Patent ID: 8308340

Claim:
A mixing device comprising a body comprising: a passageway that connects a first input port attaching a first container, a second input port attaching a second container, and an output port attaching a receiving container; and a base configured to rest on top of a flat surface such that the first input port, the second input port, and the output port extend generally upwardly, the passageway for mixing a clotting agent with an input material, the first container containing the clotting agent, the second container containing the input material, and the receiving container for receiving a mixture of the clotting agent and the input material, wherein a mixer portion of the passageway has a turbulent flow inducing shape; and wherein a diameter of the first container differs from a diameter of the second container, wherein a ratio of the diameter of the first container to the diameter of the second container controls a ratio of the clotting agent to the input material in the mixture that is mixed by the mixing device.