(b)(4).Upon completion of the investigation it was noted that the valve is a precision valve with 4 dots.The valve was visually inspected; no defects were noted.The valve was irrigated with purified water.No occlusion was noted.The catheter was irrigated with purified water, no occlusion was noted.The valve was dried.The valve was leak tested.No leaks were noted.The valve was then pressure tested, the valve passed the test.The lot history record was reviewed for completeness during the release process to inventory.At that time based on the fact that no discrepancies were noted for the products being accepted, they were released to stock on the 19th august 2004.No root cause could be determined as the problem reported by the customer could not be duplicated.Based on the results of this investigation no further action is required.Trends will be monitored for this and similar complaints.At the present time this complaint is closed.
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