PROBLEM TO BE SOLVED: To provide an injection needle for endoscopes and manufacturing process of the injection needle for endoscopes, when defining the length from an extraction/retraction section to a puncture needle to a desired size, capable of reducing press-in workload.SOLUTION: The injection needle for endoscopes includes: an extraction/retraction section (an inner tube grip 60) for operating to extract/retract the puncture needle outside/inside an outer tube 30 an inner tube 20 having the puncture needle and slidably inserted in the outer tube 30 a connecting tube 62 pressed in the inner tube 20 for connecting the extraction/retraction section (the inner cylinder grip 60) to the inner tube 20 and a spacer tube 70 fitted to the periphery of the connecting tube 62, and having one end face 75 coming into contact with the extraction/retraction section (the inner cylinder grip 60) and the other end face 76 coming into contact with an end face 21 of the inner tube 20.COPYRIGHT: (C)2015,JPO&INPIT【課題】進退部から穿刺針までの長さを所望の寸法とするにあたり、圧入作業の負荷軽減を図りうる内視鏡用注射針および内視鏡用注射針の製造方法を提供する。【解決手段】内視鏡用注射針は、外チューブ30の内外に穿刺針を進退操作する進退部(内筒グリップ60)と、穿刺針を有し、外チューブ30の中に摺動可能に挿入されている内チューブ20と、内チューブ20に圧入され、進退部(内筒グリップ60)と内チューブ20とを接続する接続管62と、接続管62の周囲に装着され、一方の端面75が進退部(内筒グリップ60)に接し、他方の端面76が内チューブ20の端面21に接するスペーサーチューブ70と、を備える。【選択図】図3
