A prospective randomized trial comparing 2 lithotriptors for stone disintegration and induced renal trauma.

Purpose: We compare the efficacy and resulting kidney trauma of the HM3 (Dornier Medical Systems, Inc., Marietta, Georgia) and Lithostar Plus (Siemens, Issaquah, Washington) lithotriptors in a prospective randomized trial treating calix and renal pelvis stones.

Materials And Methods: Patients with a solitary renal pelvic stone 2 cm.