| 摘要 |
According to the invention, the device for respiratory assistance (1) is tubular, forms a main channel (5), comprises at least one auxiliary channel (8) connected to a source (25) of breathable gas, has means of diversion (36) for diverting a volume fraction of the breathable gas intended for the auxiliary channel (8), and means of aspiration (38) which aspirate ambient air and are driven by the diverted fraction of breathable gas, in such a way that the aspirated ambient air, mixed with the diverted fraction of breathable gas, is conveyed into the main channel (5) between the distal orifice (18) of the auxiliary channel (8) and the distal end (7) of the main channel (5). |
