Additional information has been provided.The system was examined and the reported event was not replicated.However, the company representative suspected that the vitrectomy issues were due to user error, since the footswitch settings were misaligned.As a correction, the company representative advised the surgeon how to use the footswitch and system.The system was tested and found to meet product specifications.A review of the customer¿s complaint history for the last 24 months did not show any previous complaints of this kind against the system.The system was manufactured on (b)(6) 2004.Based on qa assessment, the product met specifications at the time of release.The system was found to meet specifications.Therefore, the root cause of the reported event cannot be determined conclusively.The manufacturer internal reference number is: (b)(4).
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