What is the principle of the hemodialysis machine
Principle of hemodialysis machine:
Dialysis refers to the process in which the solution on both sides of the semi-permeable membrane flows through diffusion, osmosis and ultrafiltration, that is, the solute flows from the side with high concentration to the side with low concentration, and the water molecules flow from the side with low osmosis pressure to the side with high osmosis pressure, finally achieving dynamic equilibrium. Hemodialysis achieves therapeutic purposes through solution dispersion and ultrafiltration between blood and dialysate.
Fluid dialysis includes the movement of solutes and water, that is, blood and dialysate exchange substances through the semi-permeable membrane contact and concentration gradient in the dialyzer (artificial kidney), so that the metabolic wastes and excessive electrolytes in the blood move to the dialysate, and calcium ions and bases in the dialysate move to the blood. Thus removing metabolic wastes and poisons from the patient's blood; Adjust water and electrolyte balance; Adjust the acid-base balance.
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