An object of the present invention is to provide a blood component separation vessel to accurately separate the blood components. A blood component separation container includes an outer housing 1 to install an opening 11 at the top, was placed inside the outer body, is on the top surface central place with a gathering part, of the gathering section central portion is molded a central sleeve 22 through to the bottom, and shaping the separated portion between the outer housing, the separation portion has a core 2 which connects the gathering section, placed in the opening, and the blood inlet equipped with a tube 31, blood discharge pipe 32 and the hermetic seal unit 33, blood inlet pipe is connected to the central sleeve, blood discharge pipe is connected to the gathering part, hermetic seal unit includes a stator head 3 to be fixed to the opening.FIELD 2【課題】血液成分を正確に分離する血液成分分離容器を提供する。【解決手段】血液成分分離容器は、最上部に開口11を設置する外筐体1と、外筐体内部に設置し、最上面中央箇所には收集部を備え、收集部の中央箇所は底部まで貫通して中央スリーブ22を成形し、且つ外筐体との間に分離部を成形し、分離部は收集部を連接するコア2と、開口内に設置し、且つ血液流入管31、血液排出管32及び密封シールユニット33を備え、血液流入管は中央スリーブに連接し、血液排出管は收集部に連接し、密封シールユニットは開口に固定するステータヘッド3を含む。【選択図】図2