JP6010151B2 - センサ装置システム、機器及び方法 - Google Patents
センサ装置システム、機器及び方法 Download PDFInfo
- Publication number
- JP6010151B2 JP6010151B2 JP2015021182A JP2015021182A JP6010151B2 JP 6010151 B2 JP6010151 B2 JP 6010151B2 JP 2015021182 A JP2015021182 A JP 2015021182A JP 2015021182 A JP2015021182 A JP 2015021182A JP 6010151 B2 JP6010151 B2 JP 6010151B2
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- sensor
- fluid
- fluid flow
- flow path
- port
- Prior art date
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
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- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
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- F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
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Description
電性及び/又は他の状態を測定できる正確な測定装装置が必要とされる。
本願発明の一つの態様に従って、ウェルは、熱伝導性材料の中空のハウジングを含む。ハウジングは外面と内面とを有する。内面は、検出プローブと嵌め合い関係を形成するような所定の形状である。この嵌め合いは、内面と検出プローブとを熱的に結合する。
本願発明の一つの態様に従って、カセット内の対象媒体の温度及び導電性を判定する方法が記載される。この方法は、カセット内に少なくとも一つのウェルを設置する工程と、温度と導電性とが判定できるようにウェルと検出プローブとを熱的に結合する工程と、検出プローブから少なくとも三つのリード線を通じて熱及び導電性信号を転送する工程と、この信号を使用して温度と導電性とを判定する工程を含む。
あるいはまた、ウェルはカセットに、例えば圧入連結と、可撓性タブと、接着剤と、超音波溶接と、保持プレート及び締結具と、のうちの少なくとも一つを使用して結合される。オーリングがウェルと流体導管との間に配置され得る。オーリングは円形断面、四角形断面、及びX形状の断面の一つを含み得る。ウェルは、オーリングの一部を受容するための溝を含み得る。導管と接触するウェルの一部は、導管を変形させるために可撓性を有し、上記可撓性を提供するために複数の切込み部を含み得る。
上述の図面及び図面に記載された構成要素は、必ずしも一貫した尺度又は寸法で描かれていないことに留意されたい。文脈が他に示唆しない限り、同様な構成要素が同様な符号によって示される。
この明細書の説明及び添付の特許請求の範囲において使用されるように、以下の用語は、文脈が他に要求しない限り、ここで示された意味を有する。
「球形」は、一般的な球形を意味する。
「流体」は、例えば流動路を通って送られることが可能な物質、液体を意味する。血液は流体の特定の例示である。
「対象媒体」は、検出プローブと直接的に、又はサーマルウェル、センサ伸長ピン、及び一つ以上のセンサにそのような対象媒体の特性に関する情報を転送するための他の機器等を介して間接的に接触する、任意の流体、固体、液体又はガスを含む任意の材料である。
一つの例示の実施形態において、サーマルウェルは、温度検出プローブ等のセンサプローブを収容するために使用される。サーマルウェルは対象媒体(例えば血液又は透析液等
の液体)と直接接触し、検出プローブは対象媒体と直接接触しない。サーマルウェルと検出プローブ構造との熱力学的特性によって大部分が決定される熱伝導に基づいて、検出プローブは、対象媒体と直接接触すること無しに対象媒体の特性を判定できる。センサ装置構成の正確性及び効率性が、構造、材料及びプローブとサーマルウェルの両方の形状を含む多くの要因に依存するが、これらの要因に制限されない。
