(b)(4).Upon completion of the investigation it was noted that the images were taken of the valve ¿as received¿.The valve was visually inspected: biological debris was noted inside the valve casing, as well as needle holes in the needle chamber.The position of the cam when valve was received was not visible due to the biological debris.The valve was hydrated.The valve was could not be program tested due to the biological debris covering the cam mechanism.The valve was flushed, the valve passed the test no occlusion was noted.The valve was leak tested, only leaked from the needle holes in the needle chamber.The valve was reflux tested.The valve failed the test.The valve was dried.The valve could not be pressure tested due to the biological debris covering the cam mechanism.The valve was dismantled and was examined under microscope at appropriate magnification: biological debris was found covering the valve mechanism.Review of the history device records confirmed the valve product code 82-3164, with lot cvjb4p, conformed to the specifications when released to stock on the 9th september 2016.The root cause of the problem reported by the customer is due to the biological debris found covering all of the valve¿s mechanism.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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