JP2010012330A - 医療用の液体を取り扱う装置 - Google Patents
医療用の液体を取り扱う装置 Download PDFInfo
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- JP2010012330A JP2010012330A JP2009242200A JP2009242200A JP2010012330A JP 2010012330 A JP2010012330 A JP 2010012330A JP 2009242200 A JP2009242200 A JP 2009242200A JP 2009242200 A JP2009242200 A JP 2009242200A JP 2010012330 A JP2010012330 A JP 2010012330A
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Abstract
【解決手段】本発明は、液体取扱機械と、その中に挿入可能な、室と通路が穿設された堅固なカセット本体(12)およびこれらを覆うシート(14)で実質的に構成されたカセットとを備える、医療用の液体を取り扱う装置に関するものである。本発明によれば、カセットが挿入された前記装置を作動させるためのアクチュエータとセンサが、カセットをさまざまな統合形態で挿入可能であるように、液体取扱機械に配置される。
【選択図】 図1
Description
− ヘマトクリットの測定
− 熱エネルギーバランスの測定と管理
− 体温の測定と管理
− (循環が行われる)フィステルの状態の測定
− 空気の検知
− フィステル圧の測定
マルチセンサモジュールは、容積管理、ヘマトクリットの測定、および空気検知のための超音波センサと、自動的なアクセス分析、体温管理、および熱エネルギーバランスのための温度センサと、圧力監視のための圧力センサと、自動的な血液認識のための光学センサとを装備しているのが普通である。
Claims (47)
- 液体取扱機械と、この液体取扱機械の中に挿入可能で、室と通路が穿設された堅固なカセット本体、並びにこれら室と通路を覆うカバーシートとを有するカセットとを具備する医療用の液体を取り扱う装置において、
換気ユニットが、前記液体取扱機械に設けられ、この換気ユニットは、前記カセットに設けられた空気透過膜に結合可能であることを特徴とする装置。 - 前記カセットは、前記空気透過膜が配置されている換気室を有する請求項1に記載の装置。
- 前記カセットに設けられた前記空気透過膜は、疎水性と疎油性の性質を有する請求項1または2に記載の装置。
- 前記カセットに設けられた前記空気透過膜は、膨張させた、または焼結されたポリテトラフルオロエチレンによって形成されている請求項1乃至3のいずれか1項に記載の装置。
- 前記カセットは、換気接続管を有する請求項1乃至4のいずれか1項に記載の装置。
- 前記換気接続管は、前記換気室に配置されている前記空気透過膜の上側に配置されている請求項5に記載の装置。
- 前記液体取扱機械は、前記カセットの換気接続管に接続可能な吸引装置を有しており、この吸引装置と前記換気接続管とは、使用の間共働して、前記換気接続管のところで、液体取扱機械側への能動的な吸引を行うことができる請求項5または6のいずれか1項に記載の装置。
- 前記液体取扱機械は、真空接続システムを有する請求項1乃至7のいずれか1項に記載の装置。
- 前記真空接続システムは、少なくとも1つの真空吸引通路を有する請求項8に記載の装置。
- 前記真空接続システムは、前記カセットのカバーシートを前記液体取扱機械に引きこむ請求項8または9のいずれかに1項に記載の装置。
- 前記換気室の断面は、カバーシートを液体取扱機械の中に引き込むことによって円形となる請求項10に記載の装置。
- 前記換気室に合流する通路が、前記換気室内に換気室の接線に沿って空気が流入するように、前記カバーシートと共に機械側へ入り込む請求項8乃至11のいずれか1項に記載の装置。
- カセットが挿入された前記装置を作動させるためのアクチュエータとセンサが、カセットをさまざまな統合形態で挿入可能であるように、即ち、前記装置を作動させるためにさまざまなカセットが別々に挿入されるように、前記液体取扱機械に配置される請求項12に記載の装置。
- 前記カセットは、使い捨て部品(ディスポーザブルカセット)として構成されている請求項1乃至13のいずれか1項に記載の装置。
- 前記カセットは、さまざまな利用目的のために利用可能である請求項1乃至14のいずれか1項に記載の装置。
- 前記利用目的は、標準血液透析、オンライン血液透析濾過、またはオンライン血液濾過、または急性治療である請求項15に記載の装置。
- 前記カセットは、堅固なカセット本体の側方に一体成形された取っ手を有している請求項1乃至16のいずれか1項に記載の装置。
- 前記カセットの側方にダイアライザが統合されており、このダイアライザが同時に取っ手を形成している請求項17に記載の装置。
- 前記液体取扱機械は、扉が取り付けられていて内部で機械ブロックが案内されるフレームを有しており、前記扉と機械ブロックとは、これらの間で押圧により封止された状態でカセットを収容可能であるように互いにアライメント可能である請求項1乃至18のいずれか1項に記載の装置。
- 前記機械ブロックは、前記フレームに可動に案内され、カセットを封止しながら収容するために、エアクッションからなる押圧アクチュエータによって閉じた扉の方向へ可動である請求項19に記載の装置。