要素は、センサ装置の実施形態の少なくとも一部に影響する。
(図1A〜1Bに5108として示されるように)配置する、固定する、又はシールするように機能し得る。
図7Mを参照すると、流体路5108にインサート成形されるサーマルウェル5100が示される。ゾーン5406は、周囲を覆う流体路5108におけるプラスチックに適したフランジである。この実施形態に示されるように、フランジは平坦であるが、他の実施形態では、フランジはベル形または他の形状となり得る。
直接センサ接触、サーマルウェルの使用を通じたセンサインターフェースを含む、システム、機器、及びセンサインターフェースのための方法の様々な実施形態、又は様々な使い捨ての及び再利用される構成要素を有する他の実施形態が記載される。このようなシステム、機器及びセンサインターフェースのための方法が多様なセンサと共に使用され、広範の用途に使用される。このようなシステム、機器、及びセンサインターフェースのための方法は、様々なセンサの実施形態と共に使用する又は任意の特定の状況において使用することを決して制限しない。
の熱伝導性材料から作られる。
ーマルウェル5100と直接接触する。図4を再び参照し、さらに図14A及び14Bを参照すると、サーマルウェル5100がゾーン5402を含む。サーマルウェル5100は中空であり、ゾーン5402の内側部分が検出プローブ先端5802と嵌め合い接触するように形成される。この実施形態に示されるように、サーマルウェル5100は、検出プローブ5800と嵌め合い形状を有するように設計される。従って、サーマルウェル5100の形状は、検出プローブ5800の先端5802の形状及び基端の形状に依存する。
3.1 流体路に接続して使用されるセンサ装置及びセンサ装置システム
センサ装置の説明のために、例示の実施形態におけるセンサ装置が説明される。例示の実施形態は、図14A,14Bに示される別の例示の実施形態とともに、図13A,13B及び図15に示される。センサ装置の別の実施形態においては、センサプローブはサーマルウェルの外側で使用される。しかしながら、センサ装置は既に本明細書において単独で説明されている。従って、後の説明においては、この目的のために、センサプローブとサーマルウェルとを含んだセンサ装置の例示の実施形態の一実施形態について説明する。
図14A,14Bに示すように、別の例示の実施形態においては、センサプローブ5800はサーマルウェル5100に結合され、図示されたような形状を有する先端5802はサーマルウェル5100の内側領域5404,5406と先端5802との間にエアギャップ6402を形成する。エアギャップ6402は、5802の検知先端の上部のみがサーマルウェル5100の上部領域5402に接続するように断熱障壁を供する。
用されるいかなる位置に取り付けられる。
図16に示すように、サーマルウェル5100に結合したセンサプローブ6602を示す別の例示の実施形態が示される。この説明のために、センサプローブ6602の任意の実施形態及びサーマルウェル5100の任意の実施形態が使用される。本実施形態において、センサプローブ6602の先端とサーマルウェル5100との間の熱的な結合を高めるために、センサプローブ6602とサーマルウェル5100の内側領域5402との接触領域には熱グリース6604が配置されている。一実施形態において、熱グリース6604の量は前記領域5402に対して配置されているだけで十分である。しかしながら、別の実施形態においては、熱グリースの量を多くしても少なくしてもよい。
。流体路5108は流体管路5104を含んでいる。対象媒体は流体管路5104及びサーマルウェル5100を通って流れ、サーマルウェル5100は、流体管路5104に十分な接触を有し、かつ対象媒体の温度特性及びいくつかの実施形態においては導電特性を検知することができるように配置されている。流体管路5104内のサーマルウェル5100の位置は、詳しく上述したように、要求された精度、対象媒体及びその他の検討事項に関連する。
