A male luer (10) is surrounded by a hood (20). Levers (30) are coupled to the base end (13) of the male luer via a base (15). The levers have a locking part (31) and an actuating part (35). Locking claws (32) protrude from the locking parts towards the male luer. The locking parts are disposed at cut-out portions (23) formed in the hood. The levers can elastically pivot as the outside surfaces of the actuating parts are pressed, such that the locking claws move away from the male luer. The connecter main body (3), when viewed along a center axis (3a), has a long axis (15a) in the direction in which the male luer and the levers face each other.
