PROBLEM TO BE SOLVED: To provide a blood sugar level measuring apparatus which has blood sugar measurement accuracy at a practical level.SOLUTION: A biological information measuring apparatus includes a near infrared light source 110, a light source side optical fiber 120, a detection side optical fiber 140, a near infrared absorption spectrum measuring apparatus 150, and a data analysis device 170. The biological information measuring apparatus 100 further includes an attachment 130 for measurement comprising a contact surface 131 with which a living body is brought into contact, a light source side optical fiber fixing part 132, a detection side optical fiber fixing part 133, and a light guide space 134 for guiding near infrared light from the light source side optical fiber 130 through a gap to a biological information acquisition part and also guiding near infrared light diffused and reflected at the biological information acquisition part through the gap to the detection side optical fiber 140.COPYRIGHT: (C)2013,JPO&INPIT【課題】血糖値の測定精度が実用レベルにある血糖値測定装置を提供する。【解決手段】近赤外光源110と、光源側光ファイバー120と、検出側光ファイバー140と、近赤外吸収スペクトル測定装置150と、データ解析装置170とを備える生体情報測定装置であって、生体を接触させる接触面131と、光源側光ファイバー固定部132と、検出側光ファイバー固定部133と、光源側光ファイバー130からの近赤外光を空隙を介して生体情報取得部位に導光するとともに生体情報取得部位で拡散反射された近赤外光を空隙を介して検出側光ファイバー140に導光するための導光空間134とを有する測定用アタッチメント130をさらに備える生体情報測定装置100。【選択図】図1
