(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.It is indicated that the device is not returning for evaluation; therefore a failure analysis of the complaint device could not be completed.Based on the reported information, there is no indication of a product quality issue with respect to manufacture, design, or labeling.The investigation determined that the reported failure to advance and stent movement appear to be related to case circumstances.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 from this lot.Based on the reviewed information, there is no indication the issue was caused by, or related to the design, manufacture or labeling of the device.
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