minimally-invasive treatment usually requires general anesthesia
(asleep, no pain), but you may go home the same day.
doctor uses an endoscope (a tube introduced into the body,
via the urinary tract) in order to get close to the stone.
A small fiber is snaked up the endoscope so that the tip
(that emits the laser energy) can come in contact with the
stone, the intense light energy breaks the stone into increasingly
smaller pieces, which can be extracted or flushed out. Because
of type of laser energy no other tissue is affected.
is the picture of the stone in the ureter: