| 摘要 |
PURPOSE: To provide a tube for endoscopic treating means which is previously provided with the permanent set of bending in a specified direction previously determined, projects in a prescribed direction at all times from the front end of an endoscope and is surely and easily guided to a target position. CONSTITUTION: The tube 1 is formed of a flexible synthetic resin material and a pair of stay wires 2 are embedded into the wall of the tube 1 in parallel with the axial line in positions approximately symmetrical at 180 deg. across the axial line of the tube 1. |
