The device was returned for analysis.The reported gauge break was 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 gauge break was unable to be confirmed during return analysis, it is possible that the hose connection port was not fully tightened thus resulting in the reported difficulties (indeflator needle and atmospheres did not rise); however this cannot be confirmed.The investigation was unable to determine a conclusive cause for the reported difficulties.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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