A system with at least one inflatable member configured for being arranged in a part of the patient’s respiratory tract, comprising a catheter carrying the at least one inflatable member to be arranged in the respiratory tract, said catheter comprising a fluid line for filling the inflatable member with a fluid； a pressure monitoring and control member to be arranged outside the patient’s body, said pressure monitoring member being in fluid communication with the inflatable member and being configured to receive, during operation, fluid from the inflatable member when the pressure increases above a predetermined threshold pressure and to return said received fluid when the pressure decreases below said predetermined threshold pressure； wherein the pressure monitoring and control member is an elastically expandable balloon made from a material which is configured to expand elastically when the pressure in the balloon increases above a predetermined threshold pressure and to contract when the pressure decreases below said predetermined threshold pressure.
