To provide a suturing device that can suture body tissue in a short time.SOLUTION: A suturing device is inserted into a body and used. The suturing device comprises a front side arm 51 to which a suture is fitted, a rear side arm including a needle-like member, arm moving means (a wire and a tube) for moving the front side arm 51 and the rear side arm closer to or away from each other, and front side arm connecting means (a fitting hole 51e, a stepped surface 51f, a plate spring member 53e, a guide shaft 53a, etc.) for detachably connecting the front side arm 51 to the arm moving means.SELECTED DRAWING: Figure 5G【課題】体内組織の縫合を短時間で行い得る縫合装置を提供すること。【解決手段】体内に挿入されて使用される縫合装置である。縫合糸が装着される前側アーム51と、針状部材を有する後側アームと、前側アーム51と後側アームとを接近離間させるアーム移動手段(ワイヤ、チューブ)と、前側アーム51をアーム移動手段に着脱可能に連結する前側アーム連結手段(嵌合穴51e、段差面51f、板バネ部材53e、ガイドシャフト53a等)と、を有する。【選択図】図5G
