Device for opening an aircraft door in emergencies, said door being provided with an opening mechanism, including a device (2, 5) for actuating the opening mechanism, having: a tubular maneuvering member (2), and a second locking end (4) which has a stop surface (43); resilient compression device (5); a member for holding the second locking end (4), the holding member including a rotary lock (9) and a lever (44) which is suitable for cooperating with the stop surface (43), the rotary lock (9) being rotatable about the displacement axis of the maneuvering member (2); device (31) for activating the actuation device (2, 5) which are suitable for driving the rotary lock (9).