Stopped: Due to persistent challenges in participant recruitment, the study has been terminated and the protocol has been formally withdrawn.
The purpose of this study is to investigate the auxiliary benefits of three-dimensional printed activating assistive devices for soft-mist inhaler on patients' utilization habit.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
satisfaction survey
Timeframe: 1 month after the intervention