PROBLEM TO BE SOLVED: To provide a treatment method capable of reducing the risk of ruptured suture by a simple method utilizing predetermined medical equipment.SOLUTION: A treatment method includes the steps of: arranging medical equipment comprising a sheet-like body part for accelerating fusion of biological tissue, between one region-to-be-connected and the other region-to-be-connected of a biological organ serving as a connection object (S11); and connecting the one region-to-be-connected and the other region-to-be-connected together in a state in which at least a part of the body part is sandwiched between the one region-to-be-connected and the other region-to-be-connected (S12).SELECTED DRAWING: Figure 9COPYRIGHT: (C)2019,JPO&INPIT【課題】所定の医療器具を利用した簡便な方法により、縫合不全のリスクを低減させることができる処置方法を提供する。【解決手段】処置方法は、接合対象となる生体器官の一方の被接合部位と他方の被接合部位の間に、生体組織の癒合を促進するシート状の本体部を備える医療器具を配置し(S11)、一方の被接合部位と他方の被接合部位との間に本体部の少なくとも一部を挟み込んだ状態で一方の被接合部位と他方の被接合部位を接合する(S12)、ことを含む。【選択図】図9