Abstract: A stabilizer for the treatment of the fractures of the neck and the upper metaphysis of the femur. The stabilizer plate 1 has a groove 2 in its bottom part and bent between tapered holes 3 passing into oval holes at their lower parts and tapered holes 4 passing into round holes at their lower part at an angle such that, after bone bolts 8 are secured in the porous bone fragments, the angle between them and plate 1 is approximately the same as that formed between the neck and shaft of the bone. The bolts 8 have a high pitch cortex thread 9 at the end of a cylindrical core, the latter having an enlarged part 12 on the opposite side and of the same width as that of groove 2 and terminating in a protruding shank 13 with a machine thread, while bolts 5 each have an enlarged disc-like part 7 disposed between the cortex and machine threads and having a width equal to that of groove 2, and conical-shaped nuts 14 are screwed on to protruding shanks 6 and 13.

Abstract: This invention relates to a plate for connecting bone splinters with bone shafts. The plate has a "T"-shape with a short transverse arm (1) and a longitudinal leg (2) situated perpendicularly to each other. In the transverse arm (1) and longitudinal leg (2) there are sets of pressure holes (3) each having on one side of the plate a conical shape and on the other side an oval shape with a major axis extending in the identical direction as that of the axis (0) of the longitudinal leg (2). Along the same axis, in which each oval tapered pressure hole (3) is situated, in said other side of the transverse arm (1), there are elongated grooves (4). In said other side of the longitudinal leg (2) of the plate, along its longitudinal axis (0), there also runs a groove (6).

Abstract: The subject of this present invention is a drill setting guide used for drilling holes in bones. The subject of this present invention is disclosed in an embodiment shown in FIG. 7 which shows a guide whose body consists of two round-sectioned parts as shown in a front half section.Body 1 has tapped holes into which drill guide bushes 2 with lock nuts 6 placed above body 1 have been screwed. Further on, drill guide bushes 2 are provided with blades 5.Body 1 consists of two parts slideably interconnected to each other by means of guides 10 and coaxially applied knurled nut 11 with a scale engraved thereon. At the ends of body 1 there is lock 12 for securing component 13 that extends body 1.