Patent ID: 8348494

Claim:
A system for mixing and dispensing vertebroplasty composition, comprising: a mixing container having a wall defining a chamber for mixing the composition, said mixing container having a closed end, an open end, and a thread at or adjacent said open end; an injector barrel for receiving cement dispensed from said container; and a dispensing component having a base portion, a connecting portion compatible with said thread of said mixing container, a first plunger fixed to said base portion, and a threaded second plunger, wherein when said dispensing component is connected with said mixing container through engagement of said connecting portion with said thread, said first plunger is in said chamber and contacting the interior surface of said wall, and wherein said threaded second plunger is threaded through and rotatable with respect to said handle and insertable into said injector barrel when said injector barrel is connected to said dispensing component.