1, hemodialysis device is the use of semi-permeable membrane principle, through the diffusion, convection and filtration and other roles, the patient's blood of all kinds of harmful and excess metabolic wastes and excess electrolyte material exchange or discharge, so that the patient's internal environment close to the normal, so as to achieve the purpose of purifying the blood medical equipment.
2, dialysis patients with high phosphorus, is caused by secondary hyperparathyroidism, calcium and phosphorus deposition changes, vitamin D metabolism disorders, renal bone disease, and coronary arteries, heart valve calcification and other serious cardiovascular complications are closely related.