Patent ID: 7658537

Claim:
A bone cement mixing and delivery system, said system comprising: a mixer including: a housing defining a mixing chamber for receiving bone cement-forming components, the housing having a discharge port that opens out of the mixing chamber; a paddle rotatably disposed in the mixing chamber for mixing the components to form bone cement; a mixing shaft connected to said paddle for rotating said paddle; a piston having a face directed towards the housing mixing chamber, said piston being moveably mounted to said housing to move through the mixing chamber so as to push the cement out through the housing discharge port; a single motor; and a drive assembly connected to said motor and to both said mixing shaft and said piston, said drive assembly configured to, upon actuation of said motor: rotate said paddle to cause mixing of the bone cement-forming components to form bone cement; and move said piston through the housing mixing chamber so as to cause the discharge of the bone cement through the housing discharge port; and a delivery device removably connected to said housing, said delivery device having: a reservoir, said reservoir in fluid communication with the mixer housing discharge port for receiving the cement discharged through the housing discharge port: and a delivery port through which cement is discharged from the reservoir of said delivery device.