Reportable based on device analysis completed on 27oct2020.It was reported that the flexible cannula became stuck and broke inside the catheter.An 8.3/26 expel nephroureteral stent system with twist-loc hub was selected for use.During the procedure, it was noted that the plastic stylet would get stuck in the drainage catheter with the wire in place.Then, it was noted that the soft plastic stiffener broke off in the drainage catheter.The physician had to remove everything from the patient and start over.The procedure was completed with a non-boston scientific product.No patient complications were reported.However, device analysis revealed that the shaft middle section was detached/separated.
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