DE3475872D1 - Single needle blood fractionation system having adjustable recirculation through filter - Google Patents

Single needle blood fractionation system having adjustable recirculation through filter

Info

Publication number
DE3475872D1
DE3475872D1 DE8484303509T DE3475872T DE3475872D1 DE 3475872 D1 DE3475872 D1 DE 3475872D1 DE 8484303509 T DE8484303509 T DE 8484303509T DE 3475872 T DE3475872 T DE 3475872T DE 3475872 D1 DE3475872 D1 DE 3475872D1
Authority
DE
Germany
Prior art keywords
filter
single needle
fractionation system
blood fractionation
needle blood
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
Application number
DE8484303509T
Other languages
English (en)
Inventor
Arnold C Bilstad
Richard I Brown
Robert J Kruger
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 DE3475872D1 publication Critical patent/DE3475872D1/de
Expired 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
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/30Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
    • 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
    • A61M1/30Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
    • A61M1/301Details
    • A61M1/303Details having a reservoir for treated blood to be returned
    • 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
    • A61M1/30Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
    • A61M1/301Details
    • A61M1/305Control of inversion point between collection and re-infusion phase
    • A61M1/308Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing
    • 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
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3601Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit
    • A61M1/3603Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit in the same direction
    • 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
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3616Batch-type treatment
    • 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
    • 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
    • A61M2205/3379Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3382Upper level detectors
    • 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
    • A61M2205/3379Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386Low level detectors

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • Cardiology (AREA)
  • External Artificial Organs (AREA)
DE8484303509T 1983-05-26 1984-05-24 Single needle blood fractionation system having adjustable recirculation through filter Expired DE3475872D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/498,581 US4605503A (en) 1983-05-26 1983-05-26 Single needle blood fractionation system having adjustable recirculation through filter

Publications (1)

Publication Number Publication Date
DE3475872D1 true DE3475872D1 (en) 1989-02-09

Family

ID=23981651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303509T Expired DE3475872D1 (en) 1983-05-26 1984-05-24 Single needle blood fractionation system having adjustable recirculation through filter

Country Status (5)

