Problem to be solved: to provide an intraocular lens insertion device capable of injecting the intraocular lens appropriately.An intraocular lens insertion deviceA path 20b including a tapered shape portion in which the space through which the intraocular lens passes is narrowed toward the tip to fold the intraocular lensA protrusion 46 provided in the tapered shape portion；Protruding toward the passageIn the passage, the support part is placed in contact with the support part located on the tip side of the optical part, and the support is deformed.At least part of the tip of the supportIn the optical axis, the end face in the optical axis direction, than the second surface formed on the opposite side of the first surface in contact with the surface forming the passageA projection to be positioned at the opposite side to the side where the first surface is disposed.Diagram【課題】眼内レンズを好適に変形して射出できる眼内レンズ挿入器具を提供する。【解決手段】眼内レンズ挿入器具は、眼内レンズを折り畳むために先端に向かうに従って眼内レンズが通過する空間が狭くなる先細り形状部を含む通路２０ｂと、先細り形状部に設けられる突出部４６であって、通路内に向かって突出し、通路内にて光学部よりも先端側に配置される支持部に接触して支持部を変形させることにより、支持部の先端部分の少なくとも一部を、光学部における光軸方向の端面であって通路を形成する面と接触する第１面の反対側に形成される第２面よりも、第１面が配置される側とは反対側の位置に配置させる突出部と、を有する。【選択図】図５
