PROBLEM TO BE SOLVED: To provide a dissolution device capable of determining accurately with a simple configuration whether or not undissolved powder medicine for dialysis is contained in stock solution for dialysis which is stirred and generated in a dissolving tank.SOLUTION: A dissolution device 1 for dissolving powder medicine for dialysis to obtain stock solution for dialysis comprises: a dissolving tank 2 capable of storing the powder medicine for dialysis a water supply line L1 for supplying water for dissolving the powder medicine for dialysis to the dissolving tank 2 stirring means 4 capable of stirring solution in the dissolving tank 2 liquid level detection means 6 capable of detecting a liquid level of the water or the solution supplied into the dissolving tank 2 continuously in real time and determination means 7 capable of determining whether or not undissolved powder medicine for dialysis is contained in the solution generated in the dissolving tank 2 on the basis of the liquid level detected by the liquid level detection means 6.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】溶解槽内にて攪拌生成された透析用原液における透析用粉末薬剤の溶け残りの有無を簡易な構成で精度よく判断することができる溶解装置を提供する。【解決手段】透析用粉末薬剤を溶解して透析用原液を得るための溶解装置1において、透析用粉末薬剤を収容し得る溶解槽2と、溶解槽2に透析用粉末薬剤を溶解するための水を供給するための給水ラインL1と、溶解槽2内の溶液を攪拌し得る攪拌手段4と、溶解槽2内に供給された水又は溶液の液位を連続的且つリアルタイムに検出可能な液位検出手段6と、液位検出手段6により検出された液位に基づいて、溶解槽2内で生成された溶液における透析用粉末薬剤の溶け残りの有無を判断し得る判断手段7とを備えたものである。【選択図】図2