ヤ6710が示される。ワイヤはリード線を含む。いくつかの実施形態においては、2つのリード線がある。これら実施形態のいくつかは、温度を検出するためのものである。他の実施形態において、3つ又はそれ以上のワイヤを含んでいる。これら実施形態のいくつかは、温度と導電性とを検出するためのものである。
この記載で示され、かつ説明されるカセットの実施形態は、例示のまたはいくつかの別の実施形態を含む。しかしながら、同様なまたは付加的な機能性を含んだ様々なカセットが意図されている。その上で、可変な流体路及び/またはバルブ位置を有し、またはポンプ機能、バルブ機能、及び/またはその他のカセット機能を利用するものであってもよい。全ての実施形態は本願発明の範囲内にある。
1994年9月27日に発行された米国特許第5350357号の「腹膜の透析システム及び液体分配を採用する方法及び重力流を模倣したポンプカセット」、1998年5月26日に発行された第5755683号の「静脈ライン流制御システム用カセット」、2001年4月24日に発行された第6223130号の「流体流制御システムの膜の漏れを検出する装置及び方法」、2001年5月22日に発行された第6234997号の「静注薬物を混合及び搬送する装置及び方法」、2005年6月14日に発行された第6905479号の「集積化フィルタを備えたポンプカートリッジ及びカートリッジで流体を濾過する方法」、2003年4月10日出願の米国特許出願第10412658号の「流体の目標量を配分するシステム及び方法」、2003年10月30日出願の米国特許出願第10/696990号の「ポンプカセット貯蔵物」に記載された種類の可撓性膜流体カセットを含む、流体カセットは、その出願の全ての内容が参照されて盛り込まれ、ここで記載されたセンサ装置及びセンサ装置システムに関連して使用される。
例示のカセット2300はウェル及びチャネルの形状をなす内部空洞の配列を形成している。例示のカセット2300においては、内部空洞は、流体経路2303のような、液体(図23Aに示す)を運ぶための多数の流体路を形成している。例示のカセット230
0において、内部空洞はまた、ポンプチャンバー2301,2302(図23Cに示す)のようなポンプチャンバー及びバルブステーション2304(図23Cに示す)のような多数のバルブステーションを形成する。例示のカセット2300において、バルブステーション2304のようなバルブステーションは、流体経路2303のような多数の流体経路とポンプチャンバー2301,2302と、及びポンプチャンバー2301,2302同士を相互に連結させている。
される。サーマルウェル5100の長さは、ある程度、流体経路2303内の対象媒体の流体流に影響を与えるものであってもよい。サーマルウェル5100の長さは流体の乱流に影響を与えることを理解されたい。従ってサーマルウェル5100の長さ及び幅は、他の変化を軽減させるように、流体流及び流体の乱流に大きなまたは小さな影響を与えるように変更してもよい。
センサ装置の多くの異なった実施形態は可撓性カセット内に設置されたサーマルウェルに接続されて使用され、図14A〜B、図15及び図16に示した、及び、上述したものと同様な実施形態を含む。
特定の実施形態において、例示のカセット2300は、バルブステーション及びポンプチャンバーを覆う隔膜領域上で、米国特許第5350357号及び他の特許及び上記した特許出願に記載された正又は負の流圧を含む、局所的に正圧及び負圧を供給する機器(図示しない)とともに使用されてもよい。カセット2300が圧力供給装置(図示しない)とともに使用される場合、カセット2300は多くの異なった方法及び多くの異なった位置で装置に接続している。好ましくは、特定の実施形態において、カセット2300は装置に垂直又は実質的に垂直方向といったように水平方向以外の方向に装着されている。垂直又は実質的に垂直な方向へのカセットの配置は、空気の閉じ込めを回避し、正圧及び負圧の供給を最適化するというカセットの形状に応じた利点を提供し、米国特許第5350357号及び他の特許及び上記した特許出願に記載された、カセットに対する、正又は負の流圧を含む。
