Interlocking intramedullary nail combined without dead space. The utility model designed to improve the management of the surgical treatment of fractures, obtained in various sizes.Comprised by three parts, the first (01) has elongated tubular structure with a mounting hole inside, and the top of the same structure.Presents internal thread for screwing the second part of the rod and two recesses (03), below, shows hole (04), and at its base.Presents fins beveled malleable (05) growing from beginning to the end in the base of the piece the second part of the stem (02)Presents a solid cylindrical structure to fit within the first part of the stem (01), and on the lower part may have holes (6) in different directions, and,In the upper part of the second part has a thread (7), which is going to screw in the internal thread of the first part of this shaft, and above the screw, has a mounting hole (08)But, above the hole, has increased thickness (09) the size of the diameter of the stem, going to the top end of the rod at the top, in the second part of the rod.Presents a curvature with sufficient angulation and compatible with the entry of the rod inside the bone, presenting it at the top of the second part of the rod, a socket for a wrench it also presents.Internal thread for screwing to the third part of the stem and two recesses (10) finishing the piece, the third part, presents three perforations (11) passers-by in the body of the piece.The lower hole, oval shaped and aligned, enough with the recesses (12) existing at the top of the piece, the two perforations (11), just above the last drilling said,They even enough with recesses (12) existing at the top also presents.In the upper part an internal thread for screwing the plug stem and two recesses (12) which together with the internal thread are fit for a surgical tool, that is,The third part is the hole (13) is bored to guide during the procedure, and this hole must coincide with the indentations (10) of the second p