| 摘要 |
The present invention relates to a device for tissue removal, comprising: a tube having a predetermined length; an operation unit connected to one side of the tube; a first wire which is positioned inside the tube, and of which one side is connected to the operation unit; a first incision knife which is connected to the other side of the first wire and at least a part of which can be withdrawn to the outside of the tube; a ball positioned outside the tube, and connected to the end of the first incision knife; a second wire which is positioned inside the tube, and of which one side is connected to the operation unit; and a second incision knife which is connected to the other side of the second wire, and can protrude from the ball by penetrating through the first incision knife. The first incision knife can be moved together with the first wire by operation of the operation unit. |