形態において、好ましくはセンサポート2305,2306はカセットの下端(図23Aに示すカセットの下端)に配置される。例示のカセット2300の下端に沿うセンサポート2305,2306の位置は、(センサポート2305,2306及び装着されたサーマルウェル5100はカセットの下部の流体経路2303に延びるように)、図28に示すようにセンサ装置との連結を容易にする。これらの実施形態のうちの特定のものにおいては、サーマルウェル5100に装着された例示のカセット2300はセンサプローブ6000上に配置され、そして、センサプローブ6000上で垂直下方に回転される。
上述した可撓性膜カセット以外のカセットはここで上述したセンサ装置及びセンサ装置システムとともに使用されてもよい。2007年4月13日(E77)に出願された特許出願第11/787213号の「熱交換システム、装置及び方法」、2007年4月13日(E79)に出願された特許出願第11/787213号の「導電性センサシステム、装置及び方法」に記載の種類のカセットは、その出願の全ての内容が参照されて盛り込まれ、ここで記載されたセンサ装置及びセンサ装置システムに関連して使用される。また、カセット、カセットアッセンブリ及び以下の出願に記載された種類のマニホールドがここで記載されたセンサ装置及びセンサ装置システムとともに使用される。以下の出願とは、2007年10月12日に出願された米国特許出願第11/871680号の「ポンプカセット」(代理人整理番号DEKA−019XX)、2007年10月12日に出願された米国特許出願第11/871712号の「ポンプカセット」(代理人整理番号DEKA−020XX)、2007年10月12日に出願された米国特許出願第11/871787号の「ポンプカセット」(代理人整理番号DEKA−021XX)、2007年10月12日に出願された米国特許出願第11/871793号の「ポンプカセット」(代理人整理番号DEKA−022XX)、2007年10月12日に出願された米国特許出願第11/871803号の「カセットシステム集積化装置」(代理人整理番号DEKA−023XX)。さらに、「血液透析システム及び方法」と題する米国特許出願(代理人整理番号D0570/70019US00)、及び「カセットシステム集積化装置」と題する
米国特許出願(代理人整理番号F62)ばかりでなく、2007年10月12日に出願された米国特許出願第11/871680号の「ポンプカセット」(代理人整理番号DEKA−019XX)に記載された血液透析システム及び方法といった医療機器を含む多くの機器は、その出願の全ての内容が参照されて盛り込まれる。
こで説明される方法によって例示のカセットに装着され、その方法は接着剤、溶接(超音波若しくはその他の方法)、オーリング、保持プレート及びその他の方法を含む。
ことができる。
図34は本発明の例示の実施形態に従ったシステム10を示す。システム10はベースユニット11及びマニホールドを含む使い捨てユニット16を含んでいる。使い捨てユニット16は一般に、患者の治療の後に破棄されるという点で「使い捨て」という意味である。一方、ベースユニット11は新規の使い捨てユニット16を単に装着することで繰り返し再使用することはが可能である。
の間の熱的及び電気的接続を提供する。他の部材の間では、コントローラ49が熱的及び電気的接続は血液が熱交換バッグ21に流入及び流出するときの血液温度を測定することを許容し、かつ後述するような他の測定(例えば、熱交換バッグ21内の血液や空気の存在や漏出検出を行うもの)の取得を許容する。本実施形態において、サーマルウェル133a,133bの各々は、使い捨てユニット16からベースユニット11への血液温度の良好な伝達をさせるために流体路内に直接存在する(即ち、血液に接する)部位を有するように結合している。その代わりに、または、さらに加えて、サーマルウェル、使い捨てユニット16は、コントローラ49が熱的及び電気的接続は血液が熱交換バッグ21に流入及び流出するときの血液温度を測定する温度プローブ/センサ及びインターフェースを含んでいる。
ここに記載される本発明の様々な実施形態において、センサ装置システムは、センサマニホールドを含んで利用される。センサマニホールドは、対象媒体が一つの環境からセン
