In this blood from the body is pumped through a machine. It has a dialyzer also called as an artificial kidney. It functions same as the kidney in removing waste from the body. The purified blood returns to the body via tubes. At any time only a small amount of blood stays out in the machine for filtration.
To perform hemodialysis, Arteriovenous fistula is created surgically in so that blood can be accessed from the body to the dialyzer. The access point is well discussed with the patient prior to the surgery.