1. A device for penetrating elongation installed in hard tissue, in particular, in the jawbone, a blind hole, containing made with the possibility of insertion into the hole in the bone tissue of the tubular body (1), characterized in that the tubular body (1) is made with the possibility of tight installation means for tight insertion into the bone tissue hole are provided in the bone tissue opening or, on the tube body (1), the tube body (1) having a peripheral working hole (2) and an entrance (3) which is opposite to the working hole (2), which is closed t with a sealing element (4) through which the body (5) of the working tool, for example, a milling cutter (5, 6) passes, and which is configured to carry out at least one feed movement, driving or control movement of the working tool (5, 6), and the tube body (1) is equipped with a connecting element (8) to create internal pressure. The device according to claim 1, characterized in that it comprises an emphasis (13) movable along the pipe body (1) in the longitudinal direction with a butt surface (14) for driving the working tool (5, 6) of the corner element (15) .3 . The device according to claim 2, characterized in that the stop (13) is made in the form of a mounting nut (18) with a butt surface (14) for the corner element (15), made with the possibility of screwing onto the pipe housing provided in the inlet zone (3) (1) thread (19) .4. The device according to claim 3, characterized in that the working tool is made in the form of a rotary motion-driven working tool and, between the inlet (22) of the installation nut (18) and the body (5) of the working tool, a transmitting force is provided1. Устройство для проникающего удлинения установленного в твердой ткани, в частности, в челюстной кости, глухого отверстия, содержащее выполненный с возможностью вставки в отверстие костной ткани трубный корпус (1), отличающееся тем, что трубный корпус (1) выполнен с возможностью плотной установки в отверстие костной ткани
