PROBLEM TO BE SOLVED: To provide a biosensor measuring instrument which integrally includes a blood sampling auxiliary mechanism using depressurization, thereby raise monitoring simplification and measurement success probability simultaneously.SOLUTION: The biosensor measuring instrument includes: an airtight chamber 47 which is arranged inside a blood collection auxiliary mechanism storage body 45 and communicates with a puncture opening 81 of the blood collection auxiliary mechanism storage body 45, and where a mounting chamber for mounting a biosensor cartridge 43 is airtightly closed by a measuring instrument body a pressure block 49 freely movably arranged in the airtight chamber 47 and pressurizing the biosensor cartridge 43 with energizing force from energizing means 89 a lever 51 freely slidably appearing to the outer part of the blood sampling auxiliary mechanism storage body 45 and displacing the energizing means 89 to an energizing force storage direction a depressurization pump 53 arranged in communication with the airtight chamber 47, moving a piston 69 by the slide of the lever 51, and depressurizing the airtight chamber 47 and a puncture button for releasably restricting the movement of the lever 51 which is moved to the energizing force storage direction.COPYRIGHT: (C)2009,JPO&INPIT【課題】 減圧による採血補助機構を一体に備えたバイオセンサ測定装置を得、モニタリングの簡便性及び測定成功確率の向上を同時に図る。【解決手段】 採血補助機構収納体45内に設けられ採血補助機構収納体45の穿刺開口81と連通するとともにバイオセンサカートリッジ43を装填する装填室が測定装置本体によって気密閉止可能となった気密室47と、前記気密室47に移動自在に設けられ付勢手段89からの付勢力でバイオセンサカートリッジ43を押圧する押圧ブロック49と、前記採血補助機構収納体45の外部にスライド自在となって表出され前記付勢手段89を付勢力蓄積方向へ変位させるレバー51と、前記気密室47に連通して設けられ前記レバー51のスライドにてピストン69を移動させて前記気密室47に負圧を付与する減圧ポンプ53と、付勢力蓄積方向へ移動された前記レバー51を解除可能に移動規制する穿刺ボタンとを設けた。【選択図】 図1
