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DE69119420D1 - Verfahren und vorrichtung zur adaptives durchflusskontrolle eines filters - Google Patents

Verfahren und vorrichtung zur adaptives durchflusskontrolle eines filters

Info

Publication number
DE69119420D1
DE69119420D1 DE69119420T DE69119420T DE69119420D1 DE 69119420 D1 DE69119420 D1 DE 69119420D1 DE 69119420 T DE69119420 T DE 69119420T DE 69119420 T DE69119420 T DE 69119420T DE 69119420 D1 DE69119420 D1 DE 69119420D1
Authority
DE
Germany
Prior art keywords
filter
flow control
adaptive flow
adaptive
control
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.)
Expired - Fee Related
Application number
DE69119420T
Other languages
English (en)
Other versions
DE69119420T2 (de
Inventor
Paul Prince
William Callaway
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baxter International Inc
Original Assignee
Baxter International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baxter International Inc filed Critical Baxter International Inc
Application granted granted Critical
Publication of DE69119420D1 publication Critical patent/DE69119420D1/de
Publication of DE69119420T2 publication Critical patent/DE69119420T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/26Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving
    • A61M1/262Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving rotating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/3403Regulation parameters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/3403Regulation parameters
    • A61M1/341Regulation parameters by measuring the filtrate rate or volume
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/22Controlling or regulating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Water Supply & Treatment (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • External Artificial Organs (AREA)
  • Food-Manufacturing Devices (AREA)
DE69119420T 1990-07-10 1991-07-09 Verfahren und vorrichtung zur adaptives durchflusskontrolle eines filters Expired - Fee Related DE69119420T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/551,598 US5069792A (en) 1990-07-10 1990-07-10 Adaptive filter flow control system and method
PCT/US1991/004828 WO1992000769A1 (en) 1990-07-10 1991-07-09 Adaptive filter flow control system and method

Publications (2)

Publication Number Publication Date
DE69119420D1 true DE69119420D1 (de) 1996-06-13
DE69119420T2 DE69119420T2 (de) 1996-12-05

Family

ID=24201922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69119420T Expired - Fee Related DE69119420T2 (de) 1990-07-10 1991-07-09 Verfahren und vorrichtung zur adaptives durchflusskontrolle eines filters

Country Status (6)

