1. The prosthetic knee joint comprising an upper part (2) which has upper means (3) compounds, and pivotally mounted on the upper part (2) bottom (4) which has a bottom means (5) compounds wherein that of a knee joint prosthesis is provided having an inlet (6) and an outlet (8) a vacuum pump (20) which is actuated by the relative motion of the upper part (2) relative to the lower portion (4) .2. The prosthetic knee of Claim 1, characterized in that the vacuum pump (20) is designed so that during bending a vacuum is created, and during extension occurs vytalkivanie.3. The prosthetic knee of Claim 1 or 2, characterized in that the vacuum pump (20) is a suction piston (14), in particular linear or rotary piston porshen.4. The prosthetic knee of Claim 3 characterized in that the knee joint prosthesis made as a monocentric or polycentric as sustava.5. The prosthetic knee of Claim 1, characterized in that between the upper part (2) and lower part (4) is arranged a device (17), a power transmission for transmitting the relative movement to the vacuum pump (20) .6. The prosthetic knee of Claim 5, characterized in that the power transmission device is a lever (17) and / or toothed kolesa.7. The prosthetic knee of Claim 1, characterized in that it is a check valve (7) that prevents reverse air outflow into the suction conduit or chamber vsasyvaniya.8. The prosthetic knee of Claim 1, characterized in that the vacuum pump (20) is provided with an outlet conduit (8) with a check valve (9) .9. Prosthetic knee of claim 7, characterized1. Протез коленного сустава, содержащий верхнюю часть (2), которая имеет верхние средства (3) соединения, и установленную с возможностью поворота на верхней части (2) нижнюю часть (4), которая имеет нижние средства (5) соединения, отличающийся тем, что протез коленного сустава снабжен имеющим вход (6) и выход (8) вакуумным насосом (20), который приводится в действие за счет относительного движения верхней части (2) относительно нижней части (4).2. Пр
