Reportable based on device investigations completed on (b)(6) 2022.It was reported that crossing difficulties were encountered.The 32mmx2.5 mm, 90% stenosed target lesion was located in moderately tortuous and moderately calcified left circumflex artery.A 15/3.50 flextome cutting balloon was selected for use.During the procedure, it was noted that the balloon could not cross the lesion.The device was directly removed and the procedure was completed with another of the same device.There were no complications reported and the patient is stable.However, device investigation revealed that perforation of the outer lumen at 13cm proximal to the proximal balloon cone.
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