A multimode surgical gas delivery system configured to maintain a stable abdominal pressure when inhalation is applied to the abdominal cavity

摘要

A system for delivering infusion gas to a patient''s abdominal cavity during surgery is disclosed and includes a syringe for delivering a flow of infusion gas to the abdominal cavity of a patient through a flow path communicating with a pneumatically sealed trocar, A flow meter operatively connected to the flow meter for measuring an amount of gas removed from the abdominal cavity by use and configured to receive flow measurements from the flow meter and to measure the gas removed from the abdominal cavity by the inhalation device when the inhalation device is in use And a controller for determining the amount of infusion gas that needs to be delivered into the abdominal cavity by the infuser to compensate for the infusion.