JP6138940B2 - 流体処理カセットのためのばね式で開くシート - Google Patents
流体処理カセットのためのばね式で開くシート Download PDFInfo
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- 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
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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
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- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
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- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/154—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit with sensing means or components thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/155—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit with treatment-fluid pumping means or components thereof
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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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/156—Constructional details of the cassette, e.g. specific details on material or shape
- A61M1/1561—Constructional details of the cassette, e.g. specific details on material or shape at least one cassette surface or portion thereof being flexible, e.g. the cassette having a rigid base portion with preformed channels and being covered with a foil
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
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- A—HUMAN NECESSITIES
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- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
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- A61M2205/00—General characteristics of the apparatus
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- A61M2205/128—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated valves
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Urology & Nephrology (AREA)
- Emergency Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Cardiology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
本出願は、本明細書に参照として援用される、2012年8月28日出願の米国仮特許出願第61/693,804号の利益と優先権を主張する。
Claims (29)
- 表側と裏側とを規定する内壁と、
前記内壁の裏側に関連づけられる少なくとも1つのバルブステーションと、
前記バルブステーションの少なくとも1つに関連づけられる複数の流体流通ポートと、
シートとを備え、
前記シートは、第1の面と第2の面とを有する全体的に柔軟な層と、少なくとも1つの前記バルブステーション内で、前記全体的に柔軟な層の1つの面に関連づけられて前記内壁と前記全体的に柔軟な層との間に位置し、前記シートを前記複数の流体流通ポートの1つから離すように偏向させる偏向部材とを含む、流体処理カセット。 - 前記偏向部材は、前記全体的に柔軟な層と同じ材質で構成されている、請求項1に記載の流体処理カセット。
- 前記偏向部材は、前記全体的に柔軟な層の成形された突起を有する、請求項1または請求項2に記載の流体処理カセット。
- 前記偏向部材は、全体的に弓型である、請求項1から請求項3までのいずれか1項に記載の流体処理カセット。
- 前記偏向部材は全体的にC型である、請求項1から請求項4までのいずれか1項に記載の流体処理カセット。
- 前記偏向部材はバネを備える、請求項1に記載の流体処理カセット。
- 前記偏向部材は発泡インサートを備える、請求項1に記載の流体処理カセット。
- 前記偏向部材は、内壁と全体的に柔軟な層とに係合している、請求項1から請求項7までのいずれか1項に記載の流体処理カセット。
- 前記内壁は、前記偏向部材の1つを受容する流路を含む、請求項1から請求項8までのいずれか1項に記載の流体処理カセット。
- 前記偏向部材は、流体流通ポートの1つを部分的に囲んでいる、請求項1から請求項9までのいずれか1項に記載の流体処理カセット。
- 前記偏向部材が前記流体流通ポートの1つを囲む、請求項1に記載の流体処理カセット。
- 流体処理システムと使い捨て処理セットの組み合わせであって、
流体処理カセットと、バルブアクチュエータとを備え、
前記流体処理カセットは、
表側と裏側とを規定する内壁と、
前記内壁の裏側に関連づけられた少なくとも1つのバルブステーションと、
少なくとも1つの前記バルブステーションに関連づけられた複数の流体流通ポートと、
シートとを備え、
前記シートは、
第1と第2の面を有する全体的に柔軟な層を備え、
少なくとも1つの前記バルブステーション内において、前記全体的に柔軟な層の1つの面に関連づけられて前記内壁と前記全体的に柔軟な層との間に配置される偏向部材とを備え、
前記バルブアクチュエータは、前記カセットの前記シートに係合するように構成されて、前記カセットの前記シートに係合する時、複数の前記流体流通ポートの1つと実質的に直線上に整列されるピストンを含み、
前記ピストンは、前記ピストンが前記シートを前記カセットの前記内壁に向かって押圧して複数の前記流体流通ポートの1つを覆うことによって流体が少なくとも1つの前記バルブステーションを通って流れないようにする伸長位置と、前記ピストンがカセットがから離れて前記シートが複数の前記流体流通ポートの1つを覆わないようにすることによって流体が少なくとも1つの前記バルブステーションを通って流れるようにする引込位置との間で動くように構成され、
