PROBLEM TO BE SOLVED: To provide a technique capable of controlling the production of dissolved hydrogen water according to hydrogen delivered to a patient's body in hemodialysis treatment using dissolved hydrogen water. SOLUTION: A dissolved hydrogen water generator 1 is an apparatus for generating dissolved hydrogen water in which hydrogen is dissolved in water. The dissolved hydrogen water generator 1 detects hydrogen gas contained in the blood of patient H undergoing dialysis using a hydrogen water generator 3 that generates dissolved hydrogen water and a dialysate prepared with the dissolved hydrogen water. A detection unit 12 for this purpose and a control unit 13 for controlling the hydrogen water generation unit 3 based on the detection result of the detection unit 12 are provided. [Selection diagram] Fig. 1【課題】溶存水素水を用いた血液透析治療において、患者の体内に届けられた水素に応じて溶存水素水の生成を制御できる技術を提供する。【解決手段】溶存水素水生成装置１は、水に水素が溶け込んだ溶存水素水を生成するための装置である。溶存水素水生成装置１は、溶存水素水を生成する水素水生成部３と、溶存水素水で調製された透析液を用いて透析を受けている患者Ｈの血液に含まれる水素ガスを検出するための検出部１２と、検出部１２の検出結果に基づいて、水素水生成部３を制御するための制御部１３とを備える。【選択図】図１
