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1. 发明申请

US20060047264A1 Endoscope flexible tube and method of manufacturing the tube 审中-公开
标题翻译：内窥镜柔性管及其制造方法
公开(公告)号：US20060047264A1
公开(公告)日：2006-03-02
申请号：US10536335
申请日：2003-12-02
申请人： Atsushi Utsumi , Tsunenori Arai , Hiroshi Nagata , Hunihiko Miyagi
发明人： Atsushi Utsumi , Tsunenori Arai , Hiroshi Nagata , Hunihiko Miyagi
IPC分类号： A61M25/00
CPC分类号： A61B1/0055
摘要： A fluororesin tube body (10) of an endoscope flexible tube (1) is small in diameter and thin in wall thickness to such a degree that it is difficult to maintain its cross-sectional shape by itself when the flexible tube (1) is bent to the limit. A braid (20) woven from a plurality of flat bands (21) to form a tubular shape is disposed around the tube body (10). The mesh openings of the braid (20) are filled with filling adhesive (30), which bonds the tube body (10) and the braid (20) together. The filling adhesive (30) has enough elasticity to allow deformation of the braid (20) during the bending operation and enough adhesive strength to maintain the bond between the tube body (10) and the braid (20) even when the filling adhesive (30) is elastically deformed. Consequently, the braid (20) restricts the cross-sectional deformation of the tube body (10). Thus, the limit curvature of the flexible tube (1) can be increased.
摘要翻译：内窥镜柔性管（1）的氟树脂管体（10）的直径小，壁厚薄，难以在柔性管（1）弯曲时自身保持截面形状到极限从管体（10）的周围配置由多个平带（21）编织而形成管状的编织物（20）。编织物（20）的网眼开口填充有将管体（10）和编织物（20）结合在一起的填充粘合剂（30）。填充粘合剂（30）具有足够的弹性，以允许在弯曲操作期间编织物（20）的变形和足够的粘合强度，以便即使在填充粘合剂（30）的情况下也保持管体（10）和编织物（20）之间的结合）弹性变形。因此，编织物（20）限制管体（10）的横截面变形。因此，可以增加柔性管（1）的极限曲率。

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