A splice plate for stringers designed to connect two adjacent stringers at least three independent pieces, a connection rod being designed to be fixed by two opposite extremities to two adjacent stringers, and at least two connecting plates, each connecting plate being designed to be fixedly joined to a first extremity of one of the two stringers, and by a second extremity of a cross bar disposed between the two stringers. The disclosed embodiment also relate to a device for orbital fixation including at least one stringer splice plate splice bar.