Equipment for treating obstructive lung disorders includes:a respiratory nozzle (2) including at least one air filtering element (21) and at least one transponder (22) on which is recorded a unique identifier and elements for storing information characterising the use of respiratory nozzle, anda device (1) designed for facilitating expulsion of mucus, and including at least one receiver (11) associated with the transponder and which only allows initiation of the device after detection of the unique identifier, which device includes at least one microcontroller (12) for the management of the transponder, which is designed both for reading information of this transponder and for modifying the information so as to prevent the use of the respiratory nozzle when the latter has already been used once by a patient or to prevent the initiation of the device if the number of uses of respiratory nozzle is greater than a predetermined threshold.
