The received pictures were reviewed, the pictures show a dark residue on a cotton swab, the product itself is not visible and therefore it cannot be confirmed that the residue is from the reported hook/triangle blade kit.A device inspection was not possible since the affected device was not returned and no other evidences were provided for investigation, therefore no further evaluation is possible.A review of the device history for the reported lot did not indicate any abnormalities.The reported lot was released in december 2021 with a lot size of (b)(4) kits and we are not aware of any other complaint of this nature for this lot.The review of the device history has shown that the affected lot did pass a bioburden test, a pyrogen test and a sterility test during the manufacturing process.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.If more information is provided, the case will be reassessed.
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