FlexStone Enabled Kidney Stone Retrieval

This study investigates if additional basket control in helpful during retrieval of kidney stones especially those that are difficult to reach for standard baskets.

The clinical practice at Vanderbilt University Medical Center will perform standard flexible ureteroscopy (fURS) procedures using conventional stone retrieval baskets, the EndoTheia FlexStone basket, laser fibers for intracorporeal lithotripsy , and any other fURS accessory devices as determined by the surgeon. If renal calculi are present which the physician deems retrieval of would benefit from the added aimability of the EndoTheia FlexStone basket will be used.