Country Link
US (1) US4605503A (de)
EP (1) EP0128683B1 (de)
JP (1) JPS605164A (de)
CA (1) CA1261217A (de)
DE (1) DE3475872D1 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721564A (en) * 1985-10-22 1988-01-26 Kuraray Co., Ltd. Apparatus for the filtration of plasma from blood
WO1988001193A1 (en) * 1986-08-11 1988-02-25 Hemascience Laboratories, Inc. Blood cell washing systems and methods
US5232437A (en) * 1986-10-15 1993-08-03 Baxter International Inc. Mobile, self-contained blood collection system and method
US4911703A (en) * 1986-10-15 1990-03-27 Baxter International Inc. Mobile, self-contained blood collection system and method
US4842576A (en) * 1986-10-15 1989-06-27 Baxter International Inc. System for generating substantially constant fluid pressure
US4898573A (en) * 1986-10-29 1990-02-06 Asahi Medical Co., Ltd. Blood components collector unit
US5370802A (en) * 1987-01-30 1994-12-06 Baxter International Inc. Enhanced yield platelet collection systems and methods
US5573678A (en) * 1987-01-30 1996-11-12 Baxter International Inc. Blood processing systems and methods for collecting mono nuclear cells
US5656163A (en) 1987-01-30 1997-08-12 Baxter International Inc. Chamber for use in a rotating field to separate blood components
US5792372A (en) * 1987-01-30 1998-08-11 Baxter International, Inc. Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma
US4769001A (en) * 1987-02-25 1988-09-06 Baxter International Inc. Method and apparatus for calibrating plural pump fluid flow system
US4850998A (en) * 1987-10-07 1989-07-25 Baxter International Inc. Method for wetting a plasmapheresis filter with anticoagulant
US5188588A (en) * 1987-11-25 1993-02-23 Baxter Internatonal Inc. Single needle continuous hemapheresis apparatus and methods
US4851126A (en) * 1987-11-25 1989-07-25 Baxter International Inc. Apparatus and methods for generating platelet concentrate
US4954128A (en) * 1988-08-23 1990-09-04 Baxter International Inc. Therapeutics plasma exchange system
US5009634A (en) * 1989-01-11 1991-04-23 The University Of Virginia Alumni Patents Foundation Metabolic catheter
US4964976A (en) * 1989-04-04 1990-10-23 Lysaght Michael J Optimized filter and method
ATE138581T1 (de) * 1990-03-30 1996-06-15 Baxter Int Isolations-, mess- und alarmsystem für flüssigkeit von mehreren quellen sowie entsprechendes verfahren
US5135667A (en) * 1990-06-14 1992-08-04 Baxter International Inc. Method and apparatus for administration of anticoagulant to red cell suspension output of a blood separator
AU647151B2 (en) * 1990-06-14 1994-03-17 Baxter International Inc. Needle assembly for reduced coagulation
US5171456A (en) * 1990-06-14 1992-12-15 Baxter International Inc. Automated blood component separation procedure and apparatus promoting different functional characteristics in multiple blood components
US5112298A (en) * 1990-06-25 1992-05-12 Baxter International Inc. Apheresis method and device
GB2246718B (en) * 1990-07-06 1995-01-18 Limited Renalaid Fluid control apparatus
US5178603A (en) * 1990-07-24 1993-01-12 Baxter International, Inc. Blood extraction and reinfusion flow control system and method
IT1244805B (it) * 1990-11-22 1994-09-05 Roerig Farmaceutici Italiana S Circuito extracorporeo di plasmaferesi ad ago singolo
US5234608A (en) * 1990-12-11 1993-08-10 Baxter International Inc. Systems and methods for processing cellular rich suspensions
DE4129639C1 (de) * 1991-09-06 1993-02-11 Fresenius Ag, 6380 Bad Homburg, De
US5804079A (en) * 1991-12-23 1998-09-08 Baxter International Inc. Systems and methods for reducing the number of leukocytes in cellular products like platelets harvested for therapeutic purposes
AU652888B2 (en) * 1991-12-23 1994-09-08 Baxter International Inc. Centrifugal processing system with direct access drawer
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
WO1993012888A1 (en) * 1991-12-23 1993-07-08 Baxter International Inc. Centrifuge with separable bowl and spool elements providing access to the separation chamber
US5549834A (en) * 1991-12-23 1996-08-27 Baxter International Inc. Systems and methods for reducing the number of leukocytes in cellular products like platelets harvested for therapeutic purposes
JPH05192395A (ja) * 1992-06-23 1993-08-03 Terumo Corp 血漿採取装置
JPH0647818A (ja) * 1992-07-30 1994-02-22 Sekisui Plastics Co Ltd 製函装置
EP0801576B1 (de) * 1992-12-01 2000-05-24 Haemonetics Corporation Vorrichtung zur apherese von roten blutkörperchen
US5427695A (en) * 1993-07-26 1995-06-27 Baxter International Inc. Systems and methods for on line collecting and resuspending cellular-rich blood products like platelet concentrate
US5709670A (en) * 1994-05-03 1998-01-20 Aquintel, Inc. Surgical fluid and tissue loss monitor
AU4766896A (en) * 1995-02-09 1996-08-27 First Medical, Inc. Peristaltic system and method for plasma separation
US5961842A (en) * 1995-06-07 1999-10-05 Baxter International Inc. Systems and methods for collecting mononuclear cells employing control of packed red blood cell hematocrit
US5762791A (en) * 1995-08-09 1998-06-09 Baxter International Inc. Systems for separating high hematocrit red blood cell concentrations
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
