(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: the device was returned for analysis.The reported physical property issue was confirmed with a hypotube separation.It should be noted the device was successfully prepped prior to insertion of the device which would indicate that the damage occurred after device preparation.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.The investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely the device was damaged during advancement to the lesion causing the reported physical property issue (hypotube separation).There is no indication of a product quality issue with respect to manufacture, design or labeling.
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