| 摘要 |
An oxygen therapy apparatus includes a connector (1) having first, second and third openings in fluid communication with one another, the first opening (5) being arranged to be coupled to an oxygen supply and the second opening (3) being arranged to be coupled to patient airway device, wherein the third opening (13) is coupled to an exhaust bag (15) having an exhaust port (17) formed therein, the exhaust bag being formed of a flexible material such that the exhaust bag collapses on itself and seals the exhaust port (17) when negative pressure is present at the third opening (13). |
