PROBLEM TO BE SOLVED: To provide a catheter tube manufacturing method which allows flexibility of catheter tubes to be configured efficiently while using a core wire which is continuously formed in predetermined shapes, and also to provide a continuous body of catheter tubes.SOLUTION: A catheter tube manufacturing method for a catheter tube 10 comprises: an internal coat layer body forming step of forming an internal coat layer body 51 by applying a coat of a resin onto a core wire 40 which has a large diameter part 41 and a small diameter part 42 of different external diameters continuously formed at a predetermined interval a reinforcement body forming step, following the internal coat layer body forming step, of forming a wire made-reinforcement body 52 radially outward of the internal coat layer body 51 a reinforcement body removing step, following the reinforcement body forming step, of partially removing the reinforcement body 52 at a predetermined interval a cutting step of cutting, together with the core wire 40, a tubular continuous body 60 obtained on the core wire 40, at a predetermined position of the large diameter part 41 and small diameter part 42 of the core wire 40, into a plurality of discrete tubes 61 and a core wire removing step of removing the core wire 40 from the discrete tubes 61.COPYRIGHT: (C)2014,JPO&INPIT【課題】所定の形状が連続してなる芯線を用いつつ、カテーテル用チューブの柔軟性を効率よく設定可能なカテーテル用チューブの製造方法およびカテーテル用チューブの連続体を提供する。【解決手段】外径の異なる太径部41および細径部42が予め所定の間隔で連続して形成された芯線40上に樹脂を被覆して内層被覆体51を形成する内層被覆体形成工程と、被覆体形成工程よりも後に、内層被覆体51よりも径方向外側に線材からなる補強体52を形成する補強体形成工程と、補強体形成工程よりも後に補強体52の一部を所定の間隔で除去する補強体除去工程と、芯線40上に得られる管状連続体60を、芯線40の太径部41および細径部42の所定の位置で芯線40とともに切断して複数の単体チューブ61を切り出す切断工程と、単体チューブ61から芯線40を除去する芯線除去工程と、を有するカテーテル用チューブ10の製造方法である。【選択図】図3
