PROBLEM TO BE SOLVED: To provide an oxygen concentrator, even when trimming the weight of an adsorption column, capable of reducing noise.SOLUTION: An oxygen concentrator 1 being movable for causing a user including a patient to inhale oxygen, includes: a device body 2 having a housing 5 an adsorption column 100 disposed inside the housing 5 of the device body 2 and stores zeolite that separates oxygen from air taken in from the outside of the device body 2 and an adsorption-column fixing part 300 for fixing 5 the adsorption column 100 to the housing using buffer materials 310 and 400, in such a state as to form a space between the adsorption column 100 and the housing 5 and make the adsorption column float therefrom.SELECTED DRAWING: Figure 10COPYRIGHT: (C)2016,JPO&INPIT【課題】吸着筒の軽量化を行っても、騒音の低減が図れる酸素濃縮装置を提供する。【解決手段】酸素濃縮装置1は、患者を含む使用者が酸素吸入を行うための移動可能な酸素濃縮装置であって、筐体5を有する装置本体2と、装置本体2の筐体5内に配置されて、装置本体2の外から取り込んだ空気から酸素を分離するゼオライトを収容している吸着筒100と、吸着筒100と筐体5の間は空間を開けて浮かした状態で、吸着筒100を筐体5に対して緩衝材310,400を用いて固定する吸着筒固定部300と、を備える。【選択図】図10
