the invention relates to medicine and veterinary medicine, in particular to a medical instrument, and can be used in veterinary traumatology and orthopedics as an apparatus for external fixation and closed \u0440\u0435\u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u043e\u0442\u043b\u043e\u043c\u043a\u043e\u0432 pelvic bones of mammals in \u043e\u0441\u0442\u0435\u043e\u0441\u0438\u043d\u0442\u0435\u0437\u0435.apparatus for external fixation and closed \u0440\u0435\u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u043e\u0442\u043b\u043e\u043c\u043a\u043e\u0432 pelvic bones of mammals, including a carrier structure, made in the form of two \u0432\u0437\u0430\u0438\u043c\u043e\u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0430\u044e\u0449 ofavailable \u0434\u0443\u0433\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0445 tubes having three slots located at the level of the middle and end, which established the articulations - the clamps through which are threaded what nghi,with each curved tube with the possibility of displacement, it is indexed block, in which the center is the channel for curved pipe and through him, but not before crossing, implemented two channel located at a distance of 1.0 to 3.0 cm between them, with a through channel, located closer to the top of the most double dip tube passes \u043a\u0440\u044e\u0447\u043a\u043e\u0432\u0438\u0434\u043d\u044b\u0439 rodand through the other screw \u0448\u0430\u043d\u0446\u0430, bolts, locks, their situation. the hinges are installed with possibility of moving in the two \u0432\u0437\u0430\u0438\u043c\u043e\u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u044b\u0445 planes and rotation around its axis.the compression control \u043e\u0442\u043b\u043e\u043c\u043a\u043e\u0432 pelvic bones is carried out through the convergence or breeding \u0434\u0443\u0433\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0445 tubes controlled movement of the threaded rods in \u043e\u0442\u0432\u0435\u0440\
