METHOD OF COLONIC OBSTRUCTION MODELING Russian patent published in 2023 - IPC A61B17/00 G09B23/28 

FIELD: medicine; experimental surgery.

SUBSTANCE: after laparotomy, the distal part of the descending colon is removed into the wound. An isoperistaltic invagination cuff with a width of 2.0±0.5 cm fixed around the circumference with 5–6 interrupted serous-muscular sutures is formed on this section of the intestine.

EFFECT: method provides an opportunity to obtain a model of low partial obstruction of the colon (colonic obstruction) within 120 days after the formation of an invagination isoperistaltic cuff for further study of the pathophysiological mechanisms of the development of colonic obstruction and the development of pathogenetically substantiated therapy, reduces trauma due to the absence of trauma to the mesentery of the intestine, strangulation and necrosis intestine, the absence of a foreign body in the abdominal cavity, allows you to save the lumen of the intestine and the blood supply to its wall, which preserves the viability of animals.

1 cl, 1 tbl, 4 dwg, 1 ex