It was initially reported that the device would be returned for evaluation.However, multiple attempts to obtain the sample were unsuccessful.This report has been updated to reflect the corrected information.Complaint sample was not returned to codman and no product or lot number information has been provided; therefore, an evaluation of the device could not be performed and manufacturing records could not be reviewed.The cause(s) of the difficulty reported by the customer could not be determined.If the complaint sample becomes available, this complaint will be reopened, and the respective evaluation performed.Trends will be monitored for this or similar complaints.At present, we consider this complaint to be closed.
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(b)(4).Upon completion of the investigation it was noted that the images were taken of the ¿as received¿ valve.The valve was visually inspected; biological debris was noted inside the valve.The position of the cam when valve was received was 16mmh2o.The valve was hydrated.The valve was tested for programming with programmer 82-3126 with serial number (b)(4).The valve passed the test.The valve was flushed, the valve passed the test.The valve was leak tested, no leaks noted.The catheter was irrigated, no occlusions noted.The valve was reflux tested, the valve passed the test.The siphon guard was tested.The siphon guard passed the test.The valve was dried.The siphon guard was removed.The valve was then pressure tested, the valve failed the test.The valve was dismantled and was examined under microscope at appropriate magnification: biological debris was found on the spring, on the spring pillar, on the ruby ball, on the seat of the ruby ball, and on the base plate.Review of the history device records for the valve product code ns9008 with lot cvccpf conformed to the specifications when released to stock on the 24th march 2016.The root cause of the problem reported by the customer is due to the biological debris found on the spring, on the spring pillar, on the ruby ball, on the seat of the ruby ball, and on the base plate.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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