JP2020518391A - 細菌学的に制御された流体を生成するためのシステムおよび方法 - Google Patents
細菌学的に制御された流体を生成するためのシステムおよび方法 Download PDFInfo
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- JP2020518391A JP2020518391A JP2019560335A JP2019560335A JP2020518391A JP 2020518391 A JP2020518391 A JP 2020518391A JP 2019560335 A JP2019560335 A JP 2019560335A JP 2019560335 A JP2019560335 A JP 2019560335A JP 2020518391 A JP2020518391 A JP 2020518391A
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Abstract
Description
ある実施の形態によると、前記コントロールユニットが、前記流体回路内を流れる水を、前記加熱デバイスによって熱するよう前記浄水装置に命令するようプログラムされ、かつ、前記ラインセットの加熱殺菌のために前記精製水出口コネクタを通じて前記ラインセットに前記熱せられた水を出すようプログラムされる。この場合、水温は、摂氏85度〜摂氏95度のような摂氏65度以上に加熱されてもよい。
浄水装置は治療と治療との間に、熱水を使用して加熱殺菌されてもよい。この手順は、RO膜およびRO膜の下流の流路を含む流体回路を殺菌する。頻繁な熱水殺菌は流路内のバイオフィルムの蓄積から離れた設計を可能にし、内毒素汚染のリスクを低減し、システムの生体負荷を全体的に最小限にする。
図1は、水ラインコネクタ68が浄水器110の水出口コネクタ128に取り外し可能に接続されていることを示している。ドレインライン56は、浄水器110のドレインコネクタ118に取り外し可能に接続されている。
前処理モジュール160は、入ってくる水を粒子フィルタ及び活性炭ベッドで処理する。粒子フィルタは、入ってくる水から粘土、シルトおよびケイ素などの粒子を除去するように配置される。粒子フィルタは、マイクロメートルのサイズの粒子を、場合によってはより大きな内毒素分子も、入ってくる水から阻止するように配置される。活性炭ベッドは入ってくる水から塩素および塩素を含む組成物を除去し、有毒物質および農薬を吸収するように配置される。例示的な実施の形態では、活性炭ベッドは次亜塩素酸塩、クロラミン、および塩素のうちの1つまたはいくつかを除去するように配置される。さらなる例示的な実施の形態では、活性炭ベッドはまた、流入する水の殺虫剤を含む有機化合物(TOC全有機炭素)を低減するように配置される。
ROモジュール170は、逆浸透の効果によって、細菌、発熱物質、およびイオン性物質などの不純物を前処理水から前処理水から除去する。前処理された水は、ポンプによって加圧され、浸透圧に打ち勝つようにRO膜を通過させられる。RO膜は、例えば半透膜である。それによって、供給水と呼ばれる前処理水のストリームは、水の排除ストリームと透過水のストリームとに分割される。例示的な実施の形態では、排除水は第1排除経路および第2排除経路の一方または両方を介して通されてもよい。第1排除経路は、ROポンプの供給流体経路に排除水を再循環させ、再びROデバイスに再供給される。再循環された排除水はROデバイスへの供給流を増加させ、その結果、RO膜の排除側を通過する十分な流れを得ることができ、RO膜のスケーリングおよび汚れを最小限に抑えることができる。第2排除経路は、排除水をドレインに導く。これにより、排除側の濃度レベルは、適切な、必要とされる透過液濃度を得るのに十分に低くなる。供給水の溶質含有量が低い場合、ドレイン流の一部をRO膜の入口側に戻すこともでき、それによって浄水装置110の水効率を高めることができる。したがって、ROモジュール170は前処理された水を処理し、透過水を下流に位置する後処理モジュール180に送達する。特に、ROデバイスは、前処理された水の導電率を96〜99%低下させる。例えば、ROデバイスに受け取られた前処理水が200〜500μS/cmの導電率を有する場合、ROデバイスはこの量を約10〜20μS/cmに減少させる。透過水、したがってROデバイスからの精製水は、約10〜20μS/cmの導電率を有する。ある実施の形態によれば、ROデバイスは透過水を浄化し、最大30μS/cmの導電性を持たせることができる。特に、ROデバイスは、最大15μS/cmの導電率を有するように透過水を精製することができる。
