| 摘要 |
<p>The purpose of the present invention is to provide a flexible tube for an endoscope, the flexible tube being configured by forming flexible tube sections, which consist of different types of materials, into a single part without providing a connection transition section. As a result of the configuration, the flexible tube for an endoscope has a small diameter, improved durability, and increased easiness of assembly. In order to obtain the above-mentioned flexible tube for an endoscope, the flexible tube is formed by interconnecting at least three or more flexible tube sections which are: a distal-most flexible tube section; a proximal-most flexible tube section; and an intermediate flexible tube section disposed between the distal-most flexible tube section and the proximal-most flexible tube section. The connection portion between the distal-most flexible tube section and the intermediate flexible tube section is formed by a resin changing section, and the proximal-most flexible tube section is formed to have a greater wall thickness than the remaining flexible tube sections other than the proximal-most flexible tube section.</p> |
