Ethnicity - requested but not provided.Udi - unknown due to the lot number being unknown.Lot number: unavailable.Expiration date - unknown due to the lot number being unknown.Explanted date: device was not implanted.Device manufacture date - unknown due to unknown lot number.The actual device was not returned for evaluation and the product code and lot are unknown.No evaluation could be conducted due to the device not being returned.There is no evidence that this event was related to a device defect or malfunction.With no device return the exact cause of the reported event cannot be definitively determined based on the available information.The production lot number was not provided by the user facility, which prevented a meaningful review of the device history record and complaint files.Prior to shipment, qc conducts outgoing visual inspection and all samples for the complaint lot passed.The user facility reported similar events from the same product code/lot number combination.See mdrs 3003902955-2017-00043, 3003902955-2017-00044, 3003902955-2017-00045, and 3003902955-2017-00046.(b)(4).
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