It was reported to boston scientific corporation that a navigator¿ hd access sheath was used during a ureteroscopy with holmium laser lithotripsy procedure performed on (b)(6) 2016.According to the complainant, during the procedure, a retrieval basket was used to capture a kidney stone.The physician was not able to pull the retrieval basket with stone all the way out to the proximal end of the navigator hd access sheath.Reportedly, the physician thinks that the access sheath narrowed down towards the exit point at the proximal end.The procedure was completed with the device.There were no patient complications reported as a result of this event.The patient condition at the conclusion of the procedure was reported to be fine.
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