the peel-away introducer sheath set , originally designed for the antegrade insertion of the silicone rubber universal stent , also is useful for antegrade or retrograde basketing of ureteral stones , negotiation of a dilated renal pelvis and tortuous ureter with minimal trauma , retrograde flushing of ureteral stones for percutaneous extraction , removal of dislodged stents from the renal pelvis and ureteral examination with a flexible endoscope or rigid ureteropyeloscope .
C0041952
ureteral
C0041951
ureteral