The certas valve was returned for evaluation.Device history record (dhr)- review of the history device records for the valve, product code 82-8805 with lot 3882216, showed 2 reports when released to stock.The report issues had no link to this complaint.Failure analysis- the position of the cam when valve was received was at setting 4.The valve was visually inspected; the needle guard was raised.The valve was hydrated.The valve was leak tested and no leaks noted.The valve passed the test for programming, occlusion, reflux, siphon guard and pressure.The needle chamber was dismantled; the needle guard was slightly bent, and glue traces were noted on the needle guard and the silicone base.The root cause for the issue reported by the customer is due to wrong handling as noted in the ifu: do not fold or bend the valve, folding or bending might cause rupture of the silicone housing, needle guard disc dislodgement or occlusion of the fluid pathway.
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