This animation will show how lithotripsy can be used to treat kidney stones. the navigation arrows below the animation screen to play, pause, rewind or fastforward the animation. This animation contains sound. Lithotripsy, or extracorporeal shockwave lithotripsy, is a procedure used to treat kidney stones. It takes place while you lie on a special lithotripsy couch. When the stones have been located, the lithotripter can be trained on them. Because it can be uncomfortable when the kidney stones break up, you will be given painkillers before the procedure is started.