A visual and functional inspection was performed on the returned device.The reported material separation (hub) 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 identified no similar incidents from this lot.A conclusive cause for the reported material separation (hub) could not be determined.There is no indication of a product quality issue with respect to manufacture, design, or labeling.B5: description of event - size of reported device.D4: catalog number, expiration date, udi #.
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