PROBLEM TO BE SOLVED: To provide a catheter tube manufacturing method capable of more efficiently coating a hydrophilic material while continuously manufacturing a plurality of catheter tubes using the same core wire, and also to provide a continuous body of catheter tubes.SOLUTION: A catheter tube manufacturing method comprises: an internal coat layer body forming step of forming an internal coat layer body 51 by applying a coat of a resign onto a core wire 40 a hydrophilic coat body forming step, following the internal coat layer body forming step, of forming a hydrophilic coat body 54 by applying a coat of a hydrophilic material radially outward of the internal coat layer body 51 a cutting step, following the hydrophilic coat body forming step, of cutting at predetermined positions a tubular continuous body 60 obtained by forming the internal coat layer body 51 and the hydrophilic coat body 54 on 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】複数のカテーテル用チューブを同一の芯線を用いて連続的に製造しつつ、効率よく親水性材料を被覆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】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、内層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親水性材料を被覆して親水性被覆体54を形成する親水性被覆体形成工程と、親水性被覆体形成工程よりも後に芯線40上に内層被覆体51および親水性被覆体54を備えて得られる管状連続体60を、所定の位置で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、を有する製造方法である。【選択図】図3