A suturing device of the present invention comprises a long shaft member extending along a longitudinal axis, a pair of pins which are swingably arranged around a swing shaft (10a) orthogonal to the longitudinal axis and are opened and closed mutually And a transfer mechanism (15) for delivering the suture needle (3) between the gripping members (11, 12), wherein the gripping members (11, 12) A fitting hole portion (11a, 12a) provided along the opening and closing direction for detachably fitting the suturing needle (3) and a fitting hole portion (11a, 12a) provided on the front and back surfaces of the object to be sutured in the course of the closing operation of the grasping member And a contact portion (30, 31) that contacts and suppresses movement in a direction along the surface of the sewing object.本発明の縫合器は、長手軸に沿って延びる長軸部材と、該長軸部材の先端に長手軸に直交する揺動軸(10a)回りに揺動可能に配置され相互に開閉させられる一対の把持部材(11,12)と、該把持部材(11,12)の間で縫合針(3)を受け渡すための受け渡し機構(15)とを備え、把持部材(11,12)が、その開閉方向に沿って設けられ縫合針(3)を着脱可能に嵌合させる嵌合孔部(11a,12a)と、把持部材(11,12)の閉動作の途中において縫合対象物の表裏面に接触して該縫合対象物の表面に沿う方向の移動を抑制する接触部(30,31)とを備える。
