This exploratory study aims to evaluate the efficacy and safety of an electromagnetic high-frequency, low-strain chest wall oscillation device for enhancing pulm
Hospitalized patients who require sputum clearance.
Patients who present with fever or respiratory symptoms (cough, sputum) and, after confirmation of findings on imaging studies, are judged by the clinician to require sputum clearance.
Adult patients (≥ 18 years) who have signed the informed consent form, or patients for whom consent has been obtained from a legally authorized representative
Patients with severe pneumonia requiring intensive care unit (ICU) treatment.
Patients with major pulmonary diseases other than pneumonia, such as active tuberculosis or lung cancer.
Patients with severe respiratory failure (PaO₂/FiO₂ ≤ 200 mmHg).
Patients with hemodynamically unstable cardiovascular disease (myocardial infarction within the past 3 months, or heart failure of NYHA class 3 or higher).