(b)(4).Investigation summary: a device history record review was completed by our quality engineer team for provided material number 306595 and lot number 0014497.The review did not reveal any detected abnormalities during the production process that could have contributed to this defect and all quality tests were found to be within specification.As a sample was unavailable for return, a thorough sample investigation could not be completed.Based on the investigation results, an exact cause for this incident could not be identified.Investigation conclusion: based on the investigation performed and with no sample analysis the symptom reported by the customer could not be confirmed; we will continue monitoring and trending the complaints to this lot and symptom.This lot was produced for 1.7 mm units, this is a cpm of 1.1.Root cause description: with no sample analysis a probable root cause could not be offered.Rationale: further action has not been determined necessary at this time.Complaints received for this device and reported condition will continue to be tracked and trended.Our quality team regularly reviews the collected data for identification of emerging trends.
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It was reported that the bd posiflush¿ normal saline syringe plunger was difficult to push in during the flush.The following information was provided by the initial reporter, translated from (b)(6) to english: "when the patient was given a standard plunger rod flush to seal the tube after the completion of the infusion, it cannot be pushed when it was pushed to 1/3, and it was normal after replacing new one.".
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