前記偏向部材は、前記ピストンが前記伸長位置から前記引込位置に動く時に前記シートを複数の前記流体流通ポートの1つから離すことを補助するように構成されている、流体処理システムと使い捨て処理セットの組み合わせ。 - 前記偏向部材は、前記全体的に柔軟な層と同じ材質で構成されている、請求項12に記載の組み合わせ。
- 前記偏向部材は、全体的に柔軟な層の成形された突起を備える、請求項12または請求項13に記載の組み合わせ。
- 前記偏向部材は全体的に弓型である、請求項12から請求項14までのいずれか1項に記載の組み合わせ。
- 前記偏向部材は全体的にC型である、請求項12から請求項15までのいずれか1項に記載の組み合わせ。
- 前記偏向部材はばねを備える、請求項12に記載の組み合わせ。
- 前記偏向部材は発泡インサートを備える、請求項12に記載の組み合わせ。
- 前記偏向部材は、ピストンが伸長位置と引込位置にある時、内壁と全体的に柔軟な層に係合する、請求項12から請求項18までのいずれか1項に記載の組み合わせ。
- 前記内壁は、前記偏向部材の一端を受容する流路を含む、請求項12から請求項19までのいずれか1項に記載の組み合わせ。
- 前記偏向部材は部分的に前記流体流通ポートの1つを囲む、請求項12から請求項20までのいずれか1項に記載の組み合わせ。
- 前記偏向部材は1つの前記流体流通ポートを囲んでいる、請求項12に記載の組み合わせ。
- 複数の流体流通ポートのある少なくとも1つのバルブステーションを有する流体処理カセットに用いるシートであって、
第1と第2の面を有する全体的に柔軟な層と、
前記全体的に柔軟な層の1つの面に関連づけられてカセットのバルブステーション内に受容されるように構成され、前記シートを前記複数の流体流通ポートの1つから離すように偏向させる偏向部材とを備える、シート。 - 前記偏向部材は全体的に柔軟な層と同じ材質で構成されている、請求項23に記載のシート。
- 前記偏向部材は全体的に柔軟な層の成形された突起を備える、請求項23または請求項24に記載のシート。
- 前記偏向部材は全体的に弓型である、請求項23から請求項25までのいずれか1項に記載のシート。
- 前記偏向部材は全体的にC型である、請求項23から請求項26までのいずれか1項に記載のシート。
- 前記偏向部材はばねを備える、請求項23に記載のシート。
- 前記偏向部材は発泡インサートを備える、請求項23に記載のシート。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261693804P | 2012-08-28 | 2012-08-28 | |
US61/693,804 | 2012-08-28 | ||
PCT/US2013/030130 WO2014035471A1 (en) | 2012-08-28 | 2013-03-11 | Spring-open sheeting for fluid processing cassette |
Publications (2)
Publication Number | Publication Date |
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JP2015526240A JP2015526240A (ja) | 2015-09-10 |
JP6138940B2 true JP6138940B2 (ja) | 2017-05-31 |
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JP2015529784A Active JP6138940B2 (ja) | 2012-08-28 | 2013-03-11 | 流体処理カセットのためのばね式で開くシート |
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Country | Link |
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US (1) | US10010886B2 (ja) |
EP (1) | EP2890421B1 (ja) |
JP (1) | JP6138940B2 (ja) |
CN (1) | CN104602724B (ja) |
AU (1) | AU2013309502B2 (ja) |
IN (1) | IN2015DN00987A (ja) |
WO (1) | WO2014035471A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2012230767A1 (en) | 2011-03-23 | 2013-10-31 | Nxstage Medical, Inc. | Peritoneal dialysis systems, devices, and methods |
DE102014103492A1 (de) * | 2014-03-14 | 2015-09-17 | Fresenius Medical Care Deutschland Gmbh | Flüssigkeitskassette mit kipptoleranter Zentrierverrastung sowie Blutbehandlungsvorrichtung |
DE102014103491A1 (de) * | 2014-03-14 | 2015-09-17 | Fresenius Medical Care Deutschland Gmbh | Blutbehandlungskassette mit Folienventil und unelastischem Abstandhalter sowie Blutbehandlungsvorrichtung |
DE102014103490A1 (de) * | 2014-03-14 | 2015-09-17 | Fresenius Medical Care Deutschland Gmbh | Blutbehandlungskassette mit Folienventil und elastischem Abstandhalter sowie Blutbehandlungsvorrichtung |
EP3207949B1 (en) * | 2016-02-19 | 2018-11-28 | Fenwal, Inc. | System for improved fluid flow control within a fluid circuit cassette |
WO2018237375A1 (en) * | 2017-06-24 | 2018-12-27 | Nxstage Medical, Inc. | METHODS AND SYSTEMS FOR PREPARING AND / OR PROCESSING PERITONEAL DIALYSIS FLUID |
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US20150273471A1 (en) | 2015-10-01 |
CN104602724B (zh) | 2017-02-15 |
AU2013309502B2 (en) | 2017-04-20 |
IN2015DN00987A (ja) | 2015-06-12 |
WO2014035471A1 (en) | 2014-03-06 |
JP2015526240A (ja) | 2015-09-10 |
US10010886B2 (en) | 2018-07-03 |
CN104602724A (zh) | 2015-05-06 |
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