JP2013534840A - 透析システム - Google Patents
透析システム Download PDFInfo
- Publication number
- JP2013534840A JP2013534840A JP2013514253A JP2013514253A JP2013534840A JP 2013534840 A JP2013534840 A JP 2013534840A JP 2013514253 A JP2013514253 A JP 2013514253A JP 2013514253 A JP2013514253 A JP 2013514253A JP 2013534840 A JP2013534840 A JP 2013534840A
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- JP
- Japan
- Prior art keywords
- fluid
- flow
- water
- dialysis
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Images
Classifications
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- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/168—Sterilisation or cleaning before or after use
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- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
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- B01D63/082—Flat membrane modules comprising a stack of flat membranes
- B01D63/084—Flat membrane modules comprising a stack of flat membranes at least one flow duct intersecting the membranes
- B01D63/085—Flat membrane modules comprising a stack of flat membranes at least one flow duct intersecting the membranes specially adapted for two fluids in mass exchange flow
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-
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- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0244—Micromachined materials, e.g. made from silicon wafers, microelectromechanical systems [MEMS] or comprising nanotechnology
-
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- C02F1/28—Treatment of water, waste water, or sewage by sorption
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-
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/026—Treating water for medical or cosmetic purposes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2209/03—Pressure
-
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2209/05—Conductivity or salinity
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- C02F2303/04—Disinfection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
- F24H9/0015—Guiding means in water channels
- F24H9/0021—Sleeves surrounding heating elements or heating pipes, e.g. pipes filled with heat transfer fluid, for guiding heated liquid
-
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- F28—HEAT EXCHANGE IN GENERAL
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- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/005—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for medical applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
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- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
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Abstract
Description
