A Clinical Trial to Verify the Efficacy and Safety of Electric Phlegm Suction System

Subjects who have passed the screening test will receive the test device (LMECA.A1000) within a minimum of 3 days and a maximum of 14 days. Efficacy and safety are checked through bronchoscopy before application for clinical trials and 72 hours after application.

Subjects who have passed the screening test will receive a manual phlegm suction system procedure using a catheter by professional medical staff within a minimum of 3 days and a maximum of 14 days. Efficacy and safety are checked through a bronchoscopy before application to clinical trials and 72 hours after application.