| 摘要 |
<p>This endoscope comprises an insertion part provided with a bendable part, an operation part connected to the insertion part, a first bending operation part that is provided to the operation part and causes the bendable part to bend in a first direction, a second bending operation part that is detachably superposed on the first bending operation part and causes the bendable part to bend in a second direction different from the first direction, and a third bending operation part that is selectively interchangeable with the second bending operation part, can be detachably superposed on the first bending operation part, and causes the bendable part to bend in the second direction.</p> |
