A medical container (1) comprises: a container main body (2) a bag (4) that is fixed to the container main body (2) and that can achieve a first state in which the bag expands towards the front end side and a second state in which the bag expands towards the base end side a protective cover (6) that moves to a first position which is on the outer peripheral side of the container main body (2) along the axial direction thereof, and a second position which is closer to the base end side than the first position and at which the protective cover can cover the bag (4) in the second state and a fixing means (17) that fixes the protective cover (6) at the first position and the second position. The fixing means (17) has: a first protruding section (27a) and a second protruding section (27b) that are formed on the outer peripheral section (231) of the container main body (2) a first plate piece (67) formed in the inner peripheral section of the protective cover (6), and that engages from the front end side with the first protruding section (27a), at the first position, and engages from the front end side with the second protruding section (27b), at the second position and a second plate piece (68) that engages from the base end side with the first protruding section (27a), at the first position, and engages from the base end side with the second protruding section (27b), at the second position.La présente invention concerne un récipient médical (1) comprenant : un corps principal de récipient (2) un sac (4) qui est fixé au corps principal de récipient (2) et qui peut se trouver dans un premier état dans lequel le sac sétend vers le côté avant et dans un second état dans lequel le sac sétend vers le côté de lextrémité de base un couvercle de protection (6) qui se déplace dans une première position qui se trouve sur le côté périphérique externe du corps principal du récipient (2) le long de sa direction axiale, et dans une seconde position qui est plus proche du côté de lex