PREPARATION APPARATUS AND PREPARATION METHOD FOR DIALYSIS FLUID OF VARIABLE BICARBONATE ION CONCENTRATION TYPE, DIALYSATE OF VARIABLE BICARBONATE ION CONCENTRATION TYPE, AND DIALYSIS SYSTEM OF VARIABLE BICARBONATE ION CONCENTRATION TYPE

摘要

An object of the present invention is to provide a technology for preparing a dialysis fluid that is capable of flexibly changing the bicarbonate ion concentration and maintaining the concentrations of electrolytes such as potassium, calcium, and magnesium at constant levels even during dialysis according to the disease state of a patient. In connection with a three-component dialysate containing an agent S containing sodium chloride, an agent B containing sodium bicarbonate, and an agent A containing electrolyte components other than sodium chloride and sodium bicarbonate, suitably adjusting the amount of the agent B during dialysis fluid preparation makes it possible to maintain the concentrations of trace metal ions such as potassium ions, calcium ions, and magnesium ions in a dialysis fluid at constant levels and flexibly change the bicarbonate ion concentration therein. Moreover, in the three-component dialysate, adjusting the ratio between the amount of the agent S and the amount of the agent B when the dialysate is used also makes it possible to maintain the sodium ion concentration at a constant level or flexibly change the sodium ion concentration.