To provide a surgical suction tool capable of reliably sucking blood, even if the periphery of a suction tube is covered with a surrounding tissue.SOLUTION: A suction tube 3 is inserted into an opening 41 of an auxiliary member 4, and the outer peripheral surface of the suction tube 3 is held by an inner peripheral surface part 43 of the auxiliary member 4. The auxiliary member 4 is slidable along the longitudinal direction of the suction tube 3, and a vent hole 45 is formed by a notch 44 between the suction tube 3 and the inner peripheral surface portion 43 of the auxiliary member 4.SELECTED DRAWING: Figure 1【課題】吸引チューブの周囲が付近の組織に覆われる状態であっても、血液などを確実に吸引することができる手術用吸引具を提供すること。【解決手段】補助部材４の開口部４１内に吸引チューブ３が挿入されて、補助部材４の内周面部４３によって吸引チューブ３の外周面が保持されているとともに、補助部材４は吸引チューブ３の長手方向に沿ってスライド自在であり、吸引チューブ３と補助部材４の内周面部４３の間には、切欠け部４４による通気口４５が形成されている。【選択図】図１
