PROBLEM TO BE SOLVED: To provide a biosensor integrated with a puncture device facilitating the manufacture by forming the biosensor in an extremely simple structure while retaining sufficient strength capable of withstanding an impact by puncture performed by a user himself/herself, and capable of reliably measuring a small amount of sample solution by minimizing the biosensor as a whole.SOLUTION: The biosensor integrated with the puncture device uses a puncture needle formed with at least two electrodes on the inner wall of the hollow needle with a hole section. The biosensor is manufactured by forming a thin film of electric insulation on the surface of a metal flat plate that serves as the inner wall of the hollow needle, and disposing at least two conductive materials on the surface so as to be parallel to the longitudinal axis direction of the hollow needle, and afterward by forming a hollow tubular structure from the metal flat plate with the electrodes located inside thereof, and cutting it into a needle shape.COPYRIGHT: (C)2010,JPO&INPIT【課題】使用者自らが行なう穿刺による衝撃にも充分に耐えうる強度を保持しつつ、極めて単純な構造により形成することで、作製が容易であり、また全体として微小化することで少量の試料液でも確実に測定を行うことを可能とする穿刺器具一体型バイオセンサーを提供する。【解決手段】中空針の内壁となる金属平板表面に電気絶縁性の薄膜を設け、さらにその表面に、中空針の長軸方向に平行となるように少なくとも2本の導電性材料を配置した後、該金属平板を電極を内側にして中空の筒状構造物を形成させ、針状に切り出すことにより、孔部を有する中空針の内壁に少なくとも2電極を形成せしめた穿刺針が用いられた穿刺器具一体型バイオセンサーを製造する。【選択図】図1
