The phase which produces the suture thread preform which in detail, the raw material of the suture thread for operation, heating compression (HEAT press) solid phase formation (soldphase forming method) does the outflow type die (overflow mould) of making use this invention, in regard to the medical application suture thread and its production manner which possess muricate on the surface, on the surface of the suture thread muricate (micro cog) is formed Vacuum when temperature condition of specification has been maintained impressing with pulling power and torque in the above-mentioned suture thread preform including heat, the phase which produces the suture thread where twisting is maintained It regards the medical application suture thread which is produced by the production manner and this production manner of the medical application suture thread which possesses muricate on the surface of the suture thread which is included.< Choice figure >Drawing 2本発明は、表面に微細突起を有する医療用縫合糸及びその製造方法に関し、より詳細には、手術用縫合糸の原材料を、流出式金型(overflow mould)を利用して加熱圧縮(heat press)固相成形(sold-phase forming method)し、縫合糸の表面に微細突起(micro cog)が形成されている縫合糸プリフォームを製造する段階と;特定の温度条件が維持されている真空状態で熱を加えて上記縫合糸プリフォームに引張力と回転力とを印加して縒りが維持されている縫合糸を製造する段階と;を含む縫合糸の表面に微細突起を有する医療用縫合糸の製造方法と、この製造方法によって製造された医療用縫合糸に関する。【選択図】図2
