(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device was not returned for analysis.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.The reported device expiration issue was confirmed.It should be noted that the xience sierra everolimus eluting coronary stent system instructions for use (ifu) states: note the use by (expiration) date on the product label.The investigation determined the reported difficulties appear to be related to user error as the device was used past the expiration date.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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