(b)(4).Internal file number - (b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.There was no reported device malfunction and the product was not returned as the scaffold remains in the anatomy.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.A conclusive cause for the reported patient effects and the relationship to the product, if any, cannot be determined.The reported patient effects of angina, myocardial infarction, thrombosis and ventricular fibrillation as listed in the bioresorbable vascular scaffold (bvs) system, absorb, instructions for use are known adverse event associated with the use of a coronary scaffold in native coronary arteries.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.The absorb device is currently not commercially available in the u.S; however, it is similar to a device sold in the us.
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