| 摘要 |
<p>To provide an endoscopic treatment tool that enables a technique such as tissue excision to be carried out more easily. The present invention relates to a flex-knife that enables a technique such as tissue excision to be carried out more easily, and is provided with: a rod-shaped high frequency knife (2) which is endoscopically inserted into a body cavity and is for performing cutting procedures; a wire (3), the high frequency knife (2) connected to the front end thereof; a sheath (4) consisting of an insulating material, into which the wire (3) is inserted; a main body, the back end of the sheath (4) being connected thereto; and a slider to which the back end of the wire (3) is fixed and which is disposed to the main body to enable sliding in the axial direction; wherein the high frequency knife (2) has a large diameter part (6) at its distal end, the large diameter part having an outer diameter that is larger than the inner diameter of the sheath (4).</p> |
