[Structure and composition]: The nasal oxygen tube is divided into head ring type, nose bridge type and ear hook type according to different types; the nose bridge type is divided into single plug type and double plug type, and double plug type is divided into ring type and There are two types of Y type, head ring type and ear hook type nasal oxygen tube is composed of nasal plug, hose, oxygen source connector and hanging ear (or rubber band); nose bridge type nasal oxygen tube is composed of nasal plug, tee, hose and oxygen Source joint composition. [Scope of application]: The disposable nasal oxygen tube is used for direct oxygen delivery between the oxygen source and the oxygen inhaler during oxygen inhalation. [Usage method]: 1. Choose the appropriate specifications according to clinical needs; 2. Open the package from the opening; 3. Take out this product and gently stuff the nasal congestion into the patient's nasal cavity; 4. Connect the horn connector of the nasal oxygen tube and the oxygen generation device Connect, turn on the switch of the oxygen supply device and use it under the guidance of medical staff.