| 摘要 |
PROBLEM TO BE SOLVED: To provide a tracheal tube capable of removing a foreign matter such as a sputum adhered to an inner face even when the tube has a curved shape having a curved part between a distal end part and a base end part.SOLUTION: A tracheal tube inserted into a trachea of a human body comprises: a tube formed in a substantially circular cross section, in which a distal end part and a base end part are connected through a curved part; and a diameter-reduced part provided between an outer face and an inner face of the tube body, in which at least a part of the inner face of the tube body is reduced in diameter.SELECTED DRAWING: Figure 3 |
