A loop colostomy is made over a bridge so that an appliance with a karaya gum ring can be apposed to the skin at the end of the procedure. The colostomy is opened as soon as the wound is closed and the cut edges sutured to the skin to permit primary maturation. Experience with 40 patients has demonstrated many advantages over previous methods: immediate colonic decompression, simplified nursing care, easy observation of the circulation in the stoma, and shortened convalescence.
Corman ML, Veidenheimer MC, Coller JA. An Appliance for Management of the Diverting Loop Colostomy. Arch Surg. 1974;108(5):742-743. doi:10.1001/archsurg.1974.01350290104020