In artificial dialysis, the injection, the drop and blood-collecting etc, when the movements pulse detention needle is used, the injection needle and the like the occasion where removal leaving it does, the pressure stopping bleeding effect is not impaired from the stab section, the pressure stopping bleeding cotton and its production method of being possible to improve operating efficiency, are offered. Fibrous ones forming just, being the pressure stopping bleeding cotton and its production method of becoming, as it possesses the surface in order to press specified stopping bleeding place, it designates the portion of the particular surface as even condition or curve condition, at the same time the injection needle or the plastic tube which is annexed to that it has the groove which is engaged for portion of the particular surface.人工透析、注射、点滴、採血などにおいて、動静脈留置針を使用する場合に、注射針等を穿刺部から抜去する際に、圧迫止血効果を損なわず、作業性を向上させることができる圧迫止血綿およびその製造方法を提供する。繊維状物を一体成型してなる圧迫止血綿およびその製造方法であって、所定の止血箇所を圧迫するための表面を有するとともに、当該表面の一部を平坦状または湾曲状とし、かつ当該表面の一部に、注射針またはそれに付随したプラスチック管と係合する溝部を備える。
