Trackwise#: (b)(4).Updated sections: b4, g4, g7, h2, h3, h6, h10, h11 corrected sections: h6--changed problem code to 1451 the device was returned to the factory for evaluation on (b)(6)2022.An investigation was conducted on (b)(6)2022.A visual inspection was conducted.Signs of clinical use and evidence of blood was observed on the harvesting device handle as well as on the cannula.The harvesting device was observed to be intact, with no visual defects observed.The cannula was observed to be intact, with no visual defects observed.The harvesting device was returned inside the cannula.A mechanical evaluation was conducted.The harvesting device was removed from the cannula with no physical or visual difficulties.A reference endoscope was inserted into the cannula until it snapped into place with no physical or visual difficulties.The harvesting device was inserted into the cannula with no physical or visual difficulties.A white piece of material was observed.An engineer evaluation was conducted on (b)(6)2022.Photographs were taken of the inner lumen, and it was observed that there were nicks and scratches on the lumen.No other visual defects were observed.Based on the returned condition of the device, the reported failure "particulates; shavings¿ was confirmed.The lot #3000234005 history record review was completed.There were no ncmrs, rework, or deviations documented for the reported lot number.Based on the dhr/lhr review results, it was determined that there is no relation between the batch manufacturing process and the reported failure.
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