#$%^&*AU2011200668C120120329.pdf#####ABSTRACT A nasal respiratory device adapted to be secured at least partially over a subject's nose comprising: 5 a nasal mask body configured to be secured at least partially over the subject's nose without covering the subject's mouth； an airflow resistor coupled to the nasal mask body and configured to increase the resistance to air exhaled 10 through the device more than the resistance to air inhaled through the device； and a holdfast comprising one or more straps configured to secure the nasal mask body at least partially over the subject's nose. 15 25580651 (GHMatters) 1402/11
