| 摘要 |
The present invention relates to a control device for an endoscopic treatment tool. The control device can change the extruded length of a hollow needle which is extruded from the tip of an insertion tube and is inserted into the body in two stages to be used according to the types of the treatment executed by doctors or the needs regarding the treatment executed by doctors. The control device enables the hollow needle to be extruded from the front end of the insertion tube while being coupled to the insertion tube having a built-in liquid delivery tube. The control device includes: a body tube which has a through pin hole on the front and rear side of the inside as well as an operation hole and includes a shaft tube unit formed on the outer periphery of the front side to enable the rear end of the insertion tube to be inserted and fixed; an operating member which is inserted into the body tube to move back and forth and has an operating hollow pin having the front end connected to the liquid delivery tube as well as a control hollow pipe on the rear side; a three-step location adjusting means which is arranged between the body tube and the operating member to engage the movement location of the operating member in three stages to adjust the location of the hollow pin in three stages. |
