1. Induction: Inhaled as a gas mixture of sevoflurane and oxygen or oxygen / nitrous oxide. It can also be induced by administering a sleeping amount of intravenous anesthetic and taking it as an oxygen or oxygen / nitrous oxide mixture gas. Usually, it can be derived from 0.5 to 5.0%.
2. Maintain: Surgical anesthesia is maintained at the minimum effective concentration in combination with oxygen and nitrous oxide while observing the patient's clinical condition. It is usually kept below 4.0%.
