·  Medical grade silicone raw material with good biocompatibility

· Tight fitting of the hood enhances product safety

· Fence design to prevent foreign objects from flowing back and blocking the passage

· After inflating the cuff, the force is balanced, and the connection between the cuff and the tube body transitions smoothly without obvious unevenness, reducing body damage

· The independent drainage hole at the top of the capsule facilitates various drainage operations and effectively isolates the airway and esophagus

· The scale markings on the tube body control the depth of intubation

· The special material of the scale marking component prevents tooth occlusion caused by excessive force