Country Link
US (1) US5069792A (de)
EP (1) EP0538385B1 (de)
JP (1) JPH05508584A (de)
CA (1) CA2084890C (de)
DE (1) DE69119420T2 (de)
WO (1) WO1992000769A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5833866A (en) * 1991-12-23 1998-11-10 Baxter International Inc. Blood collection systems and methods which derive instantaneous blood component yield information during blood processing
US5676841A (en) * 1991-12-23 1997-10-14 Baxter International Inc. Blood processing systems and methods which monitor citrate return to the donor
US6007725A (en) 1991-12-23 1999-12-28 Baxter International Inc. Systems and methods for on line collection of cellular blood components that assure donor comfort
US5639382A (en) * 1991-12-23 1997-06-17 Baxter International Inc. Systems and methods for deriving recommended storage parameters for collected blood components
US5681273A (en) * 1991-12-23 1997-10-28 Baxter International Inc. Systems and methods for predicting blood processing parameters
US5730883A (en) 1991-12-23 1998-03-24 Baxter International Inc. Blood processing systems and methods using apparent hematocrit as a process control parameter
US5690835A (en) 1991-12-23 1997-11-25 Baxter International Inc. Systems and methods for on line collection of cellular blood components that assure donor comfort
US5320760A (en) * 1992-12-07 1994-06-14 E. I. Du Pont De Nemours And Company Method of determining filter pluggage by measuring pressures
FR2704432B1 (fr) * 1993-04-27 1995-06-23 Hospal Ind Dispositif d'injection de liquide dans un circuit extracorporel de sang.
US5759413A (en) * 1995-06-07 1998-06-02 Baxter International Inc. Systems and method for estimating platelet counts using a spleen mobilization function
US6527957B1 (en) 1995-08-09 2003-03-04 Baxter International Inc. Methods for separating, collecting and storing red blood cells
US6251284B1 (en) 1995-08-09 2001-06-26 Baxter International Inc. Systems and methods which obtain a uniform targeted volume of concentrated red blood cells in diverse donor populations
US5762791A (en) * 1995-08-09 1998-06-09 Baxter International Inc. Systems for separating high hematocrit red blood cell concentrations
US5964724A (en) * 1996-01-31 1999-10-12 Medtronic Electromedics, Inc. Apparatus and method for blood separation
TW391881B (en) 1996-09-25 2000-06-01 Baxter Int Method and apparatus for filtering suspensions of medical and biological fluids or the like
US5954971A (en) * 1997-01-07 1999-09-21 Haemonetics Corporation Pumped-filter blood-processing apparatus and methods
US6343614B1 (en) 1998-07-01 2002-02-05 Deka Products Limited Partnership System for measuring change in fluid flow rate within a line
US6041801A (en) * 1998-07-01 2000-03-28 Deka Products Limited Partnership System and method for measuring when fluid has stopped flowing within a line
CA2346814A1 (en) 1998-10-16 2000-04-27 Mission Medical, Inc. Blood processing system
US6526357B1 (en) 1999-08-09 2003-02-25 Gambro, Inc. Associated parameter measuring and/or monitoring such as in the evaluation of pressure differences
US6709412B2 (en) 1999-09-03 2004-03-23 Baxter International Inc. Blood processing systems and methods that employ an in-line leukofilter mounted in a restraining fixture
US7169352B1 (en) 1999-12-22 2007-01-30 Gambro, Inc. Extracorporeal blood processing methods and apparatus
ATE366591T1 (de) 1999-12-22 2007-08-15 Gambro Inc Vorrichtung zur extrakorporalen blutbehandlung
US7608053B2 (en) * 2000-01-10 2009-10-27 Caridianbct, Inc. Extracorporeal blood processing methods with return-flow alarm
EP1586339B1 (de) * 2001-04-13 2010-09-08 Asahi Kasei Medical Co., Ltd. Flüssigkeitsfiltrierverfahren
US20050203493A1 (en) * 2002-06-27 2005-09-15 Yasuhiro Kuroda Method for calculating filter clogging factor and bed-side system
JP4373684B2 (ja) * 2003-02-19 2009-11-25 株式会社フィリップスエレクトロニクスジャパン フィルタ目詰まり状況監視装置およびベッドサイドシステム
US7704454B1 (en) * 2003-10-08 2010-04-27 Caridianbct, Inc. Methods and devices for processing blood
US7662139B2 (en) 2003-10-30 2010-02-16 Deka Products Limited Partnership Pump cassette with spiking assembly
