Patent ID: 9676120
Date: 2017-06-13
CPC Classifications: A61B,A61F,B01F,B29B

Claim:
1. A mixing device for bone cement, comprising: a tubular rod, the tubular rod having a first end and a second end opposite the first end; a manipulation handle at the first end of the tubular rod; a monomer container situated in the tubular rod for containing a monomer, wherein the monomer container is constructed of a plastic material with a diffusion barrier layer; a housing with a mixing chamber for containing a bone cement powder; a mixing paddle arranged in the mixing chamber, the mixing paddle being connected with the tubular rod at the second end; a piston in the mixing chamber that is moveable away from the mixing paddle to generate a vacuum in the mixing chamber; and a threaded spindle that cooperates with and moves the piston, wherein the mixing chamber takes the shape of a cylinder.