It is matched with medical negative pressure equipment for abdominal surgery to attract body fluid and surgical residual fluid.

Artificial ventilation device that directly provides oxygen to patients,improve the organization anoxic state.

It is used for the pipeline connection of anesthesia machine, ventilator interface and oxygen supply mask.

It is placed in the main trunk of the bronchus and can be used for selective inflation or deflation, sputum suction, unilateral lung ventilation, or for bronchoscopy.