PROBLEM TO BE SOLVED: To provide a multilayer blood collection tube having extremely low oxygen permeability and is also excellent in other gas barrier properties.SOLUTION: A multilayer blood collection tube has: a multilayer bottomed tube comprising at least three layers of a resin layer comprising polyester (b), an oxygen absorbent layer comprising an oxygen absorbent resin composition, and a resin layer comprising polyester (b) in the stated order, and having an opening and a plug body having a needle puncture part which can be punctured with a blood sampling needle.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】酸素の透過性が極めて低く、その他のガスバリア性にも優れる多層採血管。【解決手段】ポリエステル(b)を含有する樹脂層と、酸素吸収性樹脂組成物を含有する酸素吸収層と、ポリエステル(b)を含有する樹脂層の少なくとも3層をこの順に有し、開口部を有する多層有底管と、採血針を刺通可能な針刺通部を有する栓体と、を備える、多層採血管。【選択図】なし
