JP2006300964A - 電子検定装置 - Google Patents
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Abstract
【解決手段】装置は、外面を有し且つ内部領域を画成するハウジングを備えている。検体処理ストリップが検体と試薬とを反応させ、検体中の選択された分析物質の量に相関する物理的に検出可能な変化を生じさせる。検出器が物理的に検出可能な変化に応答し且つ検体中の選択された分析物質の量に相関する電気信号を発生させる。プロセッサが電気信号をデジタル出力に変換する。検体を装置に付与したとき、始動装置がプロセッサ及び検出器を自動的に作動させる。本発明は、ハウジング内にて検体中に1つ以上の選択された分析物質が存在するか否かを判定し、診断装置を自動的に始動させて検体を分析する。
【選択図】なし
Description
本出願の主題は、以下の米国特許出願に開示された、全ての化学試薬を含む、完全に自己内蔵の使い捨て型である、一回使用のデジタル電子式計測器に関するものである。すなわち、ジョエル・エム・ブラット(Joel M. Blatt)及びミッチェル・ピー・アレン(Michael P. Allen)が1995年8月9日付けで出願した、「多数の試験領域を有する、乾燥試薬粒子検定法及びその装置並びにその方法(Dry Reagent Particle Assay And Device Having Multiple Test Zones And Method Therefor)」という名称の米国特許出願第08/512,844号、レイモンド・ティー・ヘバート(Raymond T. Hebert)及びその他の者が1996年4月30日付けで出願した、「反射した光線を測定するための方法及び装置(Method And Device For Measuring Reflected Optical Radiation)」という名称の米国特許出願第08/642,228号、ジョエル・エム・ブラット及びその他の者が1996年5月11日付けで出願した、「検定時に検出可能な変化を所定の分布で生じる方法及びその装置(Method And Device Producing A Predetermined Distribution Of Detectable Change In Assays)」という名称の米国特許出願第642,228号である。上記の出願は、本発明の譲受人と同一人に譲渡され、その全体を引用して本明細書に含めてある。
このため、家庭、緊急の医療現場、又は病院以外の場所にて未熟達の者が治療箇所で使用することを可能にし得るのに十分に正確で且つ信頼し得る一回使用の検定法が診断分野にて必要とされている。
本発明の有利な点、実施の形態及び変形例等は、添付図面及び添付した請求の範囲の記載から、本発明の当業者にとって明らかになるであろう。
検体が存在することに応答して、計測器の「自動零設定」及び「測定」機能が始動する。この電極の方法について上述したが、任意の便宜且つ経済的な方法を使用してもよい。別の方法は、装置を遮光性のフォイル格納パウチから除去したときに作動する太陽電池を使用するものである。ユーザが装置をパウチから除去すると、周囲光が計測器をオンにし、自己基準設定機能を行い、LED及び光学素子が待機状態となることを許容する。また、このことは、プロセッサに設けられたタイマーも始動させる。このタイマーは、所定時間の後、「測定」機能を開始させる。この装置は、「基準電極」及び「測定」電極対を不要にするものである。
この装置のハウジング18は、ポリエチレン、デルリン、ABS及びポリスチレンのよう熱可塑剤を含むが、これらにのみ限定されない、任意の従来の材料にて製造することができる。
入口ポート66は、検体72を検体受け入れ装置74内に導入することを許容する。この装置74は、図5に示すように、カバー64の内面76に取り付けられている。この検体受け入れ装置74は、パッドを有している。このパッドは、2つの検定ストリップと流体連通しており、検体を2つのストリップ間にて分配する働きをする。選択随意的に、この検体受け入れ装置74は、検体フィルタパッドを有するようにしてもよい。この検体フィルタパッドは、望ましくない汚染物質を検体から除去する働きをする。この検体フィルタパッドは、検体受け入れパッドと同一とし、その一方のパッドが双方の機能を果たすようにすることができる。この装置60は、異なる種類の汚染物質を除去する、1つ以上の検体フィルタパッドを検体の流路に沿って含むことができる。これら2つの検定ストリップは、1つ以上の選択した分析物質の有無を判定する化学的試薬を含んでいる。
本発明によれば、当業者は、本明細書に示した例以外の特定のマイクロプロセッサの電力消費量を考慮して、所望の貯蔵寿命をより短くし又はより長くするのに適した寸法の装置内にバッテリを内蔵させることができる。
図4を参照すると、定量的な検定結果が表示される方法にて、本発明の別の特徴が図示されている。この好適な実施の形態において、3・1/2桁表示機能を有するLCD270がカバーの外面68を通じて一体に取り付けられ且つプロセッサに電気的に接続されている。LCD270の各桁又はその一部分は、関連する情報を表示する別個のスクリーンとみなすことができる。
上述したように、診断装置60は、任意の便宜な寸法とすることができ、その最適な寸法は、消費者の使い勝手を含む幾つかのファクタにより決まる。該装置60は約5cm3乃至約500cm3の容積範囲を有することが好ましい。より具体的には、装置60の容積は約20cm3乃至約50cm3の範囲である。
本発明の全体を説明したが、単に一例としてのみ掲げ、本発明の範囲を限定することを意図するものではない、本明細書の以下の特定の実施の形態を参照することにより、更に理解することが可能である。
図10及び図11には、上述した診断装置60の好適な実施の形態に使用するのに適した、NTx検定用の積層ストリップの配置200が図示されている。該ストリップの配置200は、該ストリップの基端206にて検体分配パッド202の上側部204に対する入口ポート(図示せず)から検体を受け取るための検体分配パッド202を有している。サイトセップ(CytoSep)からの材料No.1662で出来ているこの分配パッド202は略四角寸法が約7mmであり、厚さが約0.023mmである。該検体分配パッド202は図4に以前に図示した、参照番号114、116で示すような2つの検定ストリップに取り付けられ且つこれら2つの検定ストリップと流体連通している。これらのストリップの一方は図10及び図11に、多数の構成要素で出来た検定ストリップ208として示してある。
図12及び図13には、上述した診断装置60の好適な実施の形態に使用するのに適した一般的な化学検定法用の積層ストリップ配置230が図示されている。該ストリップ配置230は、ストリップ238の基端236にてパッド232の上側部234に形成された入口ポート(図示せず)から検体を受け取る検体分配パッド232を有している。該分配パッド232は、サイトセップからの材料No.1662で出来ており、厚さが約0.5842mm(0.023インチ)の約7mm角の寸法を有している。該検体分配パッド232は、前に図4に参照番号114、116で示すように、2つの検定ストリップに取り付けられ且つ該2つの検定ストリップと流体連通している。
