There are many possible root causes of the reported rupture/leakage of the device.It is unlikely that the root cause is related to a manufacturing non conformance as the device maintained occlusion and tested well during prep.It is unlikely that the root cause is related to a design deficiency.It is possible that the root cause is related to a specific incident during the procedure such as overinflation, damage during prep, or a needle strike by the physician.From the available information root cause cannot be determined.Requests for additional information were not returned.Manufacturing records, instructions for use and training records were reviewed for this device and there were no additional concerns.Trends remains in control.Trends will continue to be monitored through the edwards quality system and any new information will be reviewed for further analysis.
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