サ読込みを得るためにより高い導電性を有する別の環境に移動されることを可能とする。例えば、カセットマニホールドは、検出プローブ等のセンサ装置により好ましくない、温度及び/又は湿度等の環境状態の様々な様式に影響を受けない領域に含まれ得る。あるいはまた、検出装置及び検出装置システムは、繊細であり、システムの他の構成要素より故障し易いプローブを有する。センサマニホールドを使用してシステムの残り部分からセンサ装置とセンサ装置システムとを分離することによって、検出装置と検出装置システムとが、最小限の影響で修理又はシステムの残り部分と取り替えられることが可能となる。あるいはまた、センサマニホールドは、システムの他の構成要素より多く又は少ない頻度のいずれかで取り替えられ得る。
検出装置の多くの異なる実施形態が、上述の図14A〜14B、図15及び図16に示される同様な実施形態を含む、可撓性カセットマニホールドに設置されたサーマルウェルと接続して使用され得る。
ットマニホールド3900の底面縁部(カセットマニホールドが図39に示されるような底面縁部)に位置決めされることがより好ましい。(センサポート2904、3905及び3906と設置されたサーマルウェル5100がカセットの底部流体ライン3903内に延びるように)例示のカセットマニホールド3900の底面縁部に沿ってセンサポート3904、3905、及び3906の位置決めは、図28に示されるセンサ装置との係合を容易に係合し得る。これらの実施形態のある場合には、設置されたサーマルウェル5100を有する例示のカセットマニホールド3900は、センサプローブ6000上に配置され、そして垂直方向下向きに及びセンサプローブ6000上で回転される。
ある実施形態において、検出装置は、カセットの流体ライン内の対象媒体の導電性を検出するために使用される。ある実施形態において、これはさらに温度検出にも使用される。これらの実施形態において、温度及び導電性の両方の検出が所望される場合であって、リード線の2つが温度検出のために使用され、第三のリード線が導電性検出のために使用され得る時は、検出プローブは一般的に少なくとも三つのリード線を含む。
又はコンテナの一部であり、使い捨てされ又は使い捨てされない。
ここで記述される発明の様々な実施形態において、センサマニホールドを備えるセンサ装置を備える、流体処理のためのシステム及び方法が利用される。このような実施形態の例は、様々な形態の透析、心臓バイパス、及び他の体外治療及び療法のような様々な体液及び/又は治療薬のポンピング、測定、計量、制御、及び/又は分析を伴うシステム及び方法の実施形態を含む様々な医学的状態の診断、治療、又は改善のためのシステム及び方法を含むであろう。更なる例は、水処理システム、水分蒸留システム、及び透析液のような診断、治療、又は改善に利用される流体を含む流体を準備するためのシステムを含む流体処理及び準備を含む。
タ4103及び4104、4105及び4106、4107,4108及び4109、4110及び4111、並びに4112及び4113の組の間を延びる。特定の実施形態においては、各流体経路は異なる組成又は特性の対象媒体を収容するであろう。他の実施形態においては、一つ以上の流体経路は同じ又は類似した対象媒体を収容するであろう。特定の実施形態においては、このような流体経路に関連するセンサ装置システムをチェック及び/又は検査すべく、同じ対象媒体が同時に一つより多い流体経路を流れるであろう。
おいては、導電性センサは、センサリードからセンサ機構に信号を伝送する電気接点、制御装置又は他の機器を含むであろう。様々な実施形態において、温度センサは、温度を検出するのに一般に使用される(使用可能である)温度センサのいずれでもあることができる。
合装置(Cassette System Integrated Apparatus)」と名称が付けられた米国特許出願(代理人整理番号F62)において記述された弁及びポンプ機構を含むであろう。
含む。図47は、前述の本発明において記述された発明の流体概略図を示す。
報は、その後血液透析システムに送られるであろう。
例示的な実施形態に加えて、本発明の特許請求の範囲内で考慮される。当業者による変更及び代替は、本発明の特許請求の範囲内であると考えられる。
Claims (19)
- 対象媒体測定のための多数の流体流路を有するセンサシステムであって、同センサシステムは、
少なくとも第1の流体流路と第2の流体流路とを包囲するハウジングを有するセンサマニホールドであって、
前記センサシステムの使用中には、前記第1の流体流路と前記第2の流体流路とは互いに流体連通しておらず、かつ前記第1の流体流路と前記第2の流体流路とは、それぞれ流体入口と流体出口とを有し、
