This report is being updated to provide investigation findings.New information is reported in h6, and h10.The device history record (dhr) for the complaint device has been reviewed and it is confirmed that the device met all design and quality specification when it was shipped.Conclusion: the definitive cause of the reported events could not be established.Based on the available information, it is presumed that the cleaning brush used during reprocessing broke off into biopsy channel, and the broken pieces remained in biopsy channel.
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