Duodenum pipe

The utility model provides a duodenum pipe, its includes inlayer pipe and outer pipe, is exposing the part outside patient's nasal cavity, is provided with temperature sensitive coating between inlayer pipe and outer pipe. Owing to set up temperature sensitive coating, can show predetermined colour according to the problem of the nutrient solution that flows past in the pipe, judge according to the colour whether suitable the temperature is to make things convenient for medical personnel in time to deal with, avoid the too low or too high injury that causes the patient of nutrient solution temperature. 种十二指肠管，其包括内层管和外层管，在暴露于患者鼻腔外的部分，在内层管和外层管之间设置有温敏涂层。由于设置了温敏涂层，可以根据管中流过的营养液的问题显示预定颜色，根据颜色判断温度是否适当，以方便医护人员及时应对，避免营养液温度太低或太高对患者造成的伤害。