This is a randomized, two-arm, prospective, single center study. Subjects will undergo a single flexible ureteroscopic renal surgery (FURS) procedure for a kidney stone as part of this study, using the study device, and will be treated as randomized to either stone breaking treatment or stone dusting treatment. Follow up visits are scheduled for the day of release from the hospital and at 1 month post procedure. Additional treatment sessions, if required, will be at the discretion of the investigator, as part of the site standard of practice. Additional treatment sessions will not be included in this study.