It was reported that patient injury occurred.The target lesion was located in the kidney.An 8.3/26 expel¿ ureteral stent system was selected for use.During placement of the stent, the string in the proximal tip of the stent would not allow for the pigtail to coil correctly, it was then observed that a kidney perforation had occurred.The physician then attempted to use the sheath to help the coiling of the pigtail; however, it was unsuccessful.The stent was then removed and a drain was positioned to enable recovery of the perforated kidney.The procedure was then rescheduled and was completed with a different device.No further patient complications reported.
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