Same case as mdr id: 2134265-2018-01403.It was reported that the ro marker band could not be visualized during deployment.The 80% target lesion was located in the mildly tortuous and mildly calcified circumflex artery.Following pre-dilatation, a 2.75 x 28mm synergy ii stent was advanced to treat the lesion.The stent was successfully deployed; however, during deployment, the stent could not be visualized.After that a 2.75 x 38mm synergy ii stent was advanced to treat the left anterior descending artery.The stent was successfully deployed; however, the same issue occurred during deployment.The physician double checked everything and the stent still could not be visualized.A third stent was then deployed without any problems with visualizing and the procedure completed.No patient complications were reported and the patient's status was fine.
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