(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Date of implant has been estimated.The stent remains in the patient.Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.
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It was reported that the patient presented emergently with a st segment elevation myocardial infarction (stemi).An absorb scaffold had been implanted 3-4 years prior; angiography revealed plaque rupture, some thrombus, and timi 2 flow in the proximal ramus artery.The lesion was direct stented with a xience xpedition device for treatment.There was no reported adverse patient sequela.No additional information was provided.
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Internal file number - (b)(4).Unique device identifier (udi): in the absence of reported part number, udi cannot be calculated.The stent remains in the vessel; however, there was no reported device malfunction and the product was not returned.A review of the lot history record and complaint history of the reported lot could not be conducted because the part and lot numbers were not provided.The reported patient effects of ischemia, myocardial infarction and thrombosis, are listed in the absorb gt1 instructions for use as known adverse events associated with the use of a coronary scaffold in native coronary arteries.Based on the case information, a conclusive cause for the reported patient effects, and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to design, manufacture or labeling of the device.
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