(b)(4).Evaluation summary: the device was returned for analysis.Although the pouch was returned with the seal opened, there was evidence on the pouch where it had been previously sealed.Based on a visual analysis of the returned product, there is no indication of a product deficiency.A review of the lot history record revealed no non-conformances that would have contributed to the reported event.The results of the query of similar incidents in the complaint handling database for this lot did not indicate a manufacturing issue.Based on the reviewed information, no product deficiency was identified.
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