Overview

This exploratory study aims to evaluate the efficacy and safety of an electromagnetic high-frequency, low-strain chest wall oscillation device for enhancing pulm

Eligibility

Inclusion Criteria:

• 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

Exclusion Criteria:

• 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).
• Patients hospitalized for head and neck trauma whose surgical site has not yet healed.
• Patients with serious cardiac arrhythmias or hemodynamic instability.
• Patients who have had pneumothorax or massive hemoptysis within the past 6 months, or who currently have hemoptysis.
• Patients who have undergone spinal surgery within the past 6 months or who have acute spinal injury.
• Patients with osteoporosis.
• Patients with bronchopleural fistula.
• Pregnant or breastfeeding women.
• Patients diagnosed with cervical disc disease.
• Individuals who have participated in clinical studies two or more times in the same year, or who have participated in another clinical study within the past 6 months (however, patients enrolled in chronic lung disease cohort studies such as asthma or COPD are allowed).
• Individuals who, in the judgment of the principal investigator or sub-investigator, have clinically significant findings that make them unsuitable for participation in this study