JPH08504953A - 適切な電極の接続を検出し、サンプル片及びチェック片を区別するバイオセンシングメータ - Google Patents
適切な電極の接続を検出し、サンプル片及びチェック片を区別するバイオセンシングメータInfo
- Publication number
- JPH08504953A JPH08504953A JP6523614A JP52361494A JPH08504953A JP H08504953 A JPH08504953 A JP H08504953A JP 6523614 A JP6523614 A JP 6523614A JP 52361494 A JP52361494 A JP 52361494A JP H08504953 A JPH08504953 A JP H08504953A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
- G01N27/3273—Devices therefor, e.g. test element readers, circuitry
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.検体反応物質により橋絡され電気的に分離された励起電極及び検知電極を含 むサンプル片を受取るバイオセンシング・メータであって、 サンプル片が前記バイオセンシング・メータに挿入されたときに前記検知電極 によって電気的に接続されるように配置された第1及び第2の接点と、 前記第1の接点に接続された一つの入力、基準電位に接続された第2の入力を 有し、前記一つの入力が前記基準電位を示す演算増幅手段と、 前記第2の接点に接続され、前記検知電極が前記第1及び第2の接点を接続さ せることを示しているものとして前記第2の接点に前記基準電位が存在すること を判別する理手段とから成ることを特徴とする前記バイオセンシング・メータ。 2.前記処理手段は前記第2の接点に電圧を印加するための手段を更に有し、前 記処理手段は検知電極が前記第1及び第2の接点を接続し、その時点で前記第2 の接点が前記基準電位を示すまで前記電圧を検知することを特徴とする請求項1 に記載のバイオセンシング・メータ。 3.サンプル片が前記バイオセンシング・メータに挿入されたときに前記励起電 極によって電気的に接続されるように配置された第3及び第4の接点と、 サンプル片の挿入の際に前記第3及び第4の接点が電気的に接続されたことを 判断する手段とを更に有することを特徴とする請求項2に記載のバイオセンシン グ・メータ。 4.前記演算増幅手段を前記処理手段に接続する手段と、 前記第3の接点に接続されこれに励起電圧を印加するための励起供給手段とを 更に有し、前記処理手段は前記励起電圧が励起電極に供給されたことに応じて第 1のしきい値レベルまたはそれ以下の前記演算増幅器からの出力に応答し、テス ト片が存在してその励起電極及び検知電極の間の電気的分離の要求水準を示して いると判断することを特徴とする請求項3に記載のバイオセンシング・メータ。 5.前記演算増幅器が第2のしきい値レベルより大なる出力を与えるときに、前 記プロセッサはテスト片が漏洩電流のレベルが高すぎるか又は電気的短絡状態で あることを示していると判断すること特徴とする請求項4に記載のバイオセンシ ング・メータ。 6.サンプル片又はチェック片を受取るバイオセンシング・メータであって、前 記サンプル片は検体反応物質により橋絡され、電気的に分離された励起電極及び 検知電極を含み、前記バイオセンシング・メータはサンプル片が前記バイオセン シング・メータに挿入されたときに検知電極によって電気的に接続されるように 配置された第1及び第2の接点を含み、チェック片は励起電極及び前記第1の接 点に位置合わせされた第1の検知電極区分及び前記第2の接点 に位置合わせされた第2の検知電極区分に区分された検知電極を含み、前記検知 電極の両方の区分はチェック片が前記バイオセンシング・メータへ挿入された際 に前記第1及び第2の接点とそれぞれ電気的接続を成し、前記第1の検知電極区 分はまた抵抗を介して前記チェック片の励起電極に接続されており、 前記第1の接点に接続された一つの入力と、基準電位に接続された第2の入力 とを有し、前記一つの入力が前記基準電位を示す演算増幅手段と、 前記第2の接点に接続され、サンプル片が前記第1及び第2の接点を電気的に 接続する検知電極として存在することを示すものとして前記第2の接点における 前記基準電位の存在を検出する処理手段とを更に含むことを特徴とする前記バイ オセンシング・メータ。 7.前記演算増幅手段の前記出力を前記処理手段に接続する手段と、 励起電圧を挿入された励起電極に印加する励起手段を更に有し、前記処理手段 は励起電圧が前記励起電極に印加されたときに第1のしきい値より高い前記演算 増幅手段からの出力に応答して、チェック片が前記バイオセンシング・メータ内 に存在することを判別することを特徴とする請求項6に記載のバイオセンシング ・メータ。 8.前記第1の検知電極区分を前記励起電極に接続する前記抵抗は前記チェック 片が前記演算増幅器出力を前記第1 のしきい値以上にさせること保証する手段となることを特徴とする請求項7に記 載のバイオセンシング・メータ。 9.挿入されたチェック片の存在を判別する際に、前記処理手段は励起手段を複 数の励起電圧を前記励起電極に印加するように動作させ、前記バイオセンシング ・メータの動作をテストすることを特徴とする請求項8に記載のバイオセンシン グ・メータ。 