Updated fields: d1,d2,d3,d4, d9, g3, g6, h2, h3, h6, h10 the hakim valve was returned for evaluation.Device history record (dhr) - 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, the device with serial number (b)(6), product code 82-3100, was released to stock failure analysis - the valve was visually inspected; no defects were noted.The position of the cam when valve was received was 40mmh2o.The valve was hydrated.The catheter was irrigated no occlusion was noted.The valve was leak tested and no leaks noted.The valve passed the test for programming, occlusion, reflux and pressure.No root cause could be determined as the technician could not confirm any problem with the valve at the time of investigation.The possible root cause for the issue reported by the customer, could be due to biological debris and protein build up interfering with the valve mechanism, at the time of investigation no programing issue was noted.
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