#$%^&*AU2017204900A120180208.pdf#####BONE CEMENT APPLICATOR WITH THREE-WAY VALVE FOR PRESSURE RELIEF ABSTRACT The invention relates to a bone cement applicator for application of a bone cement dough in the region of the spine, the bone cement applicator comprising a tubular cartridge (1) with an internal space； a dispensing plunger (11) for expelling the starting components of the bone cement dough or the bone cement dough from the cartridge (1) through an opening of the cartridge (1) opposite from the dispensing plunger (11), whereby the dispensing plunger (11) is mobile in longitudinal direction in the internal space of the cartridge (1)； a hose (4)； an application opening (6) through which the bone cement dough is applicable； a three-way valve (2) that is operable from outside and is arranged or arrangeable in the hose (4) or on a side of the hose (4) facing the cartridge (1), whereby the three-way valve (2) is in fluid connection with the opening of the cartridge (1), when the three-way valve (2) is connected to the cartridge (1)； a collecting container (9) arranged on the three-way valve (2) for accommodation of bone cement dough, whereby the three-way valve (2) is appropriately designed and is appropriately arranged or arrangeable in the bone cement applicator such that it, being in a first position, provides a fluid connection between the application opening (6) and the opening of the cartridge (1) and closes a feed-through (20) to the collecting container (9) and, being in a second position, provides a fluid connection between the application opening (6) and the collecting container (9) and closes a passage (19) to the opening of the cartridge (1). The invention also relates to a method for application of a bone cement dough using said bone cement applicator. (Figure 1)1/17 Drawings 5 6 P12 4 7 3 2 13 9 10 11 Figure 1
