Retrograde Intra-Renal Surgery is a procedure that is performed to remove the stone from Intra-Renal Region of Kidney. This is not an open procedure but with the help of fiberoptic endoscope, this procedure is performed per urethrally or in a retrograde manner. The scope is passed perurethrally to reach the Intra-renal region and then with the help of the crusher or laser probe, the stone gets crushed and removed
with the help of grasper. ADVANTAGES are lesser time, quick removal, minimal pain, non-invasive procedure without any scar.