A system for performing an endoscopic surgical procedure in a surgical cavity is disclosed which includes a primary gas circulation device housing a central processor and a primary pump, the primary pump controlled by the central processor and configured to deliver a flow of pressurized gas to a primary gas delivery lumen and to receive gas from a primary gas return lumen, and a plurality of subordinate gas circulation devices each housing a respective subordinate pump configured to deliver a flow of pressurized gas to a respective subordinate gas delivery lumen and to receive gas from a respective subordinate gas return lumen, wherein the subordinate pump in each subordinate gas circulation device is in networked communication with and controlled by the central processor of the primary gas circulation device.