後処理モジュール180は、透過水からイオンをさらに除去するために透過水を研磨する。透過水は、電気脱イオン、EDI、デバイス、または混合ベッドフィルタデバイスなどの研磨デバイスを使用して研磨される。EDIデバイスは、RO膜を透過したアルミニウム、鉛、カドミウム、クロム、ナトリウムおよび/またはカリウムなどのイオンを、浸透水から除去するために電気脱イオンを利用する。EDIデバイスは電気、イオン交換膜および樹脂を利用して、透過水を脱イオン化し、溶解イオン、すなわち不純物を透過水から分離する。EDIデバイスは、透過水の純度レベルよりも高い純度レベルまでEDIデバイスによって研磨された研磨水を生成する。EDIは生成水の抗菌効果を有することができ、とりわけ、EDIデバイス内の電場のために、水中の細菌および細菌内毒素の量を減少させることができる。混合ベッドフィルタデバイスは、混合ベッドイオン交換材料を有するカラムまたはコンテナを含む。
上述の通り、流体回路404は、ROデバイス301からの精製水を熱するよう構成された加熱デバイス302を含む。加熱デバイス302は、摂氏65度を超える好適な殺菌温度、例えば摂氏80度〜摂氏95度の間の温度まで水を加熱することができる。水は、強力な加熱デバイス302を有することによって、そのような温度に直接加熱されてもよい。あるいは、水は徐々に加熱され、タンク350に再循環され、膜324を通ってROポンプ450によってポンプ輸送され、加熱デバイス302によって再び加熱されてもよい。浄水装置110はさらに、熱せられた精製水を用いて流体回路404を加熱殺菌するよう構成される。次に、加熱された水は、流体回路404内を循環する。流体回路404は、ドレインコネクタ118及び水出口コネクタ128を含むことができる。次いで、浄水装置110は、加熱された精製水を使用して、ドレインコネクタ118および水出口コネクタ128を加熱殺菌するように構成されてもよい。扉(図示せず)は、ドレインコネクタ118及び水出口コネクタ128の上方で、浄水装置110の外部から閉じられる。ホールセンサのような接触センサ345(図6)が、扉が閉じていることを検出すると、流体回路404および/またはコネクタ118、128の殺菌を行うことができる。加熱された水は内部バイパスライン401aを介してコネクタ118、128を介してコネクタ118、128の間を通過し、コネクタ118、128の内側及び外側は、同じ殺菌作業で殺菌される。
Claims (17)
- 統合浄水装置(110)を備えるシステムであって、
前記統合浄水装置(110)は、
水源(398)から水を受けるための水入り口(333)に接続されたプレフィルタ回路(402)であって、粒子フィルタおよび活性炭フィルタが前記水入り口(333)を介して受けた水をフィルタすることによって前処理された水を生成するよう構成される、プレフィルタ回路(402)と、
前記プレフィルタ回路(402)から前処理された水を受けるよう構成された流体回路(404)であって、前記流体回路(404)が、
RO−ポンプ(450)と、
逆浸透、RO、デバイス(301)と、を含む、流体回路(404)と、を含み、
前記浄水装置(110)はさらに、前記RO−ポンプ(450)を用いて前記ROデバイス(301)を通じて前処理された水をポンプし、精製水を生成し、精製水出口コネクタ(128)を通じて前記精製水を出すように構成され、
前記流体回路(404)はさらに、
前記ROデバイス(301)からの精製水を摂氏65度を超える温度に熱するよう構成された加熱デバイス(302)を含み、
前記浄水装置(110)はさらに、前記熱せられた精製水を用いて前記流体回路(404)を加熱殺菌するよう構成され、
