A medical-use bidirectional suture device comprising a first needle member (6) having a leading end oriented to the distal side and movable in a proximodistal direction, a second needle member (7) disposed more to the distal side than the first needle member (6) is, having a leading end oriented to the proximal side, and movable in the proximodistal direction, a first thread control member (8) having a first holding section (10) movable in a direction that is different from the proximodistal direction, and a second thread control member (9) having a second holding section (11) movable in the direction that is different from the proximodistal direction, wherein the second holding section (11) is positioned more to the distal side than the first holding section (10) is, the first holding section (10) is movable between a position of hindrance and a position of non-hindrance to the movement of the first needle member (6), and the second holding section (11) is movable between a position of hindrance and a position of non-hindrance to the movement of the second needle member (7).L'invention concerne un dispositif de suture bidirectionnelle à usage médical comprenant un premier élément aiguille (6) ayant une extrémité avant orientée vers le côté distal et mobile dans une direction proximodistale, un second élément aiguille (7) disposé plus près du côté distal que le premier élément aiguille (6), ayant une extrémité avant orientée vers le côté proximal, et mobile dans la direction proximodistale, un premier élément commande de fil (8) ayant une première section de maintien (10) mobile dans une direction qui est différente de la direction proximodistale, et un second élément commande de fil (9) ayant une seconde section de maintien (11) mobile dans la direction qui est différente de la direction proximodistale, la seconde section de maintien (11) étant positionnée plus près du côté distal que la première section de maintien (10), la première section de maintien (10) étant
