Hemodialysis is used to clear the waste products from the body when kidney fails. Normally waste products are removed from the body by kidneys. In case of kidney failure these waste products accumulate in the body and cause many metabolic disturbances. In this situation dialysis is used where blood is purified of these waste products.Dialysis is not a permanent cure for kidney diseases. This may have to be done 2 - 3times a week. In Utra Sound sound waves are send into the body. These waves are reflected back to create an image of internal organs, non invasively. Unlike X-Ray it is totally harmless.