| 摘要 |
A respiratory muscle endurance training device (RMET) includes a chamber and a patient interface. In one implementation, one or both of a CO<SUB>2 </SUB>sensor or a temperature sensor can be coupled to the chamber or patient interface to provide the user or caregiver with indicia about the CO<SUB>2 </SUB>level in, or the temperature of, the chamber or patient interface, and/or the duration of use of the device. In another implementation, the RMET may have a fixed volume portion adjustable to contain a measured portion of a specific patient's inspiratory volume capacity. Methods of using the device are also provided.
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