Device for supplying breating gas

Abstract

The invention relates to a breathing gas supply device having at least one breathing gas line for conducting a breathing gas mixture, wherein the breathing gas line comprises at least one outlet via which the breathing gas mixture can be at least partially, at least temporarily, discharged, wherein the breathing gas line comprises an inspiratory branch which is designed to conduct breathing gas to a connection for a patient interface, wherein the breathing gas line comprises an expiratory branch which is designed to conduct breathing gas between the connection for a patient interface and the outlet, characterised in that at least one shut-off valve is arranged in the breathing gas line, which is designed and configured to at least periodically establish a breathing-gas-conducting connection from the expiratory branch to the inspiratory branch.

Dependencies are inferred from the claim text.