(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Udi# - in the absence of a reported part and lot number, the udi cannot be calculated.Implant date - estimate.The absorb device is currently not commercially available in the u.S; however, it is similar to a device sold in the us.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.The reported patient effects of aneurysm, angina, myocardial infarction and thrombosis, as listed in the bioresorbable vascular scaffold (bvs) system, absorb, instructions for use are 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.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure in (b)(6) 2015 was to treat a non-calcified lesion in the left anterior descending (lad) artery.The patient was experiencing stable angina.Intravascular ultrasound (ivus) was used for vessel sizing.After pre-dilatation, an unknown absorb scaffold (possibly 3.0 x 18mm) was implanted and post-dilated with a 3.5 mm balloon.The patient was re-hospitalized on (b)(6) 2016 at a different hospital with ischemic pain and determined to have an anterior st elevated myocardial infarction.The scaffold was partially in an aneurism and partly floating in the vessel.Scaffold thrombosis was identified which was aspirated, followed by implantation of a long drug eluting stent.The final patient outcome was good and follow-up is planned in 6-7 months.No additional information was provided.
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