Installation for monitoring the observance of a oxygen therapy at home with sensors at the nasal cannula

The invention relates to an installation for monitoring the observance of oxygen therapy with a patient (20) comprising a nasal cannula (1), a measuring unit and data transmission (2, 19) arranged on or near the nasal cannula (1) having one or more sensors selected from a pressure sensor, a temperature sensor and a concentration sensor CO2 or O2, a capacitive sensor and a suitable accelerometer and designed for raw data pressure measuring, temperature and / or concentration of CO2 or O2, for capacitive measurement and / or acceleration measurement and the first data transmission means (19) adapted to and arranged to transmit all or part of the raw measurement data measured by the sensor, and an acquisition device (4) comprising first remote data receiving means (5, 16) adapted to and arranged to receive all or part of data raw measurement data transmitted by the first transmission means (19) and data processing means (6, 9) comprising a microprocessor (9) implementing an analysis algorithm (6) adapted to and designed to treat said raw data to obtain processed measurement data.