- 通路が組み込まれた空気分配プレートが、機械ブロックに連結されており、この空気分配プレートによって圧縮空気および/または真空を相応の空気圧接続部から機械ブロックのアクチュエータやバルブへと誘導可能である請求項19または20に記載の装置。
- 少なくとも1つのフレーム側の突起に係合する少なくとも1つのセンタリング切欠きが前記カセットに切り欠かれており、機械ブロックの表面にカセットを固定可能な少なくとも1つの係止手段、例えばスナップフックが任意選択で追加的に設けられている請求項19乃至21のいずれか1項に記載の装置。
- 前記扉は、閉めてからフレームとロック可能であり、このロック状態をセンサで監視可能である請求項19乃至22のいずれか1項に記載の装置。
- 前記カセットと機械ブロックの間に弾性的なマットが配置されている請求項19乃至23のいずれか1項に記載の装置。
- 弾性的な前記マットは、例えば設けられるべきポンプ室のための切欠きと、カセットの液体を通す通路に沿って延びるマット通路とを有している請求項24に記載の装置。
- それぞれペアとして構成され、前記ペアの一方が機械ブロックに取り付けられると共に他方が扉に取り付けられた、主として取り扱われるべき医療用の液体のパラメータを判定するためのセンサモジュールが液体取扱機械に統合されている請求項1乃至25のいずれか1項に記載の装置。
- 前記機械ブロックとカセットの表面とは、それぞれ複数の面領域(A、B)に区分されており、1つの面には、基本バリエーションとして全てのカセットに共通する接続されるべきアクチュエータまたはセンサのコンポーネントが格納されており、オプションとして使用されるべきアクチュエータまたはセンサが配置された別の面が含まれている、請求項19乃至26のいずれか1項に記載の装置。
- 請求項1乃至27のいずれか1項に記載の装置で利用するためのカセットであって、少なくとも1つ、有利には2つのポンプ室と、少なくとも1つの測定室と、換気室と、統合された通路と、複数のポートとを有していることを特徴とするカセット。
- 前記カセット本体は、ポリプロピレンでできている請求項28に記載のカセット。
- 前期カバーシートは、ポリオレフィンエラストマ混合物でできている、請求項28または29に記載のカセット。
- 前記換気室は、カセット本体にある切欠きによって、および、そのために機械側に設けられた切欠きに吸引可能なカバーシートによって形成されている請求項28乃至30のいずれか1項に記載のカセット。
- 前記少なくとも1つのポンプ室は、実質的に接線上の入口と出口を備えている請求項28乃至31のいずれか1項に記載のカセット。
- 前記少なくとも1つのポンプ室は、実質的に球形の形態を有しており、縁部には突出する隆起部が成形されており、それにより、圧送段階のときにカセット本体の上側縁部とカバーシートとの間に洗浄通路が形成される請求項32に記載のカセット。
- 機械側のポンプ球冠部が、カセット側のポンプ室の半径に比べて短い半径を有しており、それにより、ポンプ球冠部とポンプ室の間の半径差の幅に相当する洗浄通路が形成されている請求項33に記載のカセット。
- 前記少なくとも1つの測定室は、ディフューザノズルの形態を有している請求項28乃至34のいずれか1項に記載のカセット。
- 全ての通路および室がカバーシートのほうを向いた縁部隆起をそれぞれ側方に有しており、線状の圧着力分布を実現可能な、通路に随伴するウェブが通路の裏側に任意選択で追加的に構成されている請求項28乃至35のいずれか1項に記載のカセット。
- 前記カセット本体は、外側縁部のところでカバーシートと溶接されており、場合により置換液を通すカセットの領域が溶接継目で取り囲まれている請求項28乃至36のいずれか1項に記載のカセット。
- ダブルニードル動作またはシングルニードル動作で作動可能である、請求項28乃至37のいずれか1項に記載のカセット。
- 気体透過性の膜が前記換気室内に配置されている請求項28乃至38のいずれか1項に記載のカセット。
- 前記膜は、疎水性と疎油性の性質を有する請求項39に記載のカセット。
- 前記膜は、膨張させた、または焼結されたポリテトラフルオロエチレンによって生成されている請求項39または40に記載のカセット。
- 前記カセットは、換気接続管を有する請求項28乃至41のいずれか1項に記載のカセット。
- 前記接続管は、前記接続室内に配置されている前記膜の上側に配置されている請求項42に記載のカセット。
- 前記カセットの換気接続管は、液体取扱機械の吸引装置に接続可能であり、吸引装置と換気接続管とは、使用の間共働し前記換気接続管のところでは、機械側で能動的な吸引を行うことができる請求項42または43に記載のカセット。
- 前記換気室のほぼ円形の断面は、カバーシートを、そのために機械側に設けられた切欠きの中に引き込むことによって形成される請求項31乃至44のいずれか1項に記載のカセット。
- 前記換気室に合流する通路が、前記換気室内に換気室の接線に沿って空気が流入するように、前記カバーシートと共に機械側へ入り込む請求項31乃至45のいずれか1項に記載のカセット。
- 請求項28乃至46の少なくとも1項に記載のカセットで構成されるカセットセットであって、このカセットセットは、標準血液透析、オンライン血液透析濾過、またはオンライン血液濾過、および急性治療の利用目的のためのカセットを含んでいることを特徴とする、カセットセット。
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