The device was returned for evaluation.The position of the cam when the valve was received was at 60mmh20.The valve was visually inspected; a cut/tear in the silicone housing in the needle chamber was noted.The investigation of the returned device did not confirm the programming problem but did notice a cut/tear in the silicone housing in the needle chamber.The valve was tested for programming and passed.The valve could not be flushed due to the damaged silicone housing.The valve was leak tested, leaked from the cut/tear in the silicone housing.The valve was reflux tested and passed.The siphon guard was removed, tested and passed.It was not possible to pressure test due to the damaged silicone housing.A review of manufacturing records found no discrepancies when the device was released to stock.The most recent complaint and smt presentation was reviewed and did not show that this product family exceeded its upper control limit for complaints.Based on the results of the investigation, the reported issue was confirmed.The root cause for the damage silicone house is probably due to a sharp or pointed object coming into contact with the silicone.As noted in the ifu silicone has a low cut/tear resistance.Trends will be monitored for this and similar issues.At present, we consider this complaint to be closed.
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