| 摘要 |
A high-safety mixer device (2) useful with an apparatus (1) for measuring and monitoring at least two medical fluids to be mixed together comprises a pressure switch (3) having a membrane-type (12) pressure chamber (11) connected in the feed line (6) of one fluid, and a control valve (10) connected in the feed line (7) of the other fluid. The valve (10) opening is directly controlled by the pressure force acting on the membrane (12) and the device (2) with this construction ensures that the delivery of one fluid, such as an anaesthetic gas, is cut off on a pressure outage in the other fluid, such as oxygen. |
