1, enteral nutrition according to the patients needs and medical requirements, in order to meet the needs of patients with body preparation enteral nutrition liquid. A temperature of 38~40 ℃, with each injection of not more than 200ml, the interval is not less than 2h. Pull back the stomach contents before each injection, one can observe the stomach contents of color and no bleeding, can also be observed, such as the extract for the last time into the food more than 150ml, should stop injection, notify the doctors, patients, there is no abdominal distension, also can prevent reflux of gastric contents lead asphyxia.

2, continuous control of gastrointestinal decompression of certain diseases caused by abdominal distension, abdominal pain, relieve symptoms, commonly used in patients with acute pancreatitis and abdominal pain were.

3, intermittent suction of gastric lavage in the treatment of oral drug poisoning patients?? gastric lavage with the antidote can directly destroy the poison, and reduce the absorption. Continuous negative pressure drainage can reduce the gastrointestinal absorption of poison and excretion induced rebound, so as to relieve the symptoms of poisoning.

4, for the treatment of gastrointestinal bleeding

One is the direct injection of hemostatic drugs, commonly used saline 250ml add 20 mg of norepinephrine, 50ml once again injected into stomach tube, determine the time according to the severity of bleeding.

Two is injected into the ice saline lavage, physiological saline 1000ml 4 ℃ of injection, injection process to observe the reaction without discomfort caused by the cold stimulation and bleeding, connected with a negative pressure drainage device, hemorrhage and reduce the stimulus of digestive juice.