| 摘要 |
<p>A bending operation device for an endoscope is provided with: cylindrical driving members (18); bending operation knobs (4) that rotates freely with the cylindrical driving members (18); a rotation-stopping member (10) that does not rotate relative to the cylindrical driving members (18); plate-shaped fastening members (11, 12) that move freely to a first position and a second position; friction plates (14) that come into contact with inner peripheral surfaces (4n) of the bending operation knobs (4), and that are sandwiched by the plate-shaped fastening members (11, 12) in the second position; slits (11s, 12s); freely rotating annular members (15) having protruding sections (15t) that penetrate the slits (11s, 12s) and move freely inside the slits (11s, 12s); cam mechanisms that are disposed on the protruding sections (15t), and that move the plate-shaped fastening members (11, 12) from the first position to the second position with the rotation of the annular members (15); and a stationary lever (5) for rotating the annular members (15).</p> |
