Ltd.;Jiang Teng Medical Science and Technology Co.
发明人:
申请号：
DE202017101527
公开号：
DE202017101527U8
申请日:
2017.03.16
申请国别(地区):
DE
年份:
2017
代理人:
摘要：
The invention relates to a self-creeping type nasal gastrointestinal catheter, which comprises a primary tube, a secondary tube, a balloon and an elastic guide wire, wherein the primary tube and the secondary tube are mutually not communicated； the secondary tube clings to the wall of the primary tube； the balloon is arranged in a mode of surrounding closely to the outer wall of the front end of the primary tube, and the balloon communicates with the front end of the secondary tube； the elastic guide wire is arranged in the primary tube in a detachable mode； through the gravity and the volume of liquid injected in the balloon, the catheter can slowly creep to a required position in a gastrointestinal tract； by virtue of the primary tube, the gastrointestinal tract is cleaned or nutrition is supplied to the gastrointestinal tract； by arranging an infusion opening is formed in the outer wall of the primary tube on the front side of the balloon or in the front end of the primary tube, detention and reflux caused by accumulation of a nutrient solution or a medicine liquid in the upper end of the balloon in a process of nutrient solution infusion or gastrointestinal administration can be effectively relieved, and subsequently, a circumstance that the supply of the nutrient solution or the medicine liquid into small intestine is affected can be avoided, so that the process of nutrient solution infusion or gastrointestinal administration becomes more convenient； and since the front end of the primary tube is designed as a bullet, a process of catheterization becomes more smooth and noninvasive, and the tolerance of patients is enhanced.
