| 摘要 |
Disclosed is a tracheal tube which enables a user to frequently change a fixing location for fixing a ventilation insertion pipe on tracheal cavity between larynx and lungs. The tracheal tube comprises the following: the ventilation insertion pipe which is inserted into the human body; and a balloon unit which is installed on one end of the ventilation insertion pipe to be expanded and contracted by the pressure of air supplied from the outside, and seals a space between the ventilation insertion pipe and the inside of the body when the balloon unit is expanded. The balloon unit includes multiple balloons which separately expand and contract. |
