PROBLEM TO BE SOLVED: To provide a medicinal agent dissolving apparatus and a preparation method for medicinal solution using the same in which: complicated structure is not required little undissolved residue of medicinal agent is generated in a simple operation and desired medicinal solution may be efficiently prepared at a large scale at once.SOLUTION: The medicinal agent dissolving apparatus of the present invention comprises: a preparation tank for storing water and medicinal agent (for example, dialysis agent) a driving motor a shaft which is inserted vertically to bottom part of the preparation tank at a depth near the bottom part, and which may be rotated by the driving motor and at least two stages of mixing impellers, which are arranged in tandem along with axis direction of the shaft and comprise impeller surfaces inclined in the same direction along with rotating direction of the shaft.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】 複雑な構造を必要とせず、かつ簡易な操作によって医薬用剤の溶け残りがなく、所望の医薬用溶液を一度に大量かつ効率的に調製することのできる、医薬用剤溶解装置およびそれを用いた医薬用溶液の調製方法を提供すること。【解決手段】 本発明の医薬用剤溶解装置は、水および医薬用剤(例えば、透析用剤)を収容する調製タンクと;駆動モータと;該調製タンクの底部の近傍まで該底部に対して垂直に挿入されており、かつ該駆動モータの駆動により回転可能なシャフトと;該シャフトの軸方向に沿ってタンデムに設けられており、かつ該シャフトの該軸方向に対し、該シャフトの回転方向に沿って同一の方向に傾斜した翼面を有する、少なくとも2段の撹拌翼と;を備える。【選択図】 図1
