A high pressure bone cement delivery device comprising: a delivery adapter extending from an end to an opposite end and comprising an input port , a cavity having bone cement (BC) disposed therein and an output port having an opening that is in communication with the cavity , wherein the end defines a first portion of the delivery adapter and the opposite end defines a second portion of the delivery adapter , wherein the first portion comprises an inner surface defining a nozzle having a first section that is in communication with the cavity and a second section that is in communication with the first section and the opening , the delivery adapter further comprising an actuator movably disposed in the cavity ; and a pressure intensifier coupled to the delivery adapter and comprising: a first chamber containing a gas (G), a second chamber containing a fluid, a piston having a first end movably disposed within the first chamber and a second end movably disposed in the second chamber , and a second output port in communication with the second chamber and the input port , wherein the first end of the piston comprises a first end surface having a first surface area and the second end of the piston comprises a second end surface having a second surface area that is less than the first surface area, wherein a side of actuator is convexly curved and the first section of the nozzle includes a beveled opening that engages the convex portion of the side of actuator that forms a seal that is air tight or water tight, when the actuator is moved in a configuration in which the side of actuator engages the first portion and the bone cement (BC) is expelled through the opening . a delivery adapter extending from an end to an opposite end and comprising an input port , a cavity having bone cement (BC) disposed therein and an output port having an opening that is in communication with the cavity , wherein the end defines a first portion of the delivery adapter and the opposite end defines a second portion of the delivery adapter , wherein the first portion comprises an inner surface defining a nozzle having a first section that is in communication with the cavity and a second section that is in communication with the first section and the opening , the delivery adapter further comprising an actuator movably disposed in the cavity ; and a pressure intensifier coupled to the delivery adapter and comprising: a first chamber containing a gas (G), a second chamber containing a fluid, a piston having a first end movably disposed within the first chamber and a second end movably disposed in the second chamber , and a second output port in communication with the second chamber and the input port , a first chamber containing a gas (G), a second chamber containing a fluid, a piston having a first end movably disposed within the first chamber and a second end movably disposed in the second chamber , and a second output port in communication with the second chamber and the input port , wherein the first end of the piston comprises a first end surface having a first surface area and the second end of the piston comprises a second end surface having a second surface area that is less than the first surface area, wherein a side of actuator is convexly curved and the first section of the nozzle includes a beveled opening that engages the convex portion of the side of actuator that forms a seal that is air tight or water tight, when the actuator is moved in a configuration in which the side of actuator engages the first portion and the bone cement (BC) is expelled through the opening . <EOS>