| 摘要 |
A nasal cannula assembly for the delivery of a gas to a patient The nasal cannula assembly includes a nasal cannula having a pair of apertured nostril outlet prongs, a first gas inlet and a second gas inlet, a first gas inlet tube formed of a flexible polymer having a first end and a second end, the first end in fluid communication with the first gas inlet of the of nasal cannula, a second gas inlet tube formed of a flexible polymer having a first end and a second end, the first end in fluid communication with the second gas inlet of the of nasal cannula and a one-way check valve positioned within a gas flowpath of either the first gas inlet tube or the second gas inlet tube. A method of delivering a gas to a patient is also provided. |
