Ventilaattori hengityksen tehostamiseksi ja hengitystä tehostavan laitteen potilaskanavaan kytketty venttiili

摘要

The invention relates to a ventilator for intensified breathing, whereby a restrictor valve for an over-pressure in the system, a valve allowing breathing from the atmosphere and a directional valve for inhalation are combined to provide a single safety valve (21) arranged in a gas mixture and inhalation conduit assembly (7, 8), said safety valve being arranged to be controlled by an electric control system (26) of the ventilator. The invention also relates to a valve of the above type.