The customer reported that the hydro-cannula occasionally detaches from the syringe while in use.This is the first complaint for the custom pak finish goods lot and the first complaint reported for this issue.A review of the device history records indicates the order was built to specification.A complaint history examination indicated there were no additional complaints associated with the lot for the reported issue.One syringe was returned and investigated by the supplier.The suppliers translated report is attached to the parent file.The returned sample had no defect such as a crack, deform, or foreign material attached on the point of the syringe which leads to a weaker connection.No loose connection or abnormality was confirmed.The sample was inspected using a gauge under jis (japanese industrial standards) specification.The sample was within the standard specification.The manufacturing inspection record was reviewed.The outer syringe was formed by inserting dissolved raw material resin with high-pressure into a formed gauge-outed metal mold.Next, it is cooled and tightened and manufactured consecutively.Sampling is completed per 8 hours on the size and the formation.In addition, one cannula was also received in a small parts tray and was found to be conforming.The sample was functionally tested for luer taper, fit with a syringe and air flow and was found conforming for all functional testing.The returned samples were found to be conforming; therefore, root cause of the customer's complaint could not be established as the sample met specifications.After a thorough investigation of this complaint, it has been determined that no action will be taken at this time as the returned sample met specifications.The manufacturer internal reference number is: (b)(4).
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