An intravascular bullet was retrieved percutaneously in a 17-year-old boy with the use of a modified 24-F Amplatz dilator. The dilator was modified by means of a longitudinal incision with removal of a wedge at the distal tip of the tapered portion of the dilator. The bullet, which was located in the left pulmonary artery, was removed via the right femoral vein. No complications occurred.

With the ureterorenoscope it is now possible to perform procedures under direct vision that previously had to be undertaken blindly or with the aid of fluoroscopy. The most common use of the ureterorenoscope is for removal of ureteral calculi, particularly those that are in the distal or middle one third of the ureter. The technique of ureteral dilatation and ureteroscopy of the lower ureter vi...