PROBLEM TO BE SOLVED: To provide a cardiopulmonary resuscitation assisting device capable of properly assisting CPR by a small number of components.SOLUTION: A cardiopulmonary resuscitation assisting device 1 is provided between a rescuee and a rescuer during execution of cardiopulmonary resuscitation (CPR) for the rescuee to assist the cardiopulmonary resuscitation. A first cabinet member 10 constituting a device cabinet is a member having spring characteristics. A second cabinet member 20, which is a device cabinet member connected to the first cabinet member 10, is made of a non-repulsive member.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】少ない部品点数で適切にCPRをアシストできる心肺蘇生アシスト装置を実現すること。【解決手段】心肺蘇生アシスト装置1は、被救助者に対する心肺蘇生法(CPR)の実行時に被救助者と救助者の間に配置されて心肺蘇生をアシストする。装置筐体を構成する第1筐体部材10は、ばね的性質を有する部材である。第2筐体部材20は、第1筐体部材10と接続された装置筐体部材であって、非反発部材により構成される。【選択図】図2