PROBLEM TO BE SOLVED: To easily and securely carry out quantitative blood collection of blood S and quantitative mixing of the blood S and agent R.SOLUTION: A quantitative blood collection tool has a blood collection tube body 21 having an opening in its one end, and a lid member 22 having a blood introducing port and a blood flowing path communicating with the blood introducing port and the blood collection tube body 21 the blood collection tube body 21 has a reduced pressure blood collection chamber 21A sucking the blood S from the blood introducing port 221A by reduced pressure sucking action and an agent holding chamber 21B holding the agent R diluting the blood S, and the lid member 22 has a quantitative collection portion 222 collecting a predetermined amount of the blood S from the blood flowing path and introducing the same into the agent holding chamber 21B.COPYRIGHT: (C)2008,JPO&INPIT【課題】血液Sの定量採取及びその血液Sと試薬Rとの定量混合を簡単且つ確実に行うことである。【解決手段】一端に開口を有する採血管本体21と、血液導入口、及びその血液導入口と前記採血管本体21とを連通する血液流路を有する蓋部材22と、を具備し、前記採血管本体21が、減圧吸引作用により前記血液導入口221Aから血液Sを吸引する減圧採血室21A、及び前記血液Sを希釈する試薬Rを収容する試薬収容室21Bを有し、前記蓋部材22が、前記血液流路から所定量の血液Sを採取して、前記試薬収容室21B内に導入する定量採取部222を有するものである。【選択図】図1
