The invention relates to a machine (1) for disinfecting/sterilizing medicals apparatus, comprising:- a casing (3) being conformed to define a tunnel (4) having a first opening (40) at a first end of the tunnel (4), and a second opening (41) through an upper wall (31) of said tunnel- a tank assembly comprising a tank (50) with a cavity configured to receive a medical apparatus, having an upper tank opening (51),- a guiding system (6) configured to guide the tank assembly (5) between a first end position (P1) wherein the tank (50) projects externally from the first opening (40), and a second end position wherein said tank is positioned inside said tunnel- a movable lid configured to expose said second opening (41) in a second opened position of the lid such that the tank (50) is accessible for inserting or extracting the at least one medical apparatus.
