Nasal interface apparatus and systems for use with a respiratory assist device
AssigneeInogen, Inc.
InventorsTodd W. Allum, Gregory J. Kapust
Life of this patent
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Abstract
An ambulatory assist ventilation (AA V) apparatus and system are disclosed for the delivery of a respiratory gas to assist the spontaneous breathing effort of a patient with a breathing disorder. The AA V system includes a compressed respiratory gas source, a respiratory assist device for controlling respiratory gas flow to the patient, a patient circuit tubing and a low profile nasal interface device, which does not have a dead space or hollow area where CO2 can collect, for delivering the respiratory gas to the patient, wherein the nasal interface device is fluidly connected to the respiratory assist device via tubing for receiving the respiratory gas therefrom.
Claims54
A nasal interface apparatus for use with a respiratory device that doses compressed gas from a compressed gas source, the apparatus comprising:
- a pair of hub components for receiving the compressed gas with each hub component having a plurality of delivery openings;
- a pair of nasal pillows, wherein each nasal pillow has a tubular structure with a first end and a second end and wherein a respective hub component is concentrically disposed with the first end of each nasal pillow such that the plurality of delivery openings of the hub component are positioned to deliver the compressed gas within the nasal pillow;
- and at least one ambient air aperture formed at the first end of each nasal pillow near or proximate to the plurality of delivery openings of the respective hub component disposed therein, wherein the plurality of delivery openings are configured to entrain ambient air via the at least one ambient air aperture when delivering the compressed gas.
A nasal interface apparatus for use with a respiratory device that doses compressed gas from a compressed gas source, the apparatus comprising:
- first and second hub components for receiving the compressed gas, wherein each of the first and second hub components defines a plenum for distributing the compressed gas through a plurality of gas delivery openings of the respective hub component and wherein the first hub component includes a sensing opening in fluid communication with a pressure sensor of the respiratory device;
- a first nasal pillow having the first hub component disposed at a proximal end thereof, such that the plurality of gas delivery openings of the first hub component are positioned to deliver the compressed gas into the first nasal pillow;
- a second nasal pillow having the second hub component disposed at a proximal end thereof, such that the plurality of gas delivery openings of the second hub component are positioned to deliver the compressed gas into the second nasal pillow;
- and a first tube coupled to an inlet of the plenum defined by the first hub component, wherein the first tube has a single lumen for delivering the compressed gas to the first hub component and for providing fluid communication between the sensing opening of the first hub component and the pressure sensor.
A nasal interface apparatus for use with a respiratory device that doses compressed gas from a compressed gas source, the apparatus comprising:
- a pair of annular hub components for receiving the compressed gas with each hub component having a plurality of delivery openings in a distal face thereof;
- and a pair of nasal pillows, wherein each nasal pillow has a respective annular hub disposed at a proximal end thereof such that the plurality of delivery openings of the annular hub component are positioned to deliver the compressed gas into the nasal pillow proximate to the proximal end of the nasal pillow.
Dependencies are inferred from the claim text.