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An apparatus for mixing bone cement in a vacuum includes a container for mixing first and second components of a bone cement in a vacuum, the container having a sealed body defining an interior space and a selected quantity of the first component disposed in the interior space. The container is prov

An apparatus for mixing bone cement in a vacuum includes a container for mixing first and second components of a bone cement in a vacuum, the container having a sealed body defining an interior space and a selected quantity of the first component disposed in the interior space. The container is provided with an injection port for admitting the second component into the interior space vacuum source. A mixing paddle is disposed in the interior space and connected to a handle therefor extending out of the container. A plurality of indirect pathways extend between the interior space and the exhaust port which permit gas to pass therethrough out of the interior space, but prevent the bone cement first and second components from passing therethrough.

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[ What is claimed is:] [1.] Apparatus for mixing bone cement in a vacuum, said apparatus comprising:a container for mixing first and second components of a bone cement in a vacuum, said container comprising:a sealed body defining an interior space for retaining a selected quantity of said first bone

[ What is claimed is:] [1.] Apparatus for mixing bone cement in a vacuum, said apparatus comprising:a container for mixing first and second components of a bone cement in a vacuum, said container comprising:a sealed body defining an interior space for retaining a selected quantity of said first bone cement component; andan exhaust port formed in said sealed body and communicating with said interior space, said exhaust port being adapted for interconnection with a vacuum source for pulling a vacuum inside said interior space of said sealed body;an agitator comprising:a mixing paddle disposed in said interior space of said sealed body; andan actuating handle disposed outside said sealed body, said mixing paddle being connected to said actuating handle by a hollow shaft extending through said sealed body;said hollow shaft comprising a thin-walled exterior tube and a resilient interior tube, said thin-walled exterior tube being connected to said mixing paddle, and being provided with a breakaway notch adjacent to said mixing paddle, and said resilient interior tube being provided with a porous plug disposed in a central passageway of said resilient interior tube adjacent to said mixing paddle, said porous plug being connected to said resilient interior tube and being adapted to permit gas and the bone cement second component to pass through said porous plug but to prevent said bone cement first component from passing through said porous plug; andan injection port formed in said actuating handle and communicating with the interior of said resilient interior tube, said injection port being adapted for interconnection with a holder containing a selected quantity of said bone cement second component, whereby said bone cement second component can be introduced into said interior space of said sealed body for mixing with said bone cement first component.