Reportable based on device analysis completed on 28-nov-2019.It was reported that balloon leak occurred.The target lesion was located in the severely tortuous and mildly calcified vein.A 3.0-4/4t/90 symmetry balloon catheter was advanced for dilation.However, the pressure did not increase during first inflation.Physician removed and checked the balloon, it was confirmed that a liquid leakage was seen in the tip side.The procedure was completed with another device.There were no patient complications reported.However, returned device analysis revealed balloon pinhole.
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