US8158102B2 (en) 2003-10-30 2012-04-17 Deka Products Limited Partnership System, device, and method for mixing a substance with a liquid
US7632080B2 (en) 2003-10-30 2009-12-15 Deka Products Limited Partnership Bezel assembly for pneumatic control
US7410587B2 (en) * 2004-08-03 2008-08-12 Scilog, Inc. Liquid handling for filtration and preparative chromatography
US8092414B2 (en) 2005-11-09 2012-01-10 Nxstage Medical, Inc. Diaphragm pressure pod for medical fluids
DE102007036816A1 (de) * 2007-08-03 2009-02-05 Niro-Plan Ag Verfahren und Vorrichtung zum Fördern von Lebensmitteln
US7895084B2 (en) * 2008-05-15 2011-02-22 Doapp, Inc. Method and system for providing purchasing on a wireless device
US8700221B2 (en) 2010-12-30 2014-04-15 Fluid Handling Llc Method and apparatus for pump control using varying equivalent system characteristic curve, AKA an adaptive control curve
WO2012125457A1 (en) * 2011-03-11 2012-09-20 Fenwal, Inc. Membrane separation devices, systems and methods employing same and data management systems and methods
US8840790B2 (en) 2011-04-27 2014-09-23 Fenwal, Inc. Systems and methods of controlling fouling during a filtration procedure
DE112012002327T5 (de) 2011-05-31 2014-03-27 Nxstage Medical, Inc. Druckmessvorrichtung, Verfahren und Systeme
IN2014CN04206A (de) 2011-12-16 2015-07-17 Fluid Handling Llc
US9938970B2 (en) * 2011-12-16 2018-04-10 Fluid Handling Llc Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring
US8608816B2 (en) 2012-01-10 2013-12-17 Buffalo Filter Llc Fluid filtration device and system
US9415160B2 (en) 2012-05-21 2016-08-16 Buffalo Filter Llc Fluid filtration device and system
EP4389872A3 (de) 2015-10-09 2024-09-04 DEKA Products Limited Partnership Fluidpump- und bioreaktorsystem
CN107617337B (zh) * 2016-07-14 2024-07-05 宁波乐惠国际工程装备股份有限公司 一种错流过滤控制方法、错流过滤装置和错流过滤系统
US11299705B2 (en) 2016-11-07 2022-04-12 Deka Products Limited Partnership System and method for creating tissue
JP6268660B1 (ja) * 2017-05-18 2018-01-31 三菱重工環境・化学エンジニアリング株式会社 生物処理装置、生物処理方法、及びプログラム
CN109611687B (zh) * 2018-12-03 2020-05-22 苏州市洋基机电工程有限公司 一种管制液体自动管控系统
EP3998115A4 (de) 2019-07-11 2023-03-22 Asahi Kasei Medical Co., Ltd. Blutbehandlungsfilter
GB2592573A (en) * 2019-12-19 2021-09-08 Leybold France S A S Lubricant-sealed vacuum pump, lubricant filter and method.
DK180834B1 (en) 2020-07-03 2022-05-10 Sd Filtration As Control for filtration process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949734A (en) * 1974-07-22 1976-04-13 Miles Lowell Edwards Fluid pump control system
US4086924A (en) * 1976-10-06 1978-05-02 Haemonetics Corporation Plasmapheresis apparatus
US4285464A (en) * 1979-01-22 1981-08-25 Haemonetics Corporation Apparatus for separation of blood into components thereof
US4401431A (en) * 1981-06-26 1983-08-30 Arp Leon J Blood pump and oxygenator monitor-controller and display device
US4447191A (en) * 1981-12-15 1984-05-08 Baxter Travenol Laboratories, Inc. Control circuit for a blood fractionation apparatus
US4481827A (en) * 1981-12-15 1984-11-13 Baxter Travenol Laboratories, Inc. Blood fractionation apparatus having collection rate display system
US4468219A (en) * 1983-12-20 1984-08-28 International Business Machines Corporation Pump flow rate compensation system
AU4409285A (en) * 1984-06-29 1986-01-24 Hemascience Laboratories Inc. Blood extraction and reinfusion flow control system and method
AU571755B2 (en) * 1984-11-15 1988-04-21 Baxter International Inc. Adaptive filter concentrate flow control system
US4879040A (en) * 1984-11-15 1989-11-07 Baxter International Inc. Adaptive filter concentrate flow control system and method
US4828543A (en) * 1986-04-03 1989-05-09 Weiss Paul I Extracorporeal circulation apparatus

Also Published As

Publication number Publication date
WO1992000769A1 (en) 1992-01-23
DE69119420T2 (de) 1996-12-05
US5069792A (en) 1991-12-03
EP0538385B1 (de) 1996-05-08
CA2084890C (en) 2000-10-03
EP0538385A1 (de) 1993-04-28
JPH05508584A (ja) 1993-12-02
CA2084890A1 (en) 1992-01-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee