Described herein are nasal respiratory devices and methods for treating a variety of medical diseases including snoring and sleep apnea through the use of such devices. In general, these devices include an airflow resistor, such as a flap valve and a holdfast for securing the device in communication
Described herein are nasal respiratory devices and methods for treating a variety of medical diseases including snoring and sleep apnea through the use of such devices. In general, these devices include an airflow resistor, such as a flap valve and a holdfast for securing the device in communication with the subject's nasal cavity. The devices may be configured to include leak paths to regulate the expiratory pressure when worn by a subject. Methods for using these devices may include securing a device over or at least partially within (or both of) a subject's nasal cavities.
대표청구항▼
What is claimed is: 1. A nasal respiratory device configured to be worn while sleeping and to be secured in communication with a subject's nasal cavity, the device comprising: an airflow resistor configured to inhibit expiration more than inhalation; and a holdfast configured to secure the device i
What is claimed is: 1. A nasal respiratory device configured to be worn while sleeping and to be secured in communication with a subject's nasal cavity, the device comprising: an airflow resistor configured to inhibit expiration more than inhalation; and a holdfast configured to secure the device in communication with the subject's nasal cavity; wherein the nasal respiratory device has a resistance to expiration that is between about 0.001 and about 0.25 cm H2O/(ml/sec), and a resistance to inhalation that is between about 0.0001 and about 0.02 cm H2O/(ml/sec), when resistance is measured at 100 ml/sec. 2. The nasal respiratory device of claim 1, wherein the nasal respiratory device has a resistance to expiration that is between about 0.03 cm H2O/(ml/sec) and about 0.2 cm H2O/(ml/sec) when resistance is measured at 100 ml/sec. 3. The nasal respiratory device of claim 1, wherein the nasal respiratory device has a resistance to expiration that is between about 0.03 and about 0.15 cm H2O/(ml/sec) when resistance is measured at 100 ml/sec. 4. The nasal respiratory device of claim 1, wherein the nasal respiratory device has a resistance to inhalation that is between about 0.001 and about 0.02 cm H2O/(ml/sec) when resistance is measured at 100 ml/sec. 5. The nasal respiratory device of claim 1, wherein the nasal respiratory device has a resistance to inhalation that is between about 0.001 and about 0.01 cm H2O/(ml/sec) when resistance is measured at 100 ml/sec. 6. The nasal respiratory device of claim 1, wherein the airflow resistor comprises a flap valve. 7. The nasal respiratory device of claim 1, further comprising at least one leak path. 8. The nasal respiratory device of claim 7, wherein the at least one leak path is not formed though a movable portion of the airflow resistor. 9. The nasal respiratory device of claim 1, further comprising a nasal airflow monitor configured to be positioned within or near the nasal respiratory device. 10. The nasal respiratory device of claim 9, wherein the nasal airflow monitor is selected from the group consisting of: a nasal cannula and a thermistor. 11. A method of treating a disorder in a sleeping subject, the method comprising: allowing the subject to breathe through the mouth without additional resistance while inhibiting nasal expiration more than nasal inhalation while sleeping; and inhibiting nasal expiration more than nasal inhalation by providing a resistance to nasal expiration that is between about 0.001 and about 0.25 cm H2O(ml/sec), and a resistance to nasal inhalation that is between about 0.0001 and about 0.02 cm H2O/(ml/sec), measured at a flow rate of 100 ml/sec. 12. The method of claim 11, further comprising securing a respiratory device in communication with the subject's nasal cavity, wherein the respiratory device comprises an airflow resistor that inhibits expiration more than inhalation. 13. The method of claim 11, wherein the disorder treated is selected from the group consisting of: sleep disordered breathing or snoring. 14. A method of treating a disorder in a sleeping subject, the method comprising: securing a nasal respiratory device in communication with a subject's nasal cavity, wherein the respiratory device comprises a flap valve and a flap valve support adjacent to the flap valve, wherein the flap valve support is configured to prevent the flap valve from opening in more than one direction; and inhibiting nasal expiration more than nasal inhalation in the sleeping subject by providing a resistance to nasal expiration that is between about 0.001 and about 0.25 cm H2O/(ml/sec), and a resistance to nasal inhalation that is between about 0.0001 and about 0.02 cm H2O/(ml/sec), measured at a flow rate of 100 ml/sec. 15. The method of claim 14, wherein the disorder treated is selected from the group consisting of: sleep disordered breathing or snoring. 16. A method of treating a disorder in a sleeping subject, the method comprising: securing a nasal respiratory device in communication with a subject's nasal cavity, wherein the respiratory device comprises an airflow resistor configured to inhibit nasal expiration more than nasal inhalation; and inhibiting nasal expiration more than nasal inhalation in the sleeping subject by providing a resistance to nasal expiration that is between about 0.001 and about 0.25 cm H2O/(ml/sec), and a resistance to nasal inhalation that is between about 0.0001 and about 0.02 cm H2O/(ml/sec), measured at a flow rate of 100 ml/sec. 17. The method of claim 16, wherein the disorder treated is selected from the group consisting of: sleep disordered breathing or snoring. 18. A method of increasing a subject's tolerance of a nasal device when treating a sleep disorder by reducing the sensation of expiratory resistance when awake, the method comprising: placing a nasal respiratory device in communication with a subject's nasal cavity but not covering the subject's mouth, wherein the nasal respiratory device includes an airflow resistor configured to inhibit expiration more than inspiration; securing the nasal respiratory device in communication with the subject's nasal cavity; and instructing the subject to breathe through the mouth when awake or falling asleep. 19. The method of claim 18 wherein the step of instructing the subject to breathe through the mouth when awake or falling asleep comprises instructing the subject to breathe out through the mouth when awake or falling asleep. 20. The method of claim 18 wherein the step of instructing the subject to breathe through the mouth when awake or falling asleep comprises instructing the subject to breathe in and out through the mouth when awake or falling asleep. 21. A method of monitoring treatment of a sleep disorder comprising: securing a nasal respiratory device in communication with the subject's nasal cavity, wherein the respiratory device includes an airflow resistor configured to inhibit expiration more than inspiration; attaching a nasal airflow monitor to the nasal respiratory device or the patient's face; and monitoring nasal airflow. 22. The method of claim 21, wherein the step of attaching a nasal airflow monitor comprises attaching a nasal cannula to the nasal respiratory device. 23. The method of claim 21, wherein the step of attaching a nasal airflow monitor comprises attaching a thermistor to the nasal respiratory device. 24. A nasal respiratory device configured to be secured in communication with a subject's nasal cavity to treat a sleeping disorder, the device comprising: an airflow resistor configured to inhibit expiration more than inhalation; a holdfast configured to secure the device in communication with the subject's nasal cavity but not covering the subject's mouth; and a connector for a nasal airflow monitor configured to connect a nasal airflow monitor to the nasal respiratory device and monitor the subject's respiration. 25. The nasal respiratory device of claim 24, wherein the nasal airflow monitor is selected from the group consisting of: a nasal cannula and a thermistor. 26. A method of increasing a subject's tolerance of a nasal device when treating a sleep disorder by reducing the sensation of expiratory resistance when awake, the method comprising: placing a nasal respiratory device in communication with a nasal cavity but not covering the mouth, wherein the nasal respiratory device includes an airflow resistor configured to inhibit expiration more than inspiration; securing the nasal respiratory device in communication with the nasal cavity; breathing through the mouth when awake or falling asleep; and breathing through the nose when asleep.
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