Jejunum nutrient canal puts into device

The utility model discloses a jejunum nutrient canal puts into device should put into the device including jejunum nutrient canal (1) and gastroscope (2) that the laminating set up, the periphery cover of jejunum nutrient canal (1) and gastroscope (2) be equipped with elasticity cover (3) with double -layered tight jejunum nutrient canal (1) and gastroscope (2), the elasticity cover still is equipped with the chain stretching device that can expand elasticity cover (3) on (3), puts into the device and has: the state of putting into, the position that need put into jejunum nutrient canal (1) is removed jointly to jejunum nutrient canal (1), gastroscope (2) and elasticity cover (3), and release condition, expand in order to withdraw from gastroscope (2) and elasticity cover (3) elasticity cover (3) to the assigned position is arranged in jejunum nutrient canal (1). Under the guide of gastroscope, put into the assigned position with jejunum nutrient canal, then withdraw from gastroscope and other auxiliary devic