| 摘要 |
The present invention is directed to a plug for insertion into a distal end of a ligating unit including an aspiration cylinder coupled to a distal end of an endoscope. The plug comprises a mounting portion sized to fit within an opening formed in a distal end of the aspiration cylinder and a protruding portion extending away from the mounting portion to project distally from the aspiration cylinder when the insertion plug is mounted in the aspiration cylinder. |
