Traditionally, displacement phenomenon often occurs when wearing the widely used nasal oxygen cannula , as a result, the patient cannot inhale oxygen properly, moreover, the wearing part may suffer skin injury such as ulcer, it may even look unsightly when wearing the cannula, thus causing physical and psychological burden to the patient. A main body of the nose wing type nasal oxygen cannula of the present invention is T-shaped and hollow inside, which is supported by the nose tip and nose wing, a hose is extended downward along the nose septum. A proper space is formed between the hose and the skin just like the nasal cannula at front end, so as not to contact with the skin. And an oxygen supply hose passes through cheekbone from the eye socket below, and surrounds the structure installed on the auricle.傳統上可廣泛使用的經鼻氧氣套管常在穿戴時發生移位現象,造成無法適當吸入氧氣,還有穿戴部位會發生潰瘍等皮膚傷害,甚至在穿戴時外觀不雅,對患者造成身心負擔。本發明鼻翼型經鼻氧氣套管本體略呈現T字型,內部中空,由鼻尖部與鼻翼支撐,軟管沿著鼻中隔朝下側延伸,與軟管前端鼻套管一樣與皮膚間有適度空間,不至於接觸皮膚,而供氧軟管從眼窩下方經過頰骨上,環繞耳郭裝設的構造。1‧‧‧氧氣套管本體11a、11b‧‧‧供氧分歧管12‧‧‧可動式擋環