前記システム(10a)はさらに、
ラインセット(40)であって、前記ラインセット(40)の水ラインコネクタ(68)において前記精製水出口コネクタ(128)に接続されるラインセット(40)を備え、
前記ラインセット(40)が、前記精製水をフィルタして滅菌精製水とするよう構成された少なくともひとつの滅菌滅菌化グレードフィルタ(70a、70b)を含むシステム。 - 前記ラインセット(40)が再利用可能ラインセットである請求項1に記載のシステム。
- 前記流体回路(404)が、1mL当たり100コロニー形成単位未満の細菌量および1mL当たり0.25内毒素単位未満の細菌内毒素量を伴う精製水を生成するよう構成される請求項1または2に記載のシステム。
- 前記少なくともひとつの滅菌滅菌化グレードフィルタ(70a、70b)が、前記精製水をフィルタリングして、1mL当たりゼロコロニー形成単位の細菌量および1mL当たり0.05内毒素単位未満の細菌内毒素量を伴う滅菌精製水にするよう構成される請求項1から3のいずれか一項に記載のシステム。
- 前記流体回路(404)が、前記ROデバイス(301)からの前記精製水をさらに処理し、さらに浄化された水を出力するよう構成された電気脱イオンユニット、EDIユニット、(306)を含み、
前記流体回路(404)が、前記EDIユニット(306)からの前記精製水を前記水出口コネクタ(128)を通じて出力するよう構成される請求項1から4のいずれか一項に記載のシステム。 - 前記ラインセット(40)がドレインライン(56)を含み、該ドレインライン(56)が前記ドレインライン(56)のドレインラインコネクタ(58)において前記浄水装置(110)のドレインコネクタ(118)に接続され、
前記浄水装置(110)がさらに、前記ラインセット(40)の前記ドレインライン(56)から受けたドレイン流体をドレイン(339)に輸送するための、前記ドレインコネクタ(118)に接続された第1ドレイン経路(384)を備える請求項1から5のいずれか一項に記載のシステム。 - 前記浄水装置(110)がさらに、前記熱せられた精製水を用いて、前記浄水装置(110)の前記ドレインコネクタ(118)と前記水出口コネクタ(128)とを加熱殺菌するよう構成される請求項6に記載のシステム。
- 前記浄水装置(110)は、
前記流体回路(404)内を流れる前記精製水を、前記加熱デバイス(302)によって、摂氏65度を超える温度に、熱するよう前記浄水装置(110)に周期的に命令するようプログラムされ、かつ、所定の殺菌基準が充たされるように前記熱せられた水を用いて前記流体回路(404)の加熱殺菌を制御するようプログラムされるコントロールユニット(112)を含む請求項1から7のいずれか一項に記載のシステム。 - 前記コントロールユニット(112)が、前記流体回路(404)内を流れる水を、前記加熱デバイス(302)によって熱するよう前記浄水装置(110)に命令するようプログラムされ、かつ、前記ラインセット(40)の加熱殺菌のために前記精製水出口コネクタ(128)を通じて前記ラインセット(40)に前記熱せられた水を出すようプログラムされる請求項1から8のいずれか一項に記載のシステムであって、
- 少なくともひとつの濃縮物源(84a、84b)と、
サイクラ(20)と、を備え、
前記サイクラは、
サイクラコントロールユニット(22)と、
前記コントロールユニット(22)によって制御されるよう構成されたポンプアクチュエータ(5)と、を含み、
前記ラインセット(40)は前記サイクラ(20)と共に動作可能であり、かつ、さらに、
前記ポンプアクチュエータ(5)によって駆動されるよう構成されたポンプチャンバ(44)を有するポンピングカセット(42)と、
前記ポンピングカセット(42)と流体連通するミキシングコンテナ(62)と、を備え、
前記サイクラコントロールユニット(22)が、前記精製水と前記少なくともひとつの濃縮物とを混ぜるためのインストラクションを有し、前記インストラクションが、
前記ポンプアクチュエータ(5)に、前記ポンプチャンバ(44)を動作させることで、前記ミキシングコンテナ(62)に前記精製水の第1量をポンプさせることと、
