The device was returned for analysis.The reported physical resistance/difficult to rotate 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 identified no other incidents from this lot.As the reported physical resistance/difficult to rotate and the reported leak were unable to be confirmed during return analysis, 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.
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