The device was returned and investigated.The returned device analysis did not confirm the reported difficult to flush issue.The discrepancy between what was reported (difficulty flushing) and what was observed was likely due to a combination of varying amounts of tension felt by the device during prep versus the returned product analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot.Additionally, a review of the complaint history identified no similar incidents reported from this lot.Based on investigation, a cause for the reported difficult to flush could not be determined.There is no indication of a product issue with respect to manufacture, design, or labeling.
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