(b)(4).Concomitant medical products: scaffold: absorb 3.5x18mm, dilatation catheter: 3.0x12 mm trek nc.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 identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The reported patient effects of dissection, as listed in the bioresorbable vascular scaffold (bvs) system, absorb, instructions for use (ifu), is a known adverse event associated with the use of a coronary scaffold in native coronary arteries.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.Based on the case information and related record review, a conclusive cause for the reported patient effects, and the relationship to the product, if any, cannot be determined and the treatment appears to be related to the circumstances of the procedure.
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It was reported that the procedure was to treat a long discrete lesion located in the proximal left anterior descending (lad) artery with moderate tortuosity, mild calcification and 95% stenosis.A 3.0x28mm absorb was implanted in the distal part of the lesion and a 3.5x18mm absorb was implanted in the proximal part of the lesion with 10 atmospheres (atm) pressure and held for about 30 seconds.Post-dilatation was performed using a 3.5x12 mm trek nc proximally and 3.0x12 mm trek nc distally with 18 atm pressure.After post-dilation, an edge dissection was noted at the distal edge of the 3.0x28mm absorb.A 3.0x12mm absorb was deployed to cover the dissection.There was a good final patient outcome.There was no adverse patient sequelae or clinically significant delay in procedure.No additional information was provided.
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