肠吻合处附近的减压,是胃肠外科中既定的原则。对於乙状结肠之远侧端以及直肠任何一部份的吻合,用一條一端侧壁有孔眼的口径适当的软橡皮导管,由肛门插入,直达吻合处之上方,可以获得满意的减压。当施用这样的插管时,如何使肚管固定於适当位置,常是一个问题,如将肛管缝定於肛站周围的皮肤上,固然可以达到固定的目的,但却给病人增添痛苦,而且无疑地会招致感染。如仅用胶布粘黏,效果不灵,而且於 Decompression near the anastomosis is a well-established principle in gastrointestinal surgery. For the distal sigmoid colon and rectum of any part of the anastomosis, with a hole at the end of the wall with a hole diameter appropriate soft rubber catheter inserted from the anus, directly above the anastomosis, you can get a satisfactory decompression. When applying such a cannula, how to make the stomach tube fixed in place is often a problem. For example, if the anal canal is sewn on the skin around the anal site, it can achieve the purpose of fixation, but it adds pain to the patient. And will undoubtedly lead to infection. If only sticky tape, the effect is not working, but also in