PROBLEM TO BE SOLVED: To provide a trocar spacer in which, slight shifting does not occur on a tip of a surgical tool, when the surgical tool is inserted into an endoscopic surgery port in endoscopic surgery, which does not affect working ability of surgery, and which is used in endoscopic surgery.SOLUTION: A trocar spacer 10 for holding a surgical tool inserted into an endoscopic surgery port, comprises: an elastic member 12 which contacts an inner peripheral face of an endoscopic surgery port, and an outer peripheral face of a surgical tool. The trocar spacer further comprises a cylindrical-shape trocar spacer body 11 in which the elastic member is attached to a tip end thereof, and the trocar spacer body comprises a penetration hole 16 penetrating in an axial direction.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】鏡視下手術において、鏡視下手術ポートに手術具を挿入した際に、手術具の先端にブレが生じず且つ、手術の作業性に影響を与えない鏡視下手術に用いられるトロッカースペーサを提供する。【解決手段】鏡視下手術ポートに挿入される手術具を保持するトロッカースペーサ10であって、鏡視下手術ポートの内周面と、手術具の外周面と当接する弾性部材12を備える。弾性部材を先端に取り付けた円筒状のトロッカースペーサ本体11を備え、トロッカースペーサ本体は、軸方向に貫通する貫通孔16を備える【選択図】図2