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 for performing an endoscopic surgical procedure within a patient's surgical cavity, comprising: a dual lumen portion having a pressurized gas line and a return gas line to facilitate gas recirculation to the patient's surgical cavity, delivering blown gas to the patient's surgical cavity and a set of multiple lumen tubes comprising a single lumen portion having a gas supply and sensing line for periodically sensing pressure within the patient's surgical cavity, a first gas sealed single lumen access port and a tube set in communication with the dual lumen portion of the tube set. and a second valve sealing single lumen access port in communication with the single lumen portion of the system.