| 摘要 |
An arrangement and method for guiding expired gas flow in a breathing circuit through a housing assembly 10 for removing an undesired gas component e.g. carbon dioxide is disclosed. The housing assembly includes a first port 15 and a second port 16, one of the ports receiving the flow and another discharging the flow. The arrangement includes a gas routing device 30 in flow communication with the breathing circuit and the housing assembly 10. The routing device 30 is provided with at least two different route options. According to a first option the gas is guided to the first port 15 and through the housing assembly 10 to the second port 16 and to the gas routing device for guiding for the inspiration. According to a second option the gas is guided to the second port 16 and through the housing assembly 10 to the first port and 15 to the gas routing device for guiding for the inspiration. This solves the problem of the inability to fully exploit capacity to remove the undesired gas component in the housing assembly. Also, if two housings 17,18 are used the user does not need to swap around the housings 17,18 when replacing one of the housings. |
