It was reported that balloon pinhole occurred.The 100% stenosed target lesion was located in the mildly tortuous and severely calcified right superficial femoral artery.A 5.0mmx30mmx135cm sterling balloon catheter was advanced for dilation.During the procedure, upon first inflation at 6 atmospheres for 10 seconds, the balloon could not stabilize the pressure, the fluid in the pressure pump was lost and blood appeared, and the balloon was not fully opened under digital subtraction angiography (dsa).The physician found that the balloon had a pinhole.The procedure was completed with another of the same device.No patient complications were reported.
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