(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 difficulties and treatment appear to be related to circumstances of the procedure.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 other incidents from this lot.Based on the information reviewed, there is no indication of a product quality issue with respect to design, manufacture, or labeling.
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