This report is being supplemented to provide additional information based on the legal manufacturer's investigation.A review of the device history record confirms the subject device was shipped in accordance to specifications.Based on the results of the legal manufacturer's investigation, since the reprocess was performed with the grease adhering to the inside of the reprocessing basin, the grease was mixed with the disinfectant and appeared black.In addition, the inner surface of the hose peeled off due to deterioration, and when the disinfectant was pumped up, it came out as a foreign substance.However, since it was reprocessed as it was, it seemed to be discolored when mixed with the disinfectant.
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