(b)(4).The concorde clear 30deg 5mm was not returned to the customer quality unit for evaluation.A device history record review did not identify any issues that may have caused or contributed to the reported event.Without the return of the concorde clear 30deg 5mm we are unable to confirm the reported issue or identify the root cause.As no issues were identified during the manufacturing and release of this device that could have contributed to the problem reported by the customer.Therefore, this complaint file will be closed with no further action required.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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