The flexible ureteral access sheath is used for RIRS surgery, it is designed to establish tract from urethra to the renal pelvis for the devices advancement and with

It is a type of updated disposable guide wire used for negotiating tract in urology surgery, the material of the wire core is kink-resistant nitinol, the coating material is ultra hydrophilic medical

After the RIRS or PCNL procedure, a temporary stent is mostly reserved for several weeks to guide the ureter drainage and stone discharging, to prevent the new stone formation.