Fluid management system

SE discloses an apparatus for supplying a liquid to a cavity CORPORAL (10) during a ENDOSCOPIC including a device liquid supply controlled by a feedback loop inherently capable of supplying a liquid to a PRE SION SUBSTANTIALLY CONSTANT SUBSTANTIALLY INDEPENDENT OF SPEED LIQUID FLOW SUPPLIED BY THE LIQUID SUPPLY DEVICE WITHIN A RELATIVELY WIDE RANGE OF FLOW SPEEDS. A DISPOSABLE PLASTIC PUMP BOX THAT HAS AN INPUT PUMP IN A RECEPTACLE AND AN OPERATING CANNULA IS ALSO PRESENTED. THE SURGICAL PROCESS IS CARRIED OUT WITH A CONTINUOUS CONTROL OF THE PRESSURE IN THE BODY CAVITY, INDEPENDENTLY OF THE SPEED OF OUTPUT FLOW.