John R. Farrell

1922

• Extracorporeal shock wave lithotripsy (ESWL) procedures for the treatment of kidney stones
• Percutaneous ultrasound procedures for the treatment of kidney stones
• Portable hand held x-ray instrument, lixiscope
• Portable hand held x-ray instrument, lixiscope
• Transurethral ureteroscopic lithotripsy procedures for the treatment of kidney stones