(b)(4).A device history record review was performed on the kit, lor syringe, and medicine cup with no relevant findings.The customer reported seeing black particulates in the medicine cup after using a glass lor syringe.The customer returned one glass lor syringe.The returned sample was visually examined with and without magnification.Visual examination of the returned syringe revealed that the syringe was wrapped in parafilm, reference attached files (b)(4).Microscopic examination revealed that there were black particulates found on the bottom of the barrel closest to the tip.Black particulate was also found near the teflon ring and particulate was found on the barrel of the syringe.Nonconformance, (b)(4), have been imitated to further investigate this complaint issue.The reported complaint of black particulates on the medicine cup after flushing the lor syringe was confirmed based on the sample received.Microscopic examination revealed that there were black particulates found on the bottom of the barrel other remarks: closest to the tip.Black particulate was also found near the teflon ring and particulate was found on the barrel of the syringe.A device history record review was performed on the kit, lor syringe, and medicine cup with no evidence to indicate a manufacturing related issue.The lor syringe is a purchased part.Therefore, the potential root cause of this issue is supplier related.A nonconformance, (b)(4), has been initiated to further investigate this issue.
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