What is the fistula ?
People have the arteries and veins of blood vessels, Patient who under the treatment of dialysis, his blood flux of veins can not meet the need of dialysis flux, the blood need to be get out from arteries. So the veins should be connected with arteries because arteries have high flux blood. It is called fistula. Fistula means to let the veins to arterial. The position will be a shallow place of the skin, it should be the place which convenience to puncture and easy to stop bleeding. The good fistula will let the blood flux be enough for the dialysis.