To provide a bathing aid that can be attached to an existing bathtub.SOLUTION: The bathing aid 10 is a bathing assistant tool 10 that can be mounted in a bathtub 4, and is provided with a seat section 12 having a seat surface 12a for the cared person 6 to sit on, and a bathtub An elevating part 14 for vertically moving the seat part 12 upward and downward by expanding or contracting the seat part 12 in the vertical direction by inserting and withdrawing a fluid into and from the inside of the bathtub 4 , A leg portion 18 for guiding the ascending and descending of the seat portion 12, and a pump portion 16 for introducing a fluid into the inside of the ascending / descending portion 14.(FIG.【課題】既設の浴槽に装着可能な入浴補助具を提供することである。【解決手段】入浴補助具10は、浴槽4内に装着可能な入浴補助具10であって、被介護者6が座るための座面12aを有する座部12と、座部12の下部に設けられ、内部に流体を出し入れすることで上下方向に膨張又は縮小して座部12を昇降させる昇降部14と、座部12を昇降可能に支持し、浴槽4内の上面部と底面部との間における座部12の昇降を案内する脚部18と、昇降部14の内部に流体を流入させるポンプ部16と、を備える。【選択図】図1
