#$%^&*AU2016234351B220170720.pdf#####A DEVICE AND METHOD FOR STORING AND MIXING A BONE CEMENT ABSTRACT The invention relates to a device for mixing a bone cement (55), the device comprising at least one cartridge (1), wherein the cartridge (1) comprises in its interior a cylindrical mixing chamber (2), a discharge piston (4) which can be moved in the cylindrical mixing chamber (2) in the longitudinal direction and which is sealed against the walls of the mixing chamber (2), a mixing device (7) for thoroughly mixing the content of the mixing chamber (2), which is arranged in the interior of the mixing chamber (2), wherein the mixing device (7) can be operated externally via a mixing rod (6) and wherein the mixing rod (6) is guided through a passage in the discharge piston (4) in such a manner that it can be rotated and displaced in the longitudinal direction by the discharge piston (4), wherein the cartridge (1) comprises a discharge opening (5) opposite the discharge piston (4), wherein in the mixing chamber (2) a first component (3) of the bone cement (55) is contained between the discharge piston (4) and the discharge opening (5), wherein a monomer fluid as a second component of the bone cement (55) is introducable through the discharge opening (5) into the mixing chamber (2), and wherein the device comprises a locking element (9, 10) with which the mixing rod (6) is affixable or is affixed to the discharge piston (4) in such a manner that the discharge piston (4) can be moved by means of the mixing rod (6) in the mixing chamber (2) in the longitudinal direction. The invention also relates to a method for storing and mixing a bone cement (55) with such a device. (Figure 1)1/5 8 6 9 13 12 10 24 16 4 22343 20 14 -- 52 28 30 2 35 7--44 36 3s 33 40 46 3 266 42 Figure 1
