Figure 2.

Flowchart of ileus catheter insertion. (A, B), the red arrow refers to ileus catheter insertion under the colonoscope; (C, D), the yellow arrow shows the ileus catheter injection of a 15 mL water sac to fix the ileus catheter to avoid slippage; (E), the green arrow shows stent fixation with 3 titanium clips at the distal end to prevent slipping of the stent. (F), is the modified intestinal obstruction catheter, and the material is the intestinal obstruction catheter material. It is a three-chamber capsule catheter. The length is 50cm, and the purple arrow indicates the flushing tube (internal diameter of 3mm), which is continuously flushed; The sky blue arrow indicates the drained stool (model 24Fr, 8 mm in diameter), which can be connected to the outside of the urine bag. The sky blue color arrow is the water injection tube (5 to 25 mL of normal saline can be injected according to the size of the intestinal wall). However, the black color of the tip refers to the position of the water sac, which is the water sac filled with water and the water sac without water, and the white color is the side hole of the tip, which can avoid the obstruction of the lumen by stool and enhance drainage. While there is a white protective cap at the tip, which is removed when used.