An improved dilator system for percutaneous nephrostomies.
D004106:Dilatation / Q000295:instrumentation*; D006801:Humans; D007668:Kidney / Q000601:surgery*; D011140:Polyurethanes; D014545:Urinary Calculi / Q000601:surgery; D014546:Urinary Catheterization / Q000295:instrumentation*; D014547:Urinary Diversion
D011140:Polyurethanes