
2.6. Key points of operation during secondary suturing
CAVITY
A full-thickness suture incision and no tension suture, the suture needle should not be too deep, avoid suturing to the intestinal wall, needle distance of 1.5 cm, stitching margin of not less than 3 cm, on the edge of the incision 2 cm, not suture, abdominal cavity, or incisional drainage outflow, the VSD on the surface of the incision, and then continue to use negative pressure drainage for a few days.