#$%^&*AU2013254886B220150416.pdf#####DEVICE FOR MIXING AND DISPENSING A PASTY MASS ABSTRACT Device for mixing and dispensing a pasty mass, in particular a bone cement, comprises a cartridge (9, 80) that is open or can be opened on two ends and has a mixing element (1, 91) and a feed plunger (81) arranged in it, wherein the feed plunger (81) being in a starting position is arranged in the region of a first cartridge end, the mixing element (1, 91) is arranged on a mixing rod (2, 89), the mixing rod (2, 89) extends through the feed plunger (81) into the inside of the cartridge, the mixing rod (2, 89) and the feed plunger (81) and the cartridge (9, 80) together form a tight connection that seals the cartridge inside of the device with respect to the exterior, wherein the feed plunger (81) is arranged such as to be axially mobile on the mixing rod (2, 89) and in the cartridge (9, 80), and wherein at least one clamping jaw (18, 78) is arranged on the feed plunger (81) in appropriate manner such that the clamping jaw (18, 78) can be pressed against the mixing rod (2, 89), by means of a locking element (5, 79), such that the mixing rod (2, 89) can no longer be shifted with respect to the feed plunger (81).2/8 2 22 22 14 5 18 18 1210 -110 20 20 32--- 32 26------ 26 24--- ---- 24 3 -- 28 Figure 2
