Patent ID: 6637434
Filing Date: 2003-10-28
Classification: A61M

Abstract:
A gas administering method for administering gas to an airway of a patient having a face, amount, a nervous system and a nasal vestibule and for use with a gas administering apparatus comprising a gas source that is operable to provide gas and a nasal vestibular portion arranged so as to receive the gas from the gas source, the nasal vestibular portion being capable of releasing the gas into the nasal vestibule, said method comprising:inserting the nasal vestibular portion into the nasal vestibule; forming a seal between the nasal vestibular portion and a surface of the nasal vestibule; administering an amount of a gas from the gas source at a constant flow rate into the nasal vestibule via the nasal vestibular portion such that the seal causes airway pressure buildup that is sufficient to prevent obstruction of the airway during depression of at least a portion of the nervous system and prevents escape of the gas from between the nasal vestibule and the nasal vestibular portion; and administering an anesthetic to the patient to induce depression of the at least a portion of the nervous system of the patient.