Medical device expiration date: unknown.Initial reporter phone#: (b)(6).Device manufacture date: unknown.Investigation: investigation summary: as no sample nor lot number were provided, confirmation of the defect stated in the reported issue could not be identified or confirmed.Investigation conclusion: units were not received for observation and testing.The defect of infection, stated in the description of the complaint could not be identified or confirmed and cause could not be determined, as the units described in the product incident report were not returned for evaluation and testing.Therefore, there was no physical evidence to confirm or to support manufacturing process related issues for the reported defect.Unable to confirm the customer¿s experience because units were not returned for evaluation and testing.Root cause description: without the actual sample for evaluation and testing there was no physical evidence to confirm or support manufacturing process related issues for the reported defect.
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