.During visual examination, there was no visual damage, contamination or pertinent abnormality found on the device.The balloon of the device was inflated without any issues and deflated successfully according to the instructions for use (ifu).A review of the device history record (dhr) revealed no non-conformities related to the device.A manufacturing defect was not confirmed.Based on the information provided, a definitive root cause could not be determined.A review of the ifu was conducted and no inadequacies were identified with regards to warnings, contraindications, and the directions/conditions for the successful use of the device.The complaint trend was assessed and found to be in control.No further action is required at this time.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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