JP5115669B2 - 液体試料測定方法および装置 - Google Patents
液体試料測定方法および装置 Download PDFInfo
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Description
(実施の形態1)
以下に、本発明の実施の形態1によるバイオセンサ測定システムについて説明する。ここでは、検体として血液を用いた。
(実施の形態2)
以下、本発明の実施の形態2によるバイオセンサ測定システムについて説明する。
(実施の形態3)
以下、本発明の実施の形態3によるバイオセンサ測定システムについて説明する。ここでは、検体として血液を用い血液中の特定成分としてグルコース濃度と乳酸濃度を一つのセンサ中で同時に測定を行う場合について述べる。
21 測定装置
22 表示部
23 支持部
30 バイオセンサ
30a 試料点着部
31 カバー
32 空気孔
33 スペーサ
34 試料供給路
35 試薬層
36 絶縁性基板
37 作用極
38 検知極
39 対極
100a,100b バイオセンサ測定システム
110a,110b 測定装置
112,113,114,123,124,125,126,127 コネクタ
115 切替回路
116 電流/電圧変換回路
117 A/D変換回路
118 CPU
119 基準電圧源
120 温度センサー
121 RAM
122 タイマー
700 バイオセンサ
700a 試料点着部
701 カバー
702 空気孔
703 スペーサ
704 試料供給路
705 乳酸測定用試薬層
706 グルコース測定用試薬層
707 乳酸測定用作用極
708 グルコース測定用作用極
709 検知極
710 グルコース測定用対極
711 乳酸測定用対極
712 絶縁性基板
Claims (7)
- 種類の異なる、複数のバイオセンサのいずれか一つを測定装置に装着し次に、前記バイオセンサの試料点着部に液体試料を点着することで、この液体試料が試料供給路を介して試薬層に供給された状態において、試薬層の作用極と対極間の電流変化値により、前記バイオセンサに点着された液体試料中の特定成分の濃度を測定する液体試料測定方法において、
前記バイオセンサを上記測定装置に装着した状態をスイッチにより判別し、このスイッチによるバイオセンサの装着検出時から、前記作用極と対極間の電流変化を電流/電圧変換回路によって検出することで、前記試薬層への液体試料の到達を検出し、前記バイオセンサの装着検出時から、前記試薬層への液体試料の検出までの時間を計測し、この計測時間と、測定の環境の温度とを計測し、
前記バイオセンサを前記測定装置に装着してから前記試薬層への液体試料の検出までの計測時間に基づいて、前記計測した環境温度を補正し、
前記補正した環境温度に基づいて、上記バイオセンサに点着された液体試料中の特定成分の濃度の測定結果に対し、測定値の補正を行う、ことを特徴とする液体試料測定方法。 - 請求項1に記載の液体試料測定方法において、
前記バイオセンサに点着された液体試料の種類に応じて、前記測定結果に対する測定値の補正の補正量を決定する、ことを特徴とする液体試料測定方法。 - 種類の異なる、複数のバイオセンサのいずれか一つを装着し、前記バイオセンサに点着された液体試料中の特定成分の濃度を測定する
液体試料測定装置において、
前記バイオセンサを装着してから試薬層への液体試料の検出までの時間を計測する時間計測手段と、
前記時間計測手段により計測された時間に基づいて、前記バイオセンサに点着された液体試料中の特定成分の濃度の測定結果の測定値を補正する測定結果補正手段と、を備えた、ことを特徴とする液体試料測定装置。 - 種類の異なる、複数のバイオセンサのいずれか一つを装着し、前記バイオセンサに点着された液体試料中の特定成分の濃度を測定する液体試料測定装置において、
前記バイオセンサを装着してから試薬層への液体試料の検出までの時間を計測する時間計測手段と、
測定の環境の温度を測定する温度センサーと、
前記時間計測手段によって計測した時間に基づいて、前記温度センサーにより計測した前記環境温度を補正する温度補正手段と、
前記補正した環境温度に基づいて、前記バイオセンサに点着された液体試料中の特定成分の濃度の測定結果に対し、測定値の補正を行う測定結果補正手段と、を備えた、ことを特徴とする液体試料測定装置。 - 請求項4に記載の液体試料測定装置において、
前記測定結果補正手段は、前記時間計測手段により計測された時間に応じて、前記バイオセンサに点着された液体試料中の特定成分の濃度の測定結果に対する測定値の補正の補正量を変化させる、ことを特徴とする液体試料測定装置。 - 請求項4に記載の液体試料測定装置において、
前記測定結果補正手段は、前記バイオセンサに点着された液体試料中の特定成分の濃度の測定結果に応じて、前記測定結果に対する測定値の補正の補正量を決定する、ことを特徴とする液体試料測定装置。 - 請求項4に記載の液体試料測定装置において、
前記種類の異なるバイオセンサは、グルコース濃度と乳酸値濃度、グルコースとコレステロール、グルコースとトリグリセリド、グルコースとヘモグロビンA1c、グルコースとケトン体、グルコースとヘマトクリット、乳酸と尿酸、尿酸とビリルビン、のいずれか一つの組合わせを測定することを特徴とする液体試料測定装置。
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WO2008004565A1 (fr) | 2008-01-10 |
KR101040860B1 (ko) | 2011-06-14 |
US8287718B2 (en) | 2012-10-16 |
US20120103806A1 (en) | 2012-05-03 |
EP2040065A4 (en) | 2012-05-23 |
EP2040065B1 (en) | 2015-12-30 |
US20090236237A1 (en) | 2009-09-24 |
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CA2656952C (en) | 2014-09-23 |
CA2656952A1 (en) | 2008-01-10 |
JP5018777B2 (ja) | 2012-09-05 |
US8287704B2 (en) | 2012-10-16 |
CN101495855A (zh) | 2009-07-29 |
KR20090033261A (ko) | 2009-04-01 |
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JP2012159519A (ja) | 2012-08-23 |
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