title: Visual internal urethrotome for incision of dense perirenal scar tissue during percutaneous stone removal.
mesh_terms: D002921:Cicatrix / Q000601:surgery*; D006801:Humans; D007668:Kidney / Q000601:surgery; D007669:Kidney Calculi / Q000628:therapy*; D008096:Lithotripsy; D008297:Male; D008875:Middle Aged; D012086:Reoperation; D013525:Surgical Instruments