(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).Date of event, implant date: estimated dates.Unique device identifier (udi#): in the absence of a reported part number, the udi cannot be calculated.The device was not returned for evaluation.A review of the lot history record and complaint history could not be conducted because the part and lot numbers were not provided.It should be noted that the bioresorbable vascular scaffold system, absorb, instructions for use (ifu), instructs the physician to: note the product use by (expiration) date on the package.The investigation determined the reported use after expiration appears to be related to the deviation from the ifu.There is no indication of a product quality issue with respect to manufacture, design or labeling.The absorb device is currently not commercially available in the u.S; however, it is similar to a device sold in the u.S.
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