前記センサマニホールドの前記第1の流体流路は、第1のポートを介して液体を受領し、第1のポートの垂直上方に配置された第2のポートを介して前記液体を送出するように構成され、
第1のポートと第2のポートとの上方に配置された第3のポートは、第1のポートから第2のポートに移動する前記液体からガスを脱気するように構成される、センサマニホールドと、
対象媒体の導電性を、前記第1の流体流路と前記第2の流体流路とのそれぞれにおいて測定するためのセンサ装置であって、
同センサ装置は、前記第1の流体流路と前記第2の流体流路とにそれぞれ関連する、別個の導電性センサ群を有し、
前記別個の導電性センサ群のそれぞれは、互いに離間して配置された少なくとも2つの導電性検出プローブを有する、センサ装置とを有し、
前記センサマニホールドは、弁又はポンプ機構を含まない、センサシステム。 - 前記センサ装置はプリント回路基板を有し、前記検出プローブは同プリント回路基板に接続されるとともに、前記第1の流体流路と前記第2の流体流路とに延びる、請求項1に記載のセンサシステム。
- 対象媒体は液体である、請求項1に記載のセンサシステム。
- 前記液体は透析液を含む、請求項3に記載のセンサシステム。
- 前記検出プローブは、それらがそれぞれ関連する前記第1の流体流路と前記第2の流体流路とに延びる、請求項1に記載のセンサシステム。
- 少なくとも1つの前記導電性検出プローブは、サーミスタを含む、請求項1に記載のセンサシステム。
- 前記プリント回路基板はエッジコネクタを有し、同エッジコネクタは前記検出プローブに電気信号を送信するため、および、前記検出プローブからの電気信号を受信するため、の内の少なくとも一方のためのコネクタレシーバと接続されるように構成される、請求項2に記載のセンサシステム。
- 血液透析装置であって、同血液透析装置内において液体を測定するための多数の流体流路を有するセンサシステムを有し、同センサシステムは、
少なくとも第1の流体流路と第2の流体流路とを包囲するハウジングを有するセンサマニホールドであって、
前記センサシステムの使用中には、前記第1の流体流路と前記第2の流体流路とは互いに流体連通しておらず、かつ前記第1の流体流路と前記第2の流体流路とは、それぞれ流体入口と流体出口とを有し、
前記センサマニホールドの前記第1の流体流路は、第1のポートを介して液体を受領し、第1のポートの垂直上方に配置された第2のポートを介して前記液体を送出するように構成され、
第1のポートと第2のポートとの上方に配置された第3のポートは、第1のポートから第2のポートに移動する前記液体からガスを脱気するように構成される、センサマニホールドと、
前記液体の導電性を、前記第1の流体流路と前記第2の流体流路とのそれぞれにおいて測定するためのセンサ装置であって、
同センサ装置は、前記第1の流体流路と前記第2の流体流路とにそれぞれ関連する、別個の導電性センサ群を有し、
前記別個の導電性センサ群のそれぞれは、互いに離間して配置された少なくとも2つの導電性検出プローブを有する、センサ装置とを有し、
前記センサマニホールドは、弁又はポンプ機構を含まない、血液透析装置。 - 前記センサマニホールドの前記第1の流体流路は、水と重炭酸塩緩衝溶液とからなる第1の混合液を受領するように構成され、
前記センサマニホールドの前記第2の流体流路は、前記第1の混合液と、酸または電解質濃縮液とを含む調製済み透析液である、第2の混合液を受領するように構成される、請求項8に記載の血液透析装置。 - 前記別個の導電性センサ群の内、第1の導電性センサ群は前記第1の流体流路に延び、第2の導電性センサ群は前記第2の流体流路に延びる、請求項9に記載の血液透析装置。
- 少なくとも1つの前記導電性検出プローブは、サーミスタを含む、請求項8に記載の血液透析装置。
- 前記センサマニホールドの前記第1の流体流路は、ダイアライザーに送液される透析液を受領するように構成され、
前記センサマニホールドの前記第2の流体流路は、排出されるか、または加熱装置に送液される透析液を受領するように構成され、
前記センサ装置は、前記第1の流体流路と前記第2の流体流路とに延びる温度検出プローブを更に有する、請求項8に記載の血液透析装置。 - 血液透析装置における液体を測定するための多数の流体流路を有するセンサシステムであって、同センサシステムは、
