| 摘要 |
An automatic resuscitation apparatus for administering a breathable gas to a patient that can be held in one hand, and containing the necessary valves and controls, and operable in automatic mode, demand mode, and manual mode, and having, a flow chamber for a breathable gas, a patient mask connector at an outlet of said flow chamber, a chamber valve within the flow chamber for permitting passage of breathable gas from the chamber to the mask connector, a exhaust for exhausting exhaled breath exteriorly of the flow chamber, a breathable gas supply to the flow chamber, a supply valve operable to provide an on-off control of the breathable gas supply, and, a timing valve responsive to flow of gas to the flow chamber, to move at predetermined intervals between on/off positions, the timing valve being connected to the supply valve, so as to procure on-off operation of the supply valve in timed relation to the timing valve. |
