It was reported to boston scientific corporation that a polaris ultra ureteral stent was used to treat kidney stones during a ureteroscopy procedure in the urinary tract, uterus and urethra.The procedure date was nor reported.During the procedure, there was a device malfunction.It was noted that the stent was found broken.The procedure was successfully completed with another polaris ultra ureteral stent.There were no patient complications reported as a result of this event.A photo of the complaint device was provided and showed that the stent shaft broken and buckled.
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