Methods, Systems and Devices for Non-Invasive Open Ventilation for Treating Airway Obstructions

A system for reducing airway obstructions of a patient, the system comprising:

• a ventilator;
• a control unit;
• and
• a gas delivery circuit with a proximal end in fluid communication with the ventilator and a distal end in fluid communication with a nasal interface;
• the nasal interface comprising:
• at least one outer tube having including a support therein, the outer tube and support at least partially defining a primary gas flow path;
• at least one jet nozzle extending at least partially through the support and defining a gas delivery path in fluid communication with the primary gas flow path;
• at least one entrainment aperture disposed in the support and defining an ambient air delivery path in fluid communication with ambient air, wherein the at least one entrainment aperture is oriented relative to the at least one jet nozzle such that an air delivery path axis defined by the ambient air delivery path extends in generally parallel relation to a gas delivery path axis defined by the gas delivery path;
• and
• at least one spontaneous respiration sensor in communication with the control unit for detecting a respiration effort pattern and a need for supporting airway patency,
• wherein the control unit determines a plurality of baseline gas output velocities which are synchronized with different parts of a spontaneous breath effort cycle, and adjusts the plurality of baseline gas output velocities as determined by the need for supporting airway patency.

A system for reducing airway obstructions of a patient, the system comprising:

• a ventilator;
• and
• a nasal interface in fluid communication with the ventilator, and comprising:
• at least one outer tube having including a support therein, the outer tube and support at least partially defining a primary gas flow path;
• at least one jet nozzle extending at least partially through the support and defining a gas delivery path in fluid communication with the primary gas flow path;
• and
• at least one entrainment aperture disposed in the support and defining an ambient air delivery path in fluid communication with ambient air, wherein the at least one entrainment aperture is oriented relative to the at least one jet nozzle such that an air delivery path axis defined by the ambient air delivery path extends in generally parallel relation to a gas delivery path axis defined by the gas delivery path.