1. A system (10) configured to expose a subject discharge processes (suction) (12), the system comprising: (a) a generator (14) pressure, configured to generate a flow of breathing gas for delivery to the airway of the subject according to the mode of therapy injection (suction) (b) an interface (16) of the subject, configured to place the pressure generator in fluid connection with the respiratory pathways of the subject (c) one or more sensors (18) configured to generate one or bol e output signals, transmitting information relating to one or more parameters of the gas stream and (d) one or more processors (20) configured to execute computer program modules of computer program modules comprising: (1) the module (42) control configured to control pressure generator according to the mode of therapy discharge (suction), the pressure generator according to the mode control therapy discharge (suction) comprises: (i) instruct the pressure generator to modulate the gas pressure in the breathing phase between two or more pressure levels to form a shape signal a percussion pressure for delivery to the airway of the subject during breathing phase and (ii) monitoring the response of the respiratory gas flow rate at the pressure modulation during breathing phase (2) the module (44) efficiency configured to determine the effectiveness of the mode injection therapy (suction), the determination of effectiveness based on the susceptibility of the gas flow at the modulation in pressure and (3) the module (46) regulating configured to1. Система (10), сконфигурированная с возможностью подвергать субъект процессам нагнетания (отсасывания) (12), система содержит:(a) генератор (14) давления, сконфигурированный с возможностью формировать поток дыхательного газа для доставки в дыхательные пути субъекта согласно режиму терапии нагнетания (отсасывания)(b) интерфейс (16) субъекта, сконфигурированный с возможностью помещать генератор давления в соединение по текучей среде с дыхательными путя