University of Washington researchers are using ultrasound propulsion to move kidney stones for easier passage from the kidney through the ureter to the bladder. They also have burst wave lithotripsy to break them into smaller pieces.
Doctors often advise kidney stone patients to let the stones pass naturally, a process that can mean weeks of intermittent, intense pain.
Even then, some stones are too large to pass. Health providers then turn to extracorporeal shock wave lithotripsy to break them up. It’s a painful procedure that requires sedation and can cause damage to the kidney.
It’s also pos…