Device with an inhalation valve for a ventilation system

A ventilation system for ventilating a patient with breathing gas, the ventilation system comprising:

• a gas source for providing the breathing gas;
• an exhalation valve configured as a normally open exhalation valve;
• and
• a device comprising
• an inhalation valve configured as a normally closed inhalation valve, the inhalation valve comprising:
• an inhalation opening for a flow of breathing gas into a pressure chamber to provide the breathing gas in the pressure chamber for the ventilation of a patient;
• a closing element arranged movably, to close the inhalation opening to breathing gas flow in a closed position and to release breathing gas flow, at least partially, in an open position;
• and
• a transmission device connected to the closing element via a connection element, to hold the closing element in the closed position in a starting position of the transmission device;
• and
• a control pressure source providing a control pressure in a control pressure chamber cooperating with the transmission device to move the transmission device by the control pressure out of the starting position, wherein the transmission device is configured for a force-transmitting coupling of the pressure chamber with the closing element, so that the closing element, in a position other than the closed position, is moved in the direction of the closed position during a rise in a chamber pressure in the pressure chamber.

A process for operating an inhalation valve of a ventilation system, the process comprising the steps of:

• initiating a flow of breathing gas through the inhalation opening of the inhalation valve into a pressure chamber to provide the breathing gas in the pressure chamber for ventilating a patient;
• providing a closing element of the inhalation valve, which closing element is arranged movably, to close the inhalation opening to breasting gas flow in a closed position and to at least partially release the inhalation opening to breasting gas flow in an open position;
• providing a transmission device of the inhalation valve, which transmission device is connected via a connection element to the closing element to hold the closing element in the closed position in a starting position of the transmission device, such that the inhalation valve is provided as a normally closed inhalation valve for the ventilation system;
• and
• providing a control pressure source to provide a control pressure in a control pressure chamber for the transmission device in order to move the transmission device by the control pressure out of the starting position, wherein the transmission device is configured for the force-transmitting coupling of the pressure chamber with the closing element, such that the closing element, in a position other than the closed position, is moved against the control pressure, in the direction of the closed position when a chamber pressure rises in the pressure chamber.