Kidney Stones Surgery - PreOp® Patient Education & Patient Engagement

Kidney Stones Surgery - PreOp® Patient Education & Patient Engagement The normal body has two kidneys, in the middle of the back, under the lowest ribs. Kidneys filter and clean blood to make urine. Ureters drain urine from the kidneys to the bladder. The bladder empties urine from the body through another tube called the urethra. The urinary tract includes all of these structures the kidneys, ureters, bladder and urethra. Kidney stones start as tiny