Clinical Research Directory

Inclusion Criteria: * Individuals suspected of having at least one kidney stone. This includes: * Patients who are being managed with watchful waiting or medical therapy * Patients who recently (but \> 4 weeks) underwent lithotripsy treatment of their stones * Patients scheduled for lithotripsy treatment Or * Individuals suspected of having an obstructed stone. This includes: * Patients presenting with renal colic * Patients presenting with hydronephrosis or dilation of the ureter Primary Exclusion Criteria for all groups: * Individuals under 18 years of age * Individuals with non-echogenic stones * Individuals unable or unwilling to comply with the follow-up requirements * Individuals with a coagulation abnormality or taking blood thinners or other anticoagulant at clinically significant levels * Individuals with mobility issues who are unable to comfortably lie for up to 30 minutes or roll from their back to their side * Individuals belonging to a vulnerable group (pregnant, mentally disabled, physically disabled, prisoner, etc.) * Individuals who have already received four previous ultrasonic propulsion procedures. * Individuals who have received an ultrasonic propulsion treatment within the last 4 weeks. Additional Exclusion Criteria for Obstructing Stone population * Individuals with a suspicion of kidney infection or exhibiting signs of sepsis * Individuals whom the treating physician considers to be at high risk for serious alternate diagnoses such as acute infectious etiologies (e.g. cholecystitis, appendicitis), aortic aneurysm and rupture, or bowel disorders. * Individuals who have undergone renal transplant, or individuals who will undergo dialysis. * Individuals with bilateral hydronephrosis * Individuals with a single kidney * Individuals who have already received an ultrasonic propulsion investigative treatment for the same obstructing stone