Pelvic and abdomen cavity drainage tube

The utility model relates to a pelvic and abdominal cavity bilocular catheter belonging to the technical field of medical instrument, which is characterized in that: A left and a right cylindrical catheter. Wherein, one axial side wall at one end of the left and right catheter is provided with two internal catheter holes. These two holes of the left catheter match and are connected with those of the right catheter through sutures. Three external catheter holes crossed with those internal holes are arranged on the other catheter wall. The utility model has internal catheter holes between the left and right catheter, of which one catheter takes charge of suction and the other is responsible for incoming air to discharge effusion and blood through negative pressure, maintain smooth conduction, avoid infection after operation and benefit wound healing.