[A single center experience with a lithotripsy machine "Modulith SLX-F2" : evaluation of dual focus system and clinical results].

We evaluated the usefulness of a new shock-wave lithotripsy machine with a dual focus system (large focus : 9x50 mm, standard focus : 6x28 mm), "Modulith SLX-F2" on 361 patients. In the first period, 210 patients, were treated with the large focus, and in the second period, 151 patients were treated with the standard focus. Complications, efficacy and subsequent auxiliary procedures were compared between the first and second periods.