Inhalation assist device

The present invention addresses the problem of providing an inhalation assist device in which a patient can easily and arbitrarily adjust the timing at which a medicament is inhaled without relying on a valve structure. The solution of the present invention is an inhalation assist device (100) which is mounted to the outlet of a spray-type inhaler for a medicament, and which is provided with: a cylindrical main body part (10); an introduction port (20) which is provided on one end side of the main body (10) and which introduces into the main body (10) the medicament sprayed in a mist form from the outlet of the inhaler; a wall surface part 30 that is the other end side of the body part 10 and is provided at a position facing the introduction port 20; and a suction port (40) which is provided on the side surface of the main body (10) and which sucks in the medicament introduced into the main body (10). Wherein the suction inlet 40 extends in the tangential direction of the main body 10. 本发明的课题是提供一种吸入辅助器，即使不依靠阀