Patent ID: 8162903

Claim:
A system for mixing and delivering fluids, comprising: a first fluid source; at least a second fluid source; a first fluid line in fluid connection with the first fluid source; at least a second fluid line in fluid connection with the at least second fluid source; a pump having an inlet and an outlet; and a mixing stopcock valve having a first input port, at least a second input port, an outlet port, and a stopcock actuator, wherein the first input port is in fluid communication with the first fluid line, the at least second input port is in fluid communication with the at least second fluid line, and the outlet port is in fluid communication with an inlet of the pump, wherein the stopcock actuator comprises an internal conduit defining a first conduit portion, a second conduit portion, and a third conduit portion of reduced diameter relative to the diameter of the first conduit portion, and wherein a positional change in the position of the stopcock actuator provides a change in the fluid mixture ratio of the first and at least second fluids delivered to a patient.