#$%^&*AU2017201617A120170928.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, the storage and mixing system comprising a cartridge (1) with a cylindrical interior, a cartridge head (7) that closes an end of said cartridge (1), a partition wall (2) axially disposed in the cylindrical interior of the cartridge (1), wherein said partition wall (2) is connected to the circumferential surface of the cylindrical interior of the cartridge (1) and wherein the partition wall (2) divides the cylindrical interior of the cartridge (1) delimited by the cartridge head (7) into two spatially separate cavities (3, 4), wherein the first cavity (3) includes a first pasty cement component and the separate second cavity (4) includes a second pasty cement component, two delivery plungers (5, 6) disposed movably in the axial direction in the two cavities (3, 4) of the cartridge (1), wherein said delivery plungers (5, 6) close the two cavities (3, 4) on the side of the cavities (3, 4) opposite the cartridge head (7), wherein the delivery plungers (5, 6) are connected to one another on the back side opposite the cartridge head (7) by means of a sleeve-shaped connecting means (18), wherein at least two cutting edges (20) are disposed on the front side of the sleeve-shaped connecting means (18) facing the cartridge head (7), such that the at least two cutting edges (20) cut off the partition wall (2) from the cylindrical inner wall of the cartridge (1) as at least one cut-off strip when the delivery plungers (5, 6) are advanced towards the cartridge head (7) in the cavities (3, 4) with the connecting means (18), and wherein the sleeve-shaped connecting means (18) comprises a deflecting surface which is inclined to the axis of the connecting means (18) which, on advancing the connecting means,
