“…Therefore, the need to have a healthy ageing society requires major help from technology [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 ]. Considering technologies developed to assist the activities to care for bedridden people, there have been several developments in the bathing area, such as improving the the environment for giving the bath, smart bathrooms [ 5 , 6 , 7 , 8 ], bed technology [ 14 , 15 ], washing systems [ 16 , 17 , 18 , 19 ], including the use of body sensors and control systems [ 20 , 21 , 22 , 23 , 24 ].…”