A robot, particularly for mini-invasive surgery through a single parietal incision and/or natural orifice, comprising: - at least one container body (13, 113); - a plurality of operating instruments (11, 111) accommodated in said at least one container body; - at least one articulated support (7, 107), which comprises a plurality of rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) that are mutually associated; - stiffening means (17, 117), which are associated with said articulated support (7, 107) and are adapted for the transition of said articulated support (7, 107) from an inactive configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) can move with respect to each other, to an active configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) are mutually aligned so as to form a guide (19, 119), and vice versa; - at least one maneuvering means, which can be associated slidingly with said guide (19, 119) of said articulated support (7, 107) in said active configuration and can engage selectively said plurality of operating instruments (11, 111) accommodated in said at least one container body (13, 113) that can be associated with said articulated support (7, 107) in said active configuration, said articulated support comprising at least one guiding carriage, which can be associated with at least one of said maneuvering means, and translation means adapted to translate said at least one guiding carriage in said guide. - at least one container body (13, 113); - a plurality of operating instruments (11, 111) accommodated in said at least one container body; - at least one articulated support (7, 107), which comprises a plurality of rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) that are mutually associated; - stiffening means (17, 117), which are associated with said articulated support (7, 107) and are adapted for the transition of said articulated support (7, 107) from an inactive configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) can move with respect to each other, to an active configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) are mutually aligned so as to form a guide (19, 119), and vice versa; - at least one maneuvering means, which can be associated slidingly with said guide (19, 119) of said articulated support (7, 107) in said active configuration and can engage selectively said plurality of operating instruments (11, 111) accommodated in said at least one container body (13, 113) that can be associated with said articulated support (7, 107) in said active configuration, said articulated support comprising at least one guiding carriage, which can be associated with at least one of said maneuvering means, and translation means adapted to translate said at least one guiding carriage in said guide. - at least one articulated support (7, 107), which comprises a plurality of rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) that are mutually associated; - stiffening means (17, 117), which are associated with said articulated support (7, 107) and are adapted for the transition of said articulated support (7, 107) from an inactive configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) can move with respect to each other, to an active configuration, in which said rigid bodies (15, 151, 152, 154, 115, 251, 252, 254) are mutually aligned so as to form a guide (19, 119), and vice versa; - at least one maneuvering means, which can be associated slidingly with said guide (19, 119) of said articulated support (7, 107) in said active configuration and can engage selectively said plurality of operating instruments (11, 111) accommodated in said at least one container body (13, 113) that can be associated with said articulated support (7, 107) in said active configuration, said articulated support comprising at least one guiding carriage, which can be associated with at least one of said maneuvering means, and translation means adapted to translate said at least one guiding carriage in said guide.