ENDOSCOPE FLEXIBLE TUBE, ADHESIVE FOR ENDOSCOPE, ENDOSCOPE-TYPE MEDICAL INSTRUMENT, AND MANUFACTURING METHODS FOR ENDOSCOPE FLEXIBLE TUBE AND ENDOSCOPE-TYPE MEDICAL INSTRUMENT
PROBLEM TO BE SOLVED: To provide an endoscope flexible tube having high chemical resistance and high peel strength and having excellent repulsive property and flexibility in the flexible tube coated with a resin layer, endoscope-type medical instrument using the flexible tube, adhesive for endoscope satisfying respective types of performances, and manufacturing methods for the endoscope flexible tube and endoscope-type medical instrument.SOLUTION: An endoscope flexible tube 3a includes a cylindrical flexible tube base material 14 having flexibility, and a resin layer 15 for covering the flexible tube base material 14. The resin layer 15 is bonded to the flexible tube base material 14 via an adhesive hardening material 19. The adhesive hardening material 19 includes a polyester urethane resin having a structure with three-dimensional specificity.SELECTED DRAWING: Figure 2【課題】樹脂層を被覆した可撓管について、耐薬品性が高く、かつ剥離強度が高く、更に弾発性及び可撓性に優れる内視鏡用可撓管、これを用いた内視鏡型医療機器、各種性能を満たす内視鏡用接着剤、並びに内視鏡用可撓管及び内視鏡型医療機器の製造方法を提供する。【解決手段】可撓性を有する筒状の可撓管基材１４と、可撓管基材１４を被覆する樹脂層１５とを有する内視鏡用可撓管３ａであって、樹脂層１５が接着剤硬化物１９を介して可撓管基材１４と接着されており、接着剤硬化物１９が、立体的な特異性を持つ構造を有するポリエステルウレタン樹脂を含有する。【選択図】図２
