Fig. 3

Simulation diagrams of flexible ureteroscope (fURS) combined with the flexible vacuum-assisted ureteral access sheath (FV-UAS) for the treatment of large renal stones (LRS).

Simulation diagrams of flexible ureteroscope (fURS) combined with the flexible vacuum-assisted ureteral access sheath (FV-UAS) for the treatment of large renal stones (LRS).