| 摘要 |
An endoscope cleaning tube according to the invention includes a housing portion equipped with a fluid introduction port and a fluid lead-out port; a hook portion adapted to connect the housing portion to a pipe sleeve; a movable portion adapted to divide an inner part of the housing portion into a side of the fluid introduction port and a side of the fluid lead-out port and placed movably between a first position and a second position in the housing portion, the second position being located closer to the side of the fluid lead-out port than the first position; a pressure-receiving portion which, being equipped with a pressure-receiving surface placed at a position facing the fluid introduction port and adapted to receive pressure of the fluid, is adapted to pivot according to fluid pressure on the pressure-receiving surface; and a linking portion adapted to connect the movable portion and the pressure-receiving portion with each other and move the movable portion from the second position to the first position along with pivoting of the pressure-receiving portion when the pressure-receiving portion receives the fluid pressure. |