本出願は、以下の米国特許出願に関する。(1)2010年6月7日に、発明の名称を「Microfluidic Devices」、名義人をM. Kevin Dros、Goran Jovanovic、Todd Miller、James R. Curtis, Bruce Johnson、Alana Warner-Tuhy、Eric Anderson及びJulie Wrazelとして出願され、2009年6月24日に出願された米国特許仮出願第61/220,117号に基づく優先権を主張する米国特許出願(代理人整理番号245−83052−02)。(2)2010年6月7日に、発明の名称を「Dialysis System With Ultrafiltration Control」、名義人をJames R. Curtis、Ladislaus F. Nonn及びJulie Wrazelとして出願され、2009年12月5日に出願された米国特許仮出願第61/267,043号に基づく優先権を主張する米国特許出願。(3)2010年6月7日に、発明の名称を「Fluid Purification System」、名義人を Richard B. Peterson、James R. Curtis、Hailei Wang、Robbie Ingram-Gobel、Luke W. Fisher及びAnna E. Garrisonとして出願された米国特許出願(代理人整理番号245−84705−01)。上記特許出願の内容は、参照により本明細書に全体的に組み入れられる。
積層体の準備は、積層体の一部又は全体に酸化物を含まないコーティングを施す処理を含み得る。一例として、積層体に金の電気めっきを施すことによる周囲条件の酸化防止があり得る。
所望の精度を実現するために、いくつかの位置決め法が用いられ得る。位置合わせは、例えば、積層体のスタックを受容して、各積層体を何らかの埋込み形状(例えば、隅及び端部)を用いて一直線上に並べる位置決め治具を使って実現され得り、これは、そのような形状が全ての積層体に共通する場合に最も有効である。別の手法として、例えば、穴などの位置決め形状を、他の形状が加工されるのと同時に各積層体に組込むものがある。位置決め治具は、位置決め穴を貫通するピンを組込むために使用される。積層体の端部がこうした精度で正確であるならば、端部位置決め手法によって、積層体を10μ以内の精度で位置合わせすることができる。位置決めピン及び高精度な積層体加工技術を使って、マイクロレベルの位置決めが実行可能となる。
Claims (27)
- 医療システムであって、
水流を濾過することが可能な濾過システムと、
前記水流をノンバッチ処理にて浄化することが可能な水浄化システムと、
1つ又は複数の透析液成分と前記水流とをノンバッチ処理にて混合することにより、透析液流を生成することが可能な混合システムと、
透析装置システムと
を備え、
前記透析装置システムは、
前記透析液流を前記血液流から分離して血液流の透析を促進する膜を有し、前記透析液流及び前記血液流に流体連結可能なマイクロ液体透析装置又は流れ場透析装置と、
前記透析液流を前記透析装置に送ることが可能な複数のポンプと、
前記血液流の透析時に、当該血液流に対して限外濾過処理及び血液透析濾過処理の一方又は両方を行うため、前記複数のポンプに動作可能に連結され、当該複数のポンプのうち1つ又は複数のポンプを介して前記透析液流の流速を制御することが可能な制御装置と
を有する、
医療システム。 - 請求項1記載の医療システムにおいて、
前記水浄化システムは、超高温度の殺菌水流を生成する
医療システム。 - 請求項1記載の医療システムにおいて、
前記水浄化システムは、熱交換システムを有し、当該熱交換システムは、
水入口及び水出口を有する流体流路を有し、当該流体流路はさらに、
(a)水が第一温度で第一方向に流れる第一領域と、
(b)前記第一領域の下流のヒータ領域であり、当該ヒータ領域を流れる水に熱を伝達して、当該ヒータ領域を流れる水の温度を、前記第一温度より高い第二温度まで上昇させる少なくとも1つのヒータを有するヒータ領域と、
(c)水が前記第一温度より高い温度で第二方向に流れる、前記ヒータ領域の下流の第二領域と
を有し、
前記第二領域を流れる水は、前記第一領域を流れる水と熱連通しており、水が前記第二領域を流れると、当該第二領域を流れる水から前記第一領域を流れる水に熱が移動して、当該第二領域を流れる水の温度が低下し、
水は、前記第二温度より低い温度で、前記出口を通って前記流体流路から流出する
医療システム。 - 請求項3記載の医療システムにおいて、
前記流体流路の少なくとも一部は、少なくとも1つのマイクロチャネルである
医療システム。 - 請求項3記載の医療システムにおいて、
前記流体流路はさらに、
(d)前記ヒータ領域の下流かつ前記第二領域の上流のドウェルチャンバを有し、
前記水が、前記第二領域へと流れ込む前に、当該ドウェルチャンバにおいて、前記第二温度以上の温度で当該ドウェルチャンバ内の流体の流速に関連して少なくとも所定時間滞留する
医療システム。 - 請求項3記載の医療システムにおいて、
前記第二温度は、摂氏138度以上である
医療システム。 - 請求項3記載の医療システムにおいて、当該医療システムは、
前記水入口の上流のポンプと、
前記水出口の下流の絞り弁と
をさらに有し、
前記ポンプ及び前記絞り弁は、閉ループ制御の形で配置されており、前記流体流路内の水を、当該水の状態がシステム内のどこにおいても変化しないよう、飽和圧力より高い状態に保つ
医療システム。 - 請求項3記載の医療システムにおいて、
前記第一領域、前記ヒータ領域、ドウェル領域及び前記第二領域は、単一の積層体本体に含まれる
医療システム。 - 請求項1記載の医療システムにおいて、
前記透析装置は、
動作中にその周囲を前記血液流が流れる第一の支持構造体のセットを有する第一流れ場と、
動作中にその周囲を前記透析液流が流れる第二の支持構造体のセットを有する第二流れ場と
を有し、
前記膜は、
前記第一及び第二流れ場の間に配された物質移動層であり、当該層を介して動作時は血液透析が行われる物質移動層
を有する
医療システム。 - 請求項1記載の医療システムにおいて、
前記複数のポンプは、
前記透析液流に流体連結され、当該透析液流を、流体入口流路を通して前記透析装置に送るよう構成された第一ポンプと、
前記透析装置からの流体出口流路に連結され、前記流体を、当該流体出口流路を通して前記透析装置から送り出すよう構成された第二ポンプと、
前記流体出口流路に連結された第三ポンプと
を有する
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、動作中に血液への流体の追加及び血液からの流体の除去が実質的に行われないよう、前記第一、第二及び第三ポンプを作動させて、前記入口流路及び前記出口流路における前記流体の流速のバランスを保つ
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、動作中に血液から所望量の流体が除去されるよう、前記第一、第二及び第三ポンプを作動させて、前記入口流路及び前記出口流路における前記流体の流速のバランスを保つ
