| abstract |
The invention relates to a respirator (1), in particular emergency respirator, consisting of a pressure source (3) placed in an inspiratory path (2), an expiratory valve (5) arranged in an expiration path (4) and a patient (6) to be ventilated. placed Y-piece (7), which is coupled on the input side with the inspiration path (2) and the output side with the expiration path (4). Characteristic of the invention is that a 3/2-way valve (8) with three ports (8.1 to 8.3) and two valve positions is provided, wherein the first port (8.1) of the 3/2-way valve (8) with a flow direction of the respiratory gas before the pressure source (3), respectively on the low pressure side of the inspiration path (2), placed branch (2.1), the second port (8.2) of the 3/2-way valve (8) with a flow direction of the respiratory gas after the pressure source ( 3), respectively on the high pressure side of the inspiratory path (2), branched branch (2.2) and the third port (8.3) of the 3/2-way valve (8) is pneumatically coupled to the expiratory valve (5), and for the purpose of switching between the inspiration and the expiration at least with the pressure source (3) and the 3/2-way valve (8) in electrical operative connection (10) standing control and regulating device (11) is provided. |