| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible tube for an endoscope, which is lightweight, having a stable performance capability. SOLUTION: An endoscope flexible tube 26 comprises a tube body 32a and an external film 36 covering the tube body 32a outside. The tube body 32a is made of a prepreg material containing a bunch of carbon fiber for example, provided with a large number of holes 40a in the wall. COPYRIGHT: (C)2006,JPO&NCIPI
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