A 27-year-old patient with a knife stomach wound has been delivered to a hospital 4 hours after injury. Objectively: the patient is in grave condition. Ps- 120 bpm, weak. AP- 70/40 mm Hg. Laparotomy revealed a lot of liquid blood in the abdominal cavity. The patient has been found to have bleeding from the mesenteric vessels of the small intestine. Damage to hollow organs has not been revealed. What is the best way to restore the blood loss?