PROBLEM TO BE SOLVED: To replenish a suitable quantity of electrolyte while reducing a blood sampling burden on a dialysis patient.SOLUTION: A dialysis system 1 includes an input part 51 capable of inputting a target electrolyte concentration, which is a blood electrolyte concentration determined according to a condition of a dialysis patient as a target value, a dialysis solution electrolyte concentration which is a concentration of electrolyte contained in a dialysis solution flowing into a dialyzer, and a blood flow rate, which is a flow rate of blood flowing in the dialyzer per unit time, a replenishment quantity prediction part 60 for predicting the quantity of an electrolyte solution to be replenished to the blood flowing in a blood circuit based on the target electrolyte concentration, the dialysis solution electrolyte concentration, and the blood flow rate, and a pump control part 70 for controlling a pump 43 for sending the electrolyte solution to the blood circuit so that the electrolyte solution in the electrolyte solution quantity to be replenished can be replenished.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】 本発明は、透析患者の採血負担を低減させながらも適量の電解質を補充することを目的とする。【解決手段】 本発明の透析システム1は、目標値として透析患者の状態に応じて定められる血中の電解質濃度である目標電解質濃度と、透析器に流入される透析液に含まれる電解質の濃度である透析液電解質濃度と、透析器内を単位時間あたりに流れる血液の液量である血液流量とを入力可能な入力部51と、目標電解質濃度、透析液電解質濃度及び血液流量に基づいて、血液回路を流れる血液に補充すべき電解質溶液量を予測する補充量予測部60と、補充すべき電解質溶液量の電解質溶液が補充されるように、電解質溶液を血液回路に送り込むポンプ43を制御するポンプ制御部70とを含む。【選択図】 図3
