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A visual inspection was performed on the returned device.The reported separation was 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 of the reported lot did not indicate a lot specific quality issue.The investigation was unable to determine a conclusive cause for the reported separation.However, possible factors that may contribute to a shaft/hub separation may include, but not limited to, manufacturing damage, damage during transport and/or storage, or damage while removing the bdc from the dispenser coil.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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