The utility model provides an anti pressure sore oxygen nasal catheter which can improve the comfort of the patients and reduce the time spent by the nursing staff on the nursing of the nasal catheter.The technique is characterized by an oxygen nasal catheter for preventing pressure sore.Including nasal cannula,Left and right positioning units,And rear connector；The nasal cannula includes transverse cannula which is connected with each other.Nose fork head and airway；The left positioning unit comprises a left tube body with a flexible part and one end correspondingly connected with the transverse tube.And a left cushion movable outside the left tube；The right positioning unit comprises a right pipe body having a flexible part and one end correspondingly connected with a transverse pipe.And a right cushion which is movable and positioned outside the right tube；The rear connector includes belt body,And first,Second connecting fastener,The first connecting fastener can be detachably connected with the left positioning unit.The second connecting fastener can be detachably connected with the right positioning unit.本新型在於提供一種能增進病患舒適度，並減少護理人員花費在鼻導管護理上之時間的防壓瘡氧氣鼻導管。其技術手段：其特徵在於防壓瘡氧氣鼻導管，包含鼻套管、左和右定位單元、及後連接件；鼻套管包括相互間呈連通狀的橫向導管、鼻叉頭及導氣管；左定位單元包括一部分具有可撓性且一端與橫向導管對應連接的左管體、及一活動定位於左管體外的左墊體；右定位單元包括一部分具有可撓性且一端與橫向導管對應連接的右管體、及一活動定位於右管體外的右墊體；後連接件包括帶體、及第一、第二連接扣件，第一連接扣件能與左定位單元可拆卸式地連接，第二連接扣件能與右定位單元可拆卸式地連接。
