JP7232873B2 - 測光干渉判定 - Google Patents
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Description
Claims (15)
- 生物学的供給源から抽出可能な試料の測光体外診断分析に対する干渉のレベルを判定する方法であって、
試料/試薬混合物を得るために少なくとも1つの試薬によって試料のアリコートを処理し、体外診断分析の結果を得るために前記試料/試薬混合物を測光測定にかけ、同じ測光測定中に、同じ試料/試薬混合物中の1つまたは複数の干渉物質を半定量的に判定することによって干渉の予備レベルを判定することと、
事前決定された閾値を上回る干渉の予備レベルを判定したときのみ、前記1つまたは複数の干渉物質を定量的に判定することによって干渉の実効レベルを判定するために、不希釈または試薬以外の不活性液で希釈された同じ試料の別のアリコートの別個の測光測定をトリガすることとを含む、方法。 - 前記1つまたは複数の干渉物質は、ヘモグロビン、ビリルビン、脂質物質のうちのいずれか1つまたは複数の物質である、請求項1に記載の方法。
- 試料および/または試薬および/または分析固有特性に基づいて、各体外診断分析に対する方法適用可能性および/または方法適用可能性の尺度を事前決定することを含む、請求項2に記載の方法。
- 試料対試薬量比および/または1つもしくは複数の試薬の種類および/または試料の種類および/または1つもしくは複数の使用光波長に基づいて、各体外診断分析に対する方法適用可能性および/または方法適用可能性の尺度を事前決定することを含む、請求項3に記載の方法。
- 前記方法適用可能性は、少なくとも所定の最大試料対試薬量比までは、前記試料対試薬量比に比例し、前記試料対試薬量比が高いほど前記方法適用可能性が高い、請求項4に記載の方法。
- 分析固有であり、前記方法が適用可能な前記体外診断分析のみのための、干渉の前記予備レベルの閾値を事前決定することを含む、請求項3から5のいずれか一項に記載の方法。
- 同じ試料のために複数の異なる体外診断分析が計画されているか否かを判定し、肯定の場合には、前記方法適用可能性の尺度に従って最高から最低の順に、または分析固有閾値に従って最高から最低の順に、計画されている前記体外診断分析に優先順位を付けることを含む、請求項3から6のいずれか一項に記載の方法。
- 同じ試料からの計画されている分析の事前決定された前記分析固有閾値のうちの少なくとも1つを上回る干渉の予備レベルが判定された場合、前記方法は、少なくとも干渉の前記実効レベルがそれぞれの事前決定された閾値未満であると判定されない限り、前記分析固有閾値を超える少なくとも1つまたは複数の前記体外診断分析のさらなる実行を防ぐことを含む、請求項7に記載の方法。
- 干渉の前記予備レベルが前記事前決定された閾値未満である限り、または干渉の前記予備レベルが前記事前決定された閾値を上回る場合に干渉の前記実効レベルがそれぞれの事前決定された閾値未満であると判定した後でのみ、体外診断分析の前記結果を出力し、それ以外の場合は、前記体外診断分析の前記結果にフラグを立てることを含む、請求項1から8のいずれか一項に記載の方法。
- 前記測光体外診断分析は、比濁、比朧、比色分析のうちのいずれかである、請求項1から9のいずれか一項に記載の方法。
- 前記測光体外診断分析は、凝固分析もしくは臨床化学分析または両者の組み合わせである、請求項10に記載の方法。
- 干渉の前記予備レベルを判定することは、前記体外診断分析で使用される1つもしくは複数の光波長と同じ光波長を使用することを含むか、または、それより多くの光波長が利用可能な場合には、それらの利用可能な光波長のうちのいずれか最適な1つもしくは複数の波長を選択することを含む、請求項1から11のいずれか一項に記載の方法。
- 干渉の前記予備レベルを判定することは、体外診断分析時に得られる測光測定値を試料/試薬混合物形成または反応の開始の初期時点まで外挿することを含む、請求項1から12のいずれか一項に記載の方法。
- 体外診断分析器(100)であって、試料ユニット(10)と、試薬ユニット(20)と、試料/試薬混合物または試料/液体混合物の、試料(S1からS4)の前記測光測定のための検出ユニット(30)と、請求項1から13のいずれか一項に記載の方法に関連する動作を行うための命令を備えたコンピュータ可読プログラムを実行するコントローラ(40)とを含む、体外診断分析器(100)。
- 分析器(100)は凝固分析器もしくは臨床化学分析器または両者の組み合わせである、請求項14に記載の体外診断分析器(100)。
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EP20184038.6A EP3933409A1 (en) | 2020-07-03 | 2020-07-03 | Photometric interference determination |
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JP2007263907A (ja) | 2006-03-30 | 2007-10-11 | Sysmex Corp | 血液凝固時間測定装置 |
WO2017033562A1 (ja) | 2015-08-26 | 2017-03-02 | 株式会社日立ハイテクノロジーズ | 自動分析装置、自動分析システム及び自動分析方法 |
CN110609002A (zh) | 2018-12-29 | 2019-12-24 | 深圳迈瑞生物医疗电子股份有限公司 | 一种干扰检测方法及样本分析仪 |
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DE2847176C2 (de) * | 1977-10-31 | 1982-05-06 | Hitachi, Ltd., Tokyo | Verfahren zur photometrischen Bestimmung von Substanzen im Blutserum |
JPS5759151A (en) * | 1980-09-26 | 1982-04-09 | Olympus Optical Co Ltd | Measuring method for degree of chyle, jaundice and hemolysis in serum |
JPS5888663A (ja) * | 1981-11-24 | 1983-05-26 | Toshiba Corp | 自動化学分析装置 |
JPH0450655A (ja) * | 1990-06-12 | 1992-02-19 | Jeol Ltd | 生化学自動分析装置 |
JPH0526882A (ja) * | 1991-07-16 | 1993-02-02 | Hitachi Ltd | 多項目同時処理自動分析装置及びその分析処理方法 |
DE4427492A1 (de) * | 1994-08-03 | 1996-02-08 | Boehringer Mannheim Gmbh | Verfahren zur Analyse einer medizinischen Probe unter Vermeidung von Störbeiträgen aufgrund von Hämolyse |
US20060275906A1 (en) * | 2005-06-03 | 2006-12-07 | Devlin William J Sr | Method for ascertaining interferents in small liquid samples in an automated clinical analyzer |
WO2017132169A1 (en) * | 2016-01-28 | 2017-08-03 | Siemens Healthcare Diagnostics Inc. | Methods and apparatus for detecting an interferent in a specimen |
EP3432314A1 (en) | 2017-07-17 | 2019-01-23 | F. Hoffmann-La Roche AG | Techniques for determining coagulation results |
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JP2007263907A (ja) | 2006-03-30 | 2007-10-11 | Sysmex Corp | 血液凝固時間測定装置 |
WO2017033562A1 (ja) | 2015-08-26 | 2017-03-02 | 株式会社日立ハイテクノロジーズ | 自動分析装置、自動分析システム及び自動分析方法 |
CN110609002A (zh) | 2018-12-29 | 2019-12-24 | 深圳迈瑞生物医疗电子股份有限公司 | 一种干扰检测方法及样本分析仪 |
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