#$%^&*AU2017201784B220180104.pdf#####STORAGE AND MIXING SYSTEM FOR PASTY CEMENT COMPONENTS AND METHOD THEREFOR ABSTRACT The invention relates to a storage and mixing system for pasty two-component polymethyl methacrylate bone cements, comprising a tubular cartridge (1) having a cylindrical inner chamber, a cartridge head (7), which closes one end of the tubular cartridge (1) at the front side, a partition (2) that is disposed axially in the cylindrical inner chamber of the cartridge (1), wherein the partition (2) divides the cylindrical inner chamber of the cartridge (1) bounded by the cartridge head (7) into two cavities (3, 4) that are spatially separated from one another, wherein a first pasty cement component is present in the first cavity (3) and a second pasty cement component is present in the separate second cavity (4), two dispensing plungers (5, 6) that are axially displaceable in the two cavities (3, 4) of the cartridge (1), wherein the dispensing plungers (5, 6) close the two cavities (3, 4) on the back side of the cavities (3, 4) situated opposite the cartridge head (7), a bending device (18) for deforming the partition (2), wherein the bending device (18) is axially movable in the cartridge (1) and is disposed, or is to be disposed, behind the dispensing plungers (5, 6), as seen from the cartridge head (7), wherein the bending device (18) has a deflection surface that is inclined with respect to the axis of the cartridge (1) and pushes the partition (2) laterally in the direction of the inside wall of the cartridge (1) when the bending device (18) is pushed into the cartridge (1). The invention also relates to a method for mixing pasty cement components of a pasty polymethyl methacrylate bone cement, using such a storage and mixing system. (FIG. 1)1/13 9 8 16 14 92 7 24 18 21 19 10 12 23 3 4 2 24 5 6 2618 22 23 20 FIG. 1
