To provide a medical tube component enabling smoothly inserting a linear medical appliance such as a puncture needle into the inner cavity.SOLUTION: A medical tube component includes: a tube 21 having a distal end and a proximal end a hub 22 to which the proximal end part of the tube 21 is connected and fixed and a pin member 23 having a roughly cylindrical straight piping section inserted into the inner cavity of the tube 21 in a state of expanding the proximal end part of the tube 21 from the inside. The hub 22 includes: an exterior part (cylindrical part)22a tightly provided so as to cover the outside of a part in which the pin member 23 of the tube 21 is inserted and an introduction hole 22d whose distal end is communicated with an inner cavity 21a of the tube 21, and in which an inner diameter D1 of the distal end is smaller than an outer diameter of the proximal end of the pin member 23, and the proximal end is opened to the outer part.SELECTED DRAWING: Figure 2B【課題】穿刺針等の線状の医療器具をその内腔に円滑に挿入し得る医療用チューブ部品を提供すること。【解決手段】遠位端および近位端を有するチューブ21と、チューブ21の近位端部が接続固定されたハブ22と、チューブ21の近位端部を内側から拡張した状態でチューブ21の内腔に内挿された略円筒状の直管部を有するピン部材23とを備えている。ハブ22は、チューブ21のピン部材23が内挿された部分の外側を含んで覆うように密着して設けられた外装部(円筒部)22aと、その遠位端がチューブ21の内腔21aに連通するとともに、該遠位端の内径D1がピン部材23の近位端の外径よりも小さく、その近位端が外部に開口する導入孔22dとを有する。【選択図】図2B
