Ultrasound to Facilitate Stone Passage

Inclusion Criteria: * Individuals presenting with at least one kidney stone * Stone with maximum dimension \> 2 mm and ≤ 7 mm as determined by clinical imaging * Individuals with SCI - (Phase 2b only) Exclusion Criteria: * Individuals under 18 years of age * Individuals who are pregnant or who are trying to get pregnant * Prisoners * with cognitive impairment that would limit their ability to comprehend their role in consent or participation. * Individuals who are unable to read or understand English * Individuals who are unable or unwilling to participate in follow up activities * Individuals who cannot be positioned for ultrasound imaging * Individuals with uncorrected bleeding disorders or coagulopathies * Individuals receiving anticoagulants and who are unable or not willing to temporarily cease the medication for the investigational procedure * Individuals with a calcified abdominal aortic aneurysm or calcified renal artery aneurysm ipsilateral to the renal stone targeted by the investigational procedure * Individuals with a solitary kidney * Individuals with an uncorrected urinary tract obstruction * Individuals with an untreated infection * Individuals with a comorbidity risk which, at the discretion of the physician, would make the patient a poor candidate for the investigational procedure * Individuals who have received two previous investigational procedures for the same stone target * Individuals who have undergone the investigational procedure within the last 21 days or still have unresolved AEs from a previous investigational procedure.