Bone cement applicator with retractable mixing rod and method for production of a bone cement

摘要

#$%^&*AU2019204008B220200409.pdf#####BONE CEMENT APPLICATOR WITH RETRACTABLE MIXING ROD AND METHOD FOR PRODUCTION OF A BONE CEMENT ABSTRACT The invention relates to a bone cement applicator comprising a cartridge (1) with an internal space (11) for mixing of the bone cement (48), whereby the cartridge (1) comprises, on a front side, a cartridge head (6) with a dispensing opening for expelling the bone cement (48) from the internal space (11); a dispensing plunger (12) for expelling the mixed bone cement (48) from the internal space (11), whereby the dispensing plunger (12) is arranged in the internal space (11) of the cartridge (1) such as to be mobile in the direction of the cartridge head (6); a receptacle (2), whereby a monomer liquid container (5) is arranged on the inside of the receptacle (2), whereby the receptacle (2) is plugged into the cartridge (1) on a rear side of the cartridge (1) that is opposite from the front side of the cartridge (1), and is mobile in the cartridge (1); and a mixing rod (7), whereby the mixing rod (7) with a mixer (10) fastened to it is arranged in the internal space (11) of the cartridge (1), whereby the mixer (10) is fastened to a front side of the mixing rod (7) that faces the cartridge head (6), whereby the mixing rod (7) is connected, on a side opposite from the mixer (10), to a front side of the receptacle (2) that faces the cartridge head (6), and whereby the mixing rod (7) is connected to the receptacle (2) such as to be detachable, and the mixing rod (7) detached from the receptacle (2) can be pushed into the receptacle (2), when the receptacle (2) is being propelled in the direction of the cartridge head (6). The invention also relates to a method for production of a bone cement using said bone cement applicator. (Fig. 1)1 /12 28 24 18 22 26 23 20 30 5 0 21 9 3 2 46 45 44 44 -34 32 11 277 14 322 14 16 10 114 - 43 40 42 6 38 39 37 Fig. 1