(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).It is indicated that the device is not returning for evaluation; therefore, a failure analysis of the complaint device could not be completed.The investigation determined the reported failure to deploy, physical resistance and shaft kink appears to be related to circumstances of the procedure.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 did not indicate a lot specific quality issue.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.
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