(b)(4).Correction to the alert date.It was reported in mfr # 1226348-2017-10775 as being sep 27, 2017; however, the corrected date is sep 28, 2017.Correction also to the 510(k) # and udi #.Upon completion of the investigation a followup report will be filed.
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(b)(4).The device was returned for evaluation.The position of the cam when valve was received was 150 mmh2o.The valve was visually inspected; biological debris was noted inside the valve.The valve was tested for programming and passed without issue.The valve was flushed, no occlusion was noted.A leak test was performed and passed.A reflux was performed and failed.The valve was then dried and 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, on the cam mechanism on the cam mechanism and on the base plate.Review of the history device records confirmed the valve product code 82-3112, with lot clhbj2 conformed to specifications when released to stock.Based on the evaluation of the device, the reported issue was confirmed.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, on the cam mechanism, on the cam mechanism, and on the base plate.Trends will be monitored for this or similar complaints.At present, we consider this complaint to be closed.
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