| 摘要 |
PROBLEM TO BE SOLVED: To provide a drainage tube for an endoscope assuring locking operation for a long time with no deep insertion in error. SOLUTION: The drainage tube for the endoscope consisting of an elastic tube member 1 having at least a circularly curled portion close to one end has a slant cutout 4 formed on the outer periphery side of the curled portion of the tube member 1, which comes closer to the end side of the tube member 1 as tending inward from the outer face side. |
