| 摘要 |
<p>The present invention relates to an endoscope capable of obtaining high insertion properties by changing the outer diameter of a flexible part to improve the insertion properties into large intestine. In the endoscope including an insertion unit with the flexible part, a slim part with the same outer diameter as the flexible part, a large diameter part with a larger outer diameter than the outer diameter of the slim part, and a taper part on which the slim part and the large diameter part are continuously installed are formed on the flexible part. At least part of the taper part is arranged 70cm ahead from the end of the endoscope.</p> |