10.検体反応物質により橋絡され電気的に分離された励起電極及び検知電極を 含むサンプル片を受取るバイオセンシング・メータであって、 サンプル片が前記バイオセンシング・メータに挿入されたときに励起電極によ って電気的に接続されるように配置された第1及び第2の接点と、 励起電圧を生成する励起電圧手段と、 前記励起電圧手段に接続された1つの入力と、前記第2の接点に接続された第 2の差動入力と、前記第1の接点に接続された出力を有する増幅手段と、 前記第2の接点に接続され、前記第2の接点に励起電圧が存在することをサン プル片が挿入されたことを表しているとして判別することを特徴とする前記バイ オセンシング・メータ。 11.前記第1の接点と前記増幅器出力との間、及び前記2の接点と前記第2の 入力との間に接続されたスイッチ手段を更に有し、前記スイッチ手段は、その間 に前記スイッ チ手段が開成する前記検体反応物質との化学的培養反応が生じている間を除いて 常時閉成することを特徴とする請求項10に記載のバイオセンシング・メータ。 12.前記処理手段は、テストが終了するまで前記サンプル片が継続して存在す ること及び前記テストの間に適正レベルの励起電圧が印加されていることの保証 として前記第2の接点における前記励起電圧を監視し続けることを特徴とする請 求項10に記載のバイオセンシング・メータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7317893A | 1993-06-08 | 1993-06-08 | |
US08/073,178 | 1993-06-08 | ||
US73,178 | 1993-06-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08504953A true JPH08504953A (ja) | 1996-05-28 |
JP2704046B2 JP2704046B2 (ja) | 1998-01-26 |
Family
ID=22112206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6523614A Expired - Lifetime JP2704046B2 (ja) | 1993-06-08 | 1994-05-13 | 適切な電極の接続を検出し、サンプル片及びチェック片を区別するバイオセンシングメータ |
Country Status (8)
Country | Link |
---|---|
US (1) | US5438271A (ja) |
EP (1) | EP0702789B8 (ja) |
JP (1) | JP2704046B2 (ja) |
AU (1) | AU7017994A (ja) |
CA (1) | CA2153883C (ja) |
DE (2) | DE69434647T2 (ja) |
ES (1) | ES2153335T3 (ja) |
WO (1) | WO1994029705A1 (ja) |
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JP2016102747A (ja) * | 2014-11-28 | 2016-06-02 | 株式会社アドバンテスト | 測定装置 |
JP2017500571A (ja) * | 2013-12-23 | 2017-01-05 | ライフスキャン・スコットランド・リミテッド | 検体計測器の試験ストリップの検出 |
JP2018112566A (ja) * | 2018-04-26 | 2018-07-19 | 株式会社アドバンテスト | 測定装置 |
JP2022506925A (ja) * | 2018-11-02 | 2022-01-17 | カルディエーアイ テクノロジーズ リミテッド | ユーザの健康状態を分析するための携帯型電気化学センサシステムおよびその方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP0702789B8 (en) | 2006-06-14 |
WO1994029705A1 (en) | 1994-12-22 |
DE69434647D1 (de) | 2006-05-04 |
EP0702789A1 (en) | 1996-03-27 |
ES2153335T3 (es) | 2006-09-01 |
DE69434647T2 (de) | 2007-01-18 |
CA2153883C (en) | 1999-02-09 |
ES2153335T1 (es) | 2001-03-01 |
DE702789T1 (de) | 2000-11-02 |
CA2153883A1 (en) | 1994-12-22 |
AU7017994A (en) | 1995-01-03 |
EP0702789B1 (en) | 2006-03-08 |
EP0702789A4 (en) | 1997-05-28 |
US5438271A (en) | 1995-08-01 |
JP2704046B2 (ja) | 1998-01-26 |
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