(b)(6).(b)(4).Investigation summary: in response to the event reported by your facility a device history review was conducted for lot number 9239030.Our records show that this is the only instance of this issue occurring in this production batch.According to the sampling plan applied for product performance, this lot was accepted and released without defects being noted during the final assembly or visual inspections.Additionally, visual evaluation of the submitted samples and the resulting review of the manufacturing process determined that the identity of the material is solidified silicone.Silicone is a material used to manufacture this device, and is applied to the catheter as a lubricant for reduced resistance during insertion.Excess application of the lubricant is currently possible due to limitations in the manufacturing process.Bd is currently investigating potential process changes to eliminate the occurrence of similar events.Investigation conclusion: there was visible silicon oil particle in the needle.No actual sample returned.The returned photos also showed silicone oil residue on the surface of the needle.Needle silicone oil investigation: according to the characteristics of silicone, during the high temperature and humidity , there may be a little precipitate on the needle.Bd's materials laboratory in the united states conducts a normative test on the silicone used in the product process.The test results show that the silicone is a lubricant for medical device products and meets the requirements of relevant iso and fda standards.Check the batch record, record of in-process inspection and final inspection.No fining on residual of silicone on the needle.The silicone is a lubricant for medical device products ,the substance is non-toxic and harmless meets the requirements of relevant iso and fda standards.The factory will continue to monitor such defect.
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