The device was returned for analysis.The reported loose or intermittent connection and the reported leak were unable to be confirmed.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history did not indicate a lot specific quality issue.As the reported difficulties were unable to be confirmed during return analysis, it is possible that the devices were not properly aligned and/or not fully connected/tightened resulting in the reported loose or intermittent connection and subsequently resulting in the reported leak; however could not be confirmed.The investigation determined a conclusive cause for the reported difficulties cannot be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling.Na.
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