Electromagnetic High-Frequency Chest Wall Oscillation on Pulmonary Mucus Clearance in Patients With Impaired Self-Expectoration
Conditions
Interventions
- DEVICE: CAREWAY
- DEVICE: EM HFLS CWSE(Nine-Motor)
- DEVICE: EM HFLS CWSE(Single-motor)
Sponsor
Pusan National University Yangsan Hospital