Dialysis, also called hemodialysis, is the most common treatment for kidney failure. A dialysis machine is an artificial kidney designed to remove impurities from your blood. During dialysis, blood is drawn from the patient through the dialysis access already created and is connected to the dialysis machine so it can remove impurities and regulate fluid and chemical balances. The purified blood is then returned to the patient again through the dialysis access.
Creating the access portal is a minor surgical procedure. There are two types of portals placed completely under the skin: