| 摘要 |
A high frequency ventilator (10) which generates a high frequency pressure wave in a supply (26) of ventilating gas for supporting ventilation in air breathing animals. The high frequency pressure wave causes the ventilating gas to be exchanged and to diffuse through the animal's lungs fast enough to support ventilation without spontaneous breathing on the part of the animal and without the aid of a separate ventilator. There are means provided for producing a high frequency, variable period, variable amplitude pressure wave in said gas, which is polar relative to the static airway pressure in said animal, to actively force gas into and draw gas out of said animal. |
