| abstract |
The present invention relates to a respiratory system comprising a first patient interface for delivery of a first flow of gas to a patient, a second patient interface for delivery of a second flow of gas to the patient, And / or sensing arrangement, wherein the device and / or the sensing arrangement are arranged such that, when the second patient interface is absent from the patient, the device permits delivery of the first flow of gas to the outlet of the first patient interface A first respiration mode and a second respiration mode in which the device reduces or aborts delivery of a first flow of gas to an outlet of the first patient interface when the second patient interface is located with the first patient interface on the patient To enable switching of the system. |