上記の教示に鑑みて、本発明の多数の改変例及び変形例が可能である。従って添付した請求の範囲において、本発明は、本明細書に具体的に記載した以外の形態にて実施することも可能であることを理解すべきである。
62 ハウジング 74 検体受け入れ装置
86 反射率計 90 光学素子組立体
96、98、100 検出器
Claims (3)
- 反射した光線を使用して、検体中の1つ以上の選択された分析物質の定量的測定値を提供する検定装置において、
外面を有し且つ内部領域を密封するハウジングと、
分析物質を含む検体を受け取る形態とされた受容器であって、ハウジングの外面に配置された受容器と、
検定ストリップの各々における少なくとも1つの検体採取領域内にて物理的に検出可能な変化を生じさせ得るように検体と自己内蔵した試薬とを反応させ、該物理的に検出可能な変化が検体中の選択された分析物質の量に相関する、少なくとも1つの検定ストリップであって、その各々が受容器と流体連通した少なくとも1つの検定ストリップと、
光線源と、光線を定量的に検出し得る形態とされた検出器と、少なくとも1つの検定ストリップ上における検体採取領域の各々に光線源からの照射光を向け且つ検体採取領域の各々から拡散して反射した光線を検出器に向ける形態とされた光学素子組立体とを有し、該検出器が検体中の選択された分析物質の量に相関する電気信号を発生させる、反射率計と、
検定較正情報であって、特定的な自己内蔵した試薬に対し、検体採取領域の各々内の物理的に検出可能な変化に対し且つ個々の検定装置の特定的な反射率計に対し独特の特徴を有する検定較正情報を記憶する形態とされたプロセッサであって、記憶された検定較正情報を使用して、検体採取領域の各々及び反射率計を較正する形態とされ、更に、電気信号の各々をデジタル出力に変換する形態とされ、及びハウジング内にて密封され且つ反射率計に接続されたプロセッサと、
検体を装置に付与したとき、プロセッサ及び反射率計を自動的に作動させる形態とされた始動装置であって、ハウジング内に配置され且つプロセッサに接続し、プロセッサの状態を、揮発性ランダムアクセルメモリを保つのみに必要な電力のみが供給される休止状態から動作可能状態に変化させる始動装置と、
を備える検定装置。 - 請求項1に記載の検定装置において、検定ストリップの各々が少なくとも2つの検体採取領域を含み、プロセッサが、更に、検体採取領域の各々からの電気信号を互いに合算することと、該合計値と検体採取領域の各々の電気信号と比較し又は記憶させた検定較正情報と比較することとにより、検定ストリップの各々を較正する更なる形態とされた、検定装置。
- 請求項1又は2に記載の検定装置において、検体から汚染物質を除去し得る形態とされたフィルタを備え、該フィルタが、検体採取領域の前にて検定ストリップの各々と流体連通している、検定装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US08/657,894 US5837546A (en) | 1993-08-24 | 1996-06-07 | Electronic assay device and method |
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JP50090298A Division JP2002509605A (ja) | 1996-06-07 | 1997-06-06 | 電子検定装置及び電子検定方法 |
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JP2006300964A true JP2006300964A (ja) | 2006-11-02 |
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JP50090298A Pending JP2002509605A (ja) | 1996-06-07 | 1997-06-06 | 電子検定装置及び電子検定方法 |
JP2006184229A Pending JP2006300964A (ja) | 1996-06-07 | 2006-07-04 | 電子検定装置 |
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JP50090298A Pending JP2002509605A (ja) | 1996-06-07 | 1997-06-06 | 電子検定装置及び電子検定方法 |
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US (1) | US5837546A (ja) |
EP (1) | EP0991933A1 (ja) |
JP (2) | JP2002509605A (ja) |
AU (1) | AU3305397A (ja) |
CA (1) | CA2251048A1 (ja) |
WO (1) | WO1997046868A1 (ja) |
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Cited By (4)
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WO2008120614A1 (ja) * | 2007-03-30 | 2008-10-09 | Terumo Kabushiki Kaisha | 体液成分測定装置 |
JPWO2008120614A1 (ja) * | 2007-03-30 | 2010-07-15 | テルモ株式会社 | 体液成分測定装置 |
JP5345522B2 (ja) * | 2007-03-30 | 2013-11-20 | テルモ株式会社 | 体液成分測定装置 |
JP2013079926A (ja) * | 2011-10-05 | 2013-05-02 | Techno Medica Co Ltd | 定性分析装置 |
Also Published As
Publication number | Publication date |
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EP0991933A1 (en) | 2000-04-12 |
WO1997046868A1 (en) | 1997-12-11 |
AU3305397A (en) | 1998-01-05 |
US5837546A (en) | 1998-11-17 |
CA2251048A1 (en) | 1997-12-11 |
JP2002509605A (ja) | 2002-03-26 |
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