前記ポンプアクチュエータ(5)に、前記ポンプチャンバ(44)を動作させることで、前記ミキシングコンテナ(62)に、前記少なくともひとつの濃縮物源(84a、84b)からの前記少なくともひとつの濃縮物の規定量をポンプさせることと、を行うことを含む請求項1から9のいずれか一項に記載のシステム。 - 前記サイクラコントロールユニット(22)が、前記ラインセット(40)の加熱殺菌を行うためのインストラクションを備え、前記インストラクションが、
(i)前記ポンプアクチュエータ(5)に、前記ラインセット(40)内で熱水を循環させることを含む請求項9または10に記載のシステム。 - システムで細菌学的に制御された流体を生成するための方法であって、前記システムが、加熱殺菌された流体回路を伴う精製水を生成するよう構成された浄水装置と、前記精製水を使用箇所に輸送するために前記浄水装置の水出口コネクタに接続されたラインセットと、を備え、前記方法は、
水源からの水を前記流体回路の逆浸透ユニット、ROユニット、で処理することによって、精製水を生成すること(S1)であって、該精製水が、1mL当たり100コロニー形成単位未満の細菌量および1mL当たり0.25内毒素単位未満の細菌内毒素量を伴う、ことと、
前記精製水出口コネクタおよびそれに接続された前記ラインセットを通るよう前記精製水を導くこと(S3)であって、前記ラインセット(40)が少なくともひとつの滅菌滅菌化グレードフィルタを含み、当該フィルタが、1mL当たりゼロコロニー形成単位の細菌量および1mL当たり0.05内毒素単位未満の細菌内毒素量を伴う滅菌精製水を生成する、ことと、を含む方法。 - 前記システム(1)がサイクラ(20)を備え、
前記方法はさらに、
前記サイクラ(20)のポンプアクチュエータに、前記ラインセットのポンプチャンバを動作させることで、前記ラインセットのミキシングコンテナに前記精製水の第1量をポンプさせること(S41)と、
前記ポンプアクチュエータに、前記ポンプチャンバを動作させることで、前記ミキシングコンテナに、少なくともひとつの濃縮物源からの少なくともひとつの濃縮物の規定量をポンプさせること(S42)と、を含む請求項13に記載の方法。 - 摂氏65度を超える温度に前記生成された精製水を熱すること(S5)と、
前記水出口コネクタを通るように熱せられた前記精製水を導くこと(S6)と、
前記ラインセット内において熱せられた前記精製水を循環させること(S7)と、をさらに含む請求項13または14に記載の方法。 - 前記ROユニットからの精製水を電気脱イオン、EDI、ユニットで処理すること(S2)を含む請求項13から15のいずれか一項に記載の方法。
- インストラクションを備えるコンピュータプログラムであって、該インストラクションは、前記プログラムがコントロールユニットによって実行された場合、請求項1から11のいずれか一項に記載の前記コントロールユニットおよびそれに関するシステムに、請求項12から15のいずれか一項に記載の方法を実行させるコンピュータプログラム。
- インストラクションを備えるコンピュータ可読媒体であって、該インストラクションは、コントロールユニットによって実行された場合、請求項1から11のいずれか一項に記載の前記コントロールユニットおよびそれに関するシステムに、請求項12から15のいずれか一項に記載の方法を実行させるコンピュータ可読媒体。
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US20240009629A1 (en) | 2024-01-11 |
CN110582308A (zh) | 2019-12-17 |
CA3061804A1 (en) | 2018-11-08 |
WO2018228765A1 (en) | 2018-12-20 |
JP7094504B2 (ja) | 2022-07-04 |
MX2019013144A (es) | 2019-12-16 |
WO2018202321A1 (en) | 2018-11-08 |
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