少なくとも第1の流体流路と第2の流体流路とを包囲するハウジングを有するセンサマニホールドであって、
前記センサシステムの使用中には、前記第1の流体流路と前記第2の流体流路とは互いに流体連通しておらず、かつ前記第1の流体流路と前記第2の流体流路とは、それぞれ流体入口と流体出口とを有し、
前記センサマニホールドの前記第1の流体流路は、第1のポートを介して液体を受領し、第1のポートの垂直上方に配置された第2のポートを介して前記液体を送出するように構成され、
第1のポートと第2のポートとの上方に配置された第3のポートは、第1のポートから第2のポートに移動する前記液体からガスを脱気するように構成される、センサマニホールドと、
前記液体の導電性を、前記第1の流体流路と前記第2の流体流路とのそれぞれにおいて検出するためのセンサ装置であって、
同センサ装置は、前記第1の流体流路と前記第2の流体流路とにそれぞれ関連する、別個の導電性センサ群を有し、
前記別個の導電性センサ群のそれぞれは、互いに離間して配置された少なくとも2つの導電性検出プローブを有する、センサ装置と、
前記センサ装置と接続されたコントローラであって、前記第1の流体流路と前記第2の流体流路とにおける前記液体の導電性を監視するように構成されたコントローラとを有し、
前記センサマニホールドは、弁又はポンプ機構を含まない、センサシステム。 - 前記第1の流体流路は、水と重炭酸塩緩衝溶液とからなる第1の混合液を受領するように構成され、
前記第2の流体流路は、前記血液透析装置から送液される、前記第1の混合液と、酸または電解質濃縮液とを含む調製済み透析液である、第2の混合液を受領するように構成され、
前記コントローラは、前記第1の流体流路内の液体の導電性、および前記第2の流体流路内の液体の導電性と、所定の範囲の導電性とを比較し、測定された導電性が所定の範囲外である場合には信号を発する、請求項13に記載のセンサシステム。 - 前記センサ装置は、前記第1の流体流路に延びる第1群の導電性検出プローブと、前記第2の流体流路に延びる第2群の導電性検出プローブとを有する、請求項14に記載のセンサシステム。
- 少なくとも1つの前記導電性検出プローブは、サーミスタを含む、請求項15に記載のセンサシステム。
- 前記第1の流体流路は、ダイアライザーに送液される透析液を受領するように構成され、
前記第2の流体流路は、前記血液透析装置から送液される透析液を受領し、同透析液は排出されるか、または加熱装置に送液されるように構成され、
前記センサ装置は、前記第1の流体流路と前記第2の流体流路とに延びる温度検出プローブを更に有し、
前記コントローラは、前記第1の流体流路内の透析液の温度、および前記第2の流体流路内の透析液の温度と、所定の範囲の温度とを比較し、前記第1の流体流路と前記第2の流体流路とにおける前記透析液の温度測定値に応じて、前記透析液を、前記ダイアライザ
ーに送液する、排出するべく送液する、および加熱装置に送液する、の内の1つを指示する信号を発する、請求項13に記載のセンサシステム。 - 血液透析装置であって、同装置内の液体を測定するための多数の流体流路を有するセンサシステムを有する装置であって、
同センサシステムは、
少なくとも2つの流体流路を有するセンサマニホールドであって、同流体流路は互いに流体連通しておらず、かつそれぞれの前記流体流路は流体入口と流体出口とを有する、センサマニホールドと、
前記流体流路内の液体の少なくとも1つの特性を測定するためのセンサ装置であって、同センサ装置は少なくとも部分的に前記センサマニホールドに含まれ、前記センサマニホールドの第1の流体流路は第1のポートを介して液体を受領し、第1のポートの垂直上方に配置された第2のポートを介して前記液体を送出するように構成され、第1のポートと第2のポートとの上方に配置された第3のポートは、第1のポートから第2のポートに移動する前記液体からガスを脱気するように構成され、
前記センサマニホールドは、弁又はポンプ機構を含まない、装置。 - 前記少なくとも2つの流体流路にそれぞれ関連する、別個の導電性センサ群を有し、前記別個の導電性センサ群は、互いに離間して配置された少なくとも2つの導電性検出プローブを有する、請求項18に記載の装置。
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