[The conditions for performing extracorporeal lithotripsy with different physicochemical compositions of the urinary stones].

Remote impulse lithotripsy (RIL) parameters were assessed when crushing uroliths with the use of URAT-II lithotriptor. The results were referred to the concrement size, location and physicochemical properties. A total of 365 examinations were made. Disintegration of large concrements, including coral calculi occurred in response to less number of impulses than it was necessary for destruction of concrements up to 1.5 cm in size. The hardest were vitlokite and cystine stones. The lowest traumaticity was observed in disintegration of the concrements composed of struvite and carbonatapatite.