Portable Suction Unit Infi (Machine) – Designed based on the development orientation of similar products at home and abroad. Portable suction is a new generation oil-free lubrication aspiration device. It is suitable for use by patients who have difficulty in sputum removal. For ingestion of fluids such as pus and blood during illness, coma, operation, as well as clinical practice. It is a medical device commonly used for nursing in emergency room, operating room, sickroom and home health care.