JP6995916B2 - 体液から物質を濾過する為の接線流フィルターシステム - Google Patents
体液から物質を濾過する為の接線流フィルターシステム Download PDFInfo
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- JP6995916B2 JP6995916B2 JP2020061483A JP2020061483A JP6995916B2 JP 6995916 B2 JP6995916 B2 JP 6995916B2 JP 2020061483 A JP2020061483 A JP 2020061483A JP 2020061483 A JP2020061483 A JP 2020061483A JP 6995916 B2 JP6995916 B2 JP 6995916B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
- A61M1/884—Draining devices provided with means for filtering out the harmless water content before discarding the drainage container
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/149—Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/32—Controlling or regulating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0464—Cerebrospinal fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3327—Measuring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/11—Laminar flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/005—Parameter used as control input for the apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/06—Specific process operations in the permeate stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/12—Addition of chemical agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/16—Flow or flux control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/12—Specific discharge elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/18—Specific valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/08—Fully permeating type; Dead-end filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/10—Cross-flow filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/02—Elements in series
- B01D2317/022—Reject series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/04—Elements in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/08—Use of membrane modules of different kinds
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Description
Claims (15)
- 被験者の脳脊髄液(CSF)を含む腔所からCSFを含む一定の量の流体を第1の流速で抜き取るように構成されたシステムであって、前記システムは、
前記流体を第1の透過液と第1の残留液とに濾過する為の第1の接線流フィルターを含み、第1のパラメータセットに従って動作する第1の濾過システムと、
第1の濾過システムに連通する第2の接線流フィルターを含み、第1の残留液を第2の透過液と第2の残留液とに濾過する第2の濾過システムであって、第2のパラメータセットに従って動作する前記第2の濾過システムと、
第1の濾過システムおよび第2の濾過システムに連通して、第1の透過液と第2の透過液とを混合して混合透過液を生成する結合器と、
前記システムは、第2の流速で前記結合器から前記被験者のCSFを含む腔所に前記混合透過液を戻すようにさらに構成されていることと、
前記流体の特性を計測するための検出器と、
前記システムは、計測された前記特性が予め設定された閾値を超えたとの判断に応答して測定された前記特性に基づいて、第1の動作パラメータセットまたは第2の動作パラメータセットのうちの少なくとも1つのパラメータを更新することと、
を備える、CSFを濾過する為のシステム。 - 第1の残留液の流量特性を調節する流量調節器をさらに備え、前記流量調節器は、第1の濾過システムと第2の濾過システムとの間に配置される、請求項1に記載のシステム。
- 前記結合器は、流量調節器の機構を備える、請求項1に記載のシステム。
- 前記第1の流速と前記第2の流速とは、同一である、請求項1に記載のシステム。
- 前記システムは、前記検出器と通信状態にある処理装置を含み、前記処理装置は、測定した前記特性が予め設定された閾値を超えたとの判断に基づいて、第1の動作パラメータセットまたは第2の動作パラメータセットのうちの少なくとも1つのパラメータを更新する、請求項1に記載のシステム。
- 前記システムは、第1の接線流フィルターおよび第2の接線流フィルターに連通するポンプを含む、請求項1に記載のシステム。
- 前記パラメータの更新は、前記第1の流速および前記第2の流速を増加させる、請求項1に記載のシステム。
- 前記システムは、前記腔所内に挿入された複数の管腔を有するカテーテルを介して前記被験者のCSFを含む腔所に連通する、請求項1に記載のシステム。
- 前記少なくとも1つのパラメータは、前記第1の流速を含む、請求項1に記載のシステム。
- 前記少なくとも1つのパラメータは、前記第2の流速を含む、請求項1に記載のシステム。
- 前記少なくとも1つのパラメータの更新は、前記第1の流速および前記第2の流速を同一にする、請求項1に記載のシステム。
- 前記流体の第2の特性を計測するための第2の検出器をさらに備え、前記第2の特性は、1時間当たりの除去されたCSFの総量であり、前記1時間当たりの除去されたCSFの総量は、1時間当たりの抜き取られた流体の総量から1時間当たりの戻された流体の総量を引いたものである、請求項1に記載のシステム。
- 前記システムは、第2の特性が第2の閾値を超えた否かを判断するように構成され、前記第2の閾値は、前記1時間当たりの除去されたCSFの総量が脊髄性頭痛を誘導することが予測されるレベルに達した時の値である、請求項12に記載のシステム。
- 前記システムは、前記第2の特性が前記第2の閾値を超えたとの判断に応答して第2のパラメータを更新し、前記第2のパラメータは、流速パラメータを含み、前記第2のパラメータの更新は、前記第1の流速および前記第2の流速を減速させる、請求項13に記載のシステム。
- 前記CSFを含む腔所から抜き取られる流体の速度は、約0.04~約30ミリリットル/分である、請求項1に記載のシステム。
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EP (2) | EP3331586B1 (ja) |
JP (2) | JP7166915B2 (ja) |
CN (1) | CN108367102B (ja) |
AU (3) | AU2016304020B2 (ja) |
CA (1) | CA2994669C (ja) |
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EP3691730A1 (en) * | 2017-10-05 | 2020-08-12 | Minnetronix Inc. | Systems, catheters, and methods for treating along the central nervous system |
AU2019298242B2 (en) * | 2018-07-02 | 2022-09-15 | Minnetronix Neuro, Inc. | Systems, catheters, and methods for treating along the central nervous system |
AU2021271803B2 (en) * | 2020-05-11 | 2024-09-26 | Minnetronix Neuro, Inc. | Filtering cassettes and filtering systems |
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WO2010123558A1 (en) | 2009-04-22 | 2010-10-28 | Neurofluidics, Inc. | Programmable system for conditioning of cerebrospinal fluid |
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ES2797223T3 (es) | 2020-12-01 |
AU2019283901B2 (en) | 2021-05-20 |
CA2994669A1 (en) | 2017-02-09 |
EP3714915A1 (en) | 2020-09-30 |
EP3331586A1 (en) | 2018-06-13 |
CN108367102B (zh) | 2021-04-30 |
JP7166915B2 (ja) | 2022-11-08 |
CN108367102A (zh) | 2018-08-03 |
AU2016304020B2 (en) | 2019-09-19 |
CA2994669C (en) | 2020-11-17 |
AU2021218067B2 (en) | 2023-03-16 |
JP2018523524A (ja) | 2018-08-23 |
AU2016304020A1 (en) | 2018-02-22 |
US20210077951A1 (en) | 2021-03-18 |
ES2906952T3 (es) | 2022-04-21 |
EP3331586B1 (en) | 2020-04-29 |
US20230120296A1 (en) | 2023-04-20 |
EP3714915B1 (en) | 2021-11-03 |
AU2021218067A1 (en) | 2021-09-09 |
AU2019283901A1 (en) | 2020-01-23 |
WO2017023419A1 (en) | 2017-02-09 |
JP2020124526A (ja) | 2020-08-20 |
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