PROBLEM TO BE SOLVED: To provide a dilation catheter excellent in pushability and easily passing a lesion or the like.SOLUTION: The dilation catheter 10 includes: a long catheter body 11 having flexibility a dilation body 14 provided in the catheter body, dilatable and retractable or foldable and a reinforcing body 15 mounted to a dilation body arrangement part 122 where the dilation body is arranged in the catheter body and extending from the expansion arrangement part to a proximal end side. The reinforcing body is mounted to the dilation body arrangement part so as not to leave the dilation body arrangement part, and in a freely advancing/retracting manner along the dilation body arrangement part.COPYRIGHT: (C)2013,JPO&INPIT【課題】プッシャビリティに優れ且つ病変部等を通過し易い拡張カテーテルを提供する。【解決手段】拡張カテーテル10は、可撓性を有する長尺なカテーテル本体11と、当該カテーテル本体に設けられた拡張可能で且つ収縮又は折り畳み可能な拡張体14と、カテーテル本体において拡張体が配置された拡張体配置部122に取付けられるとともに拡張体配置部より基端側へと伸びる補強体15と、を有し、補強体は、拡張体配置部から外れないように且つ拡張体配置部に沿って進退可能に拡張体配置部に取付けられている。【選択図】図1
