It was reported that the chpv pressure couldn¿t be adjusted (changed) on (b)(6) 2016 with vp shunt.The same issue with the previous valve was noted with the patient in the past, and the patient had a revision surgery with chpv at this reported hospital in 2014.During the patient¿s checkup at an outpatient division, the patient was diagnosed as inph, and this issue was detected when the doctor tried to adjust the pressure.The revision with certas was done to the patient on (b)(6) 2016 and it was reported that the impact to the patient¿s condition is minor.These all product information and setting information were provided by hospital.
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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: a needle hole in over the needle guard was noted.The position of the cam when valve was received was 110mmh2o.The valve was hydrated for 24 hours.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 no occlusion was noted.The valve was leak tested, only leaked from the needle hole over the needle guard.The valve was reflux tested, the valve passed the test.The valve was dried.The valve was then pressure tested, the valve passed the test.Review of the history device records confirmed the valve product code 82-3111 with lot cplcbz, conformed to the specifications when released to stock in 17th october 2013.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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