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、動作期間中に血液に所望量の流体が追加されるよう、前記第一、第二及び第三ポンプを作動させて、前記入口流路及び前記出口流路における前記流体の流速のバランスを保つ
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、前記第一、第二及び第三ポンプを作動させて、当該第三ポンプには低速及び高速を繰り返させることにより、前記血液に対するネット増加を実質的に生じさせること無く、所望の血液透析濾過レベルを実現する
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、前記第一、第二及び第三ポンプを作動させて、当該第三ポンプには低速及び高速を繰り返させることにより、所望の血液透析濾過レベル及び前記血液への流体追加の所望速度を実現する
医療システム。 - 請求項10記載の医療システムにおいて、
前記制御装置は、前記第一、第二及び第三ポンプを作動させて、前記第三ポンプには低速及び高速を繰り返させることにより、所望の血液透析濾過レベル及び前記血液からの流体除去の所望速度を実現する
医療システム。 - 透析システムであって、
家庭用水流をノンバッチ処理にて処理し、超高温度の殺菌水流を生成するよう適合された水浄化システムと、
前記超高温度の殺菌水流を透析液成分と混合して、透析液を生成するよう適合された透析液準備システムと、
血液が流れる血液流路及び前記透析液が流れる透析液流路を有し、前記血液に対して透析を行うよう適合された透析装置と
を有する透析システム。 - 請求項17記載の透析システムにおいて、当該透析システムは、
前記透析装置への前記透析液の流れ及び前記透析装置からの前記透析液の流れを調節する流れバランスシステムをさらに有し、
前記流れバランスシステムはさらに、
前記透析装置への流体入口流路に連結され、透析液を、当該流体入口流路を通して前記透析装置に送るよう構成された第一ポンプと、
前記透析装置からの流体出口流路に連結され、前記流体を、当該流体出口流路を通して前記透析装置から送り出すよう構成された第二ポンプと、
前記流体出口流路に連結され、前記第二ポンプと協働して、前記透析装置を流れる前記血液へと流れる流体の所望の流速及び前記血液から流れる流体の所望の流速を実現するよう構成された第三ポンプと
を有する
透析システム。 - 請求項18記載の透析システムにおいて、
前記流体出口流路は、主要出口流路と補助出口流路とに分岐しており、前記第二ポンプは、当該主要出口流路に連結され、前記第三ポンプは、当該補助出口流路に連結されている
透析システム。 - 請求項17記載の透析システムにおいて、
前記水浄化システムは、熱交換システムを有し、当該熱交換システムは、
水入口及び水出口を有する流体流路を有し、当該流体流路はさらに、
(a)水が第一温度で第一方向に流れる第一領域と、
(b)前記第一領域の下流のヒータ領域であり、当該ヒータ領域を流れる水に熱を伝達して、当該ヒータ領域を流れる水の温度を、前記第一温度より高い第二温度まで上昇させる少なくとも1つのヒータを有するヒータ領域と、
(c)水が前記第一温度より高い温度で第二方向に流れる、前記ヒータ領域の下流の第二領域と
を有し、
前記第二領域を流れる水は、前記第一領域を流れる水と熱連通しており、水が前記第二領域を流れると、当該第二領域を流れる水から前記第一領域を流れる水に熱が移動して、当該第二領域を流れる水の温度が低下し、
水は、前記第二温度より低い温度で、前記出口を通って前記流体流路から流出する
透析システム。 - 請求項20記載の透析システムにおいて、
前記流体流路の少なくとも一部は、少なくとも1つのマイクロチャネルまたは少なくとも一つの流れ場である
透析システム。 - 請求項20記載の透析システムにおいて、
前記流体流路はさらに、
(d)前記ヒータ領域の下流かつ前記第二領域の上流のドウェルチャンバを有し、
前記水が、前記第二領域へと流れ込む前に、当該ドウェルチャンバにおいて、前記第二温度以上の温度で当該ドウェルチャンバ内の流体の流速に関連して少なくとも所定時間滞留する
透析システム。 - 請求項20記載の透析システムにおいて、
前記第二温度は、摂氏138度以上である
透析システム。 - 請求項20記載の透析システムにおいて、当該透析システムは、
ポンプ上流と、
前記水出口の下流の絞り弁と
をさらに有する
透析システム。 - 請求項24記載の透析システムにおいて、
前記ポンプ及び前記絞り弁は、閉ループ制御の形で配置されており、前記流体流路内の水を、当該水の状態がシステム内のどこにおいても変化しないよう、飽和圧力より高い状態に保つ
透析システム。 - 請求項20記載の透析システムにおいて、
前記第一領域、前記ヒータ領域、ドウェル領域及び前記第二領域は、単一の積層体本体に含まれる
透析システム。 - 請求項17記載の透析システムであって、
乾燥時に5ポンド未満の重量を有する
透析システム。
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EP2576024B1 (en) | 2019-10-16 |
ES2780348T3 (es) | 2020-08-25 |
JP5879338B2 (ja) | 2016-03-08 |
CA2801196A1 (en) | 2011-12-15 |
EP2576024A1 (en) | 2013-04-10 |
US10668201B2 (en) | 2020-06-02 |
US8801922B2 (en) | 2014-08-12 |
CN105288762A (zh) | 2016-02-03 |
CN105288762B (zh) | 2017-10-24 |
CN103153442A (zh) | 2013-06-12 |
US20140299545A1 (en) | 2014-10-09 |
CN103153442B (zh) | 2015-11-25 |
US9895480B2 (en) | 2018-02-20 |
EP2576024A4 (en) | 2017-05-03 |
HK1218519A1 (zh) | 2017-02-24 |
CA2801196C (en) | 2017-03-21 |
WO2011156279A1 (en) | 2011-12-15 |
US20180126056A1 (en) | 2018-05-10 |
US20100326916A1 (en) | 2010-12-30 |
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