MULTI-LUMEN TUBE SET FOR GAS CIRCULATION SYSTEM WITH SINGLE LUMEN GAS SEALED ACCESS PORT AND SINGLE LUMEN VALVE SEALED ACCESS PORT

摘要

A system (10) f or performing an endoscopic surgical procedure in a surgical cavity of a patient that includes a multi-lumen tube set (20) including a dual lumen portion (22) having a pressurized gas line (30) and a return gas line (32) for facilitating gas recirculation relative to the surgical cavity of the patient, and a single lumen portion (24) having a gas supply and sensing line (34) for delivering insufflation gas to the surgical cavity of the patient and for periodically sensing pressure within the surgical cavity of the patient, a first gas sealed single lumen access port (26) communicating with the dual lumen portion (22) of the tube set (20) and a second valve sealed single lumen access port (28) communicating with the single lumen portion (24) of the tube set (20) .