US5731824A (en) * 1995-12-18 1998-03-24 Xerox Corporation Ink level sensing system for an ink jet printer
US5637082A (en) * 1996-02-22 1997-06-10 Haemonetics Corporation Adaptive apheresis apparatus
US5906589A (en) * 1996-11-13 1999-05-25 Cobe Laboratories, Inc. Method and apparatus for occlusion monitoring using pressure waveform analysis
US6027657A (en) * 1997-07-01 2000-02-22 Baxter International Inc. Systems and methods for collecting diluted mononuclear cells
US5980760A (en) * 1997-07-01 1999-11-09 Baxter International Inc. System and methods for harvesting mononuclear cells by recirculation of packed red blood cells
US6027441A (en) * 1997-07-01 2000-02-22 Baxter International Inc. Systems and methods providing a liquid-primed, single flow access chamber
US6113554A (en) * 1998-10-16 2000-09-05 Haemonetics Corporation Automatic whole blood collection system
JP4638986B2 (ja) 1998-10-16 2011-02-23 テルモ メディカル コーポレイション 血液処理装置
US7041076B1 (en) * 1999-09-03 2006-05-09 Baxter International Inc. Blood separation systems and methods using a multiple function pump station to perform different on-line processing tasks
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
US6875191B2 (en) * 1999-09-03 2005-04-05 Baxter International Inc. Blood processing systems and methods that alternate flow of blood component and additive solution through an in-line leukofilter
US6636010B1 (en) * 2001-10-01 2003-10-21 Zevex, Inc. Precision dosage apparatus, system and method
US6994790B2 (en) * 2002-02-01 2006-02-07 Gambro, Inc. Whole blood collection and processing method
US7186230B2 (en) * 2002-03-04 2007-03-06 Therakos, Inc Method and apparatus for the continuous separation of biological fluids into components
US20040127840A1 (en) * 2002-03-04 2004-07-01 Steve Gara Blood separation apparatus and method of using the same
US7479123B2 (en) * 2002-03-04 2009-01-20 Therakos, Inc. Method for collecting a desired blood component and performing a photopheresis treatment
US7211037B2 (en) * 2002-03-04 2007-05-01 Therakos, Inc. Apparatus for the continuous separation of biological fluids into components and method of using same
CA2489936A1 (en) * 2002-07-09 2004-01-15 Gambro Lundia Ab A support element for an extracorporeal fluid transport line
WO2005044428A1 (en) * 2003-11-07 2005-05-19 Gambro Lundia Ab End-cap assembly with pump hose for a filter and filter comprising such an end-cap assembly
AU2004286782B2 (en) 2003-11-07 2010-08-26 Gambro Lundia Ab Fluid distribution module and extracorporeal blood circuit including such a module
US8048209B2 (en) * 2003-11-24 2011-11-01 Gambro Lundia Ab Degassing device and end-cap assembly for a filter including such a degassing device
US7384549B2 (en) 2005-12-29 2008-06-10 Spf Innovations, Llc Method and apparatus for the filtration of biological solutions
ATE536195T1 (de) * 2007-10-04 2011-12-15 Gambro Lundia Ab Infusionsgerät
JP5202005B2 (ja) 2008-01-22 2013-06-05 テルモ株式会社 液体回収バッグおよび体外循環回路
US8454548B2 (en) 2008-04-14 2013-06-04 Haemonetics Corporation System and method for plasma reduced platelet collection
US8628489B2 (en) 2008-04-14 2014-01-14 Haemonetics Corporation Three-line apheresis system and method
US8702637B2 (en) 2008-04-14 2014-04-22 Haemonetics Corporation System and method for optimized apheresis draw and return
US8834402B2 (en) 2009-03-12 2014-09-16 Haemonetics Corporation System and method for the re-anticoagulation of platelet rich plasma
EP2343092B2 (de) 2009-12-22 2016-07-13 Gambro Lundia AB Verfahren und Vorrichtung zur Steuerung einer Strömungsrate in einer Flüssigkeitstransportleitung einer medizinischen Vorrichtung
US11901069B2 (en) 2010-08-12 2024-02-13 Fenwal, Inc. Processing blood donation data for presentation on operator interface
US8676600B2 (en) 2010-08-12 2014-03-18 Fenwal, Inc Mobile applications for blood centers
JP5490966B2 (ja) 2010-11-05 2014-05-14 ヘモネティクス・コーポレーション 自動化された血小板洗浄のためのシステムおよび方法
US9302042B2 (en) 2010-12-30 2016-04-05 Haemonetics Corporation System and method for collecting platelets and anticipating plasma return
US11386993B2 (en) 2011-05-18 2022-07-12 Fenwal, Inc. Plasma collection with remote programming
US10758652B2 (en) 2017-05-30 2020-09-01 Haemonetics Corporation System and method for collecting plasma
US10792416B2 (en) 2017-05-30 2020-10-06 Haemonetics Corporation System and method for collecting plasma
JP6976458B2 (ja) 2018-05-21 2021-12-08 フェンウォール、インコーポレイテッド 血漿収集量を最適化するためのシステムおよび方法
US11412967B2 (en) 2018-05-21 2022-08-16 Fenwal, Inc. Systems and methods for plasma collection

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472765A (en) * 1968-06-10 1969-10-14 Dorr Oliver Inc Membrane separation in biological-reactor systems
US3567031A (en) * 1969-05-29 1971-03-02 Amicon Corp Autoagitating ultrafiltration apparatus
US3705100A (en) * 1970-08-25 1972-12-05 Amicon Corp Blood fractionating process and apparatus for carrying out same
US3682172A (en) * 1971-01-04 1972-08-08 Frank B Freedman Parabiotic dialysis apparatus
US3699960A (en) * 1971-01-04 1972-10-24 Frank B Freedman Parabiotic dialysis apparatus
US3846236A (en) * 1971-10-22 1974-11-05 Wisconsin Alumni Res Found Method and apparatus for dialysis
US3802432A (en) * 1972-05-18 1974-04-09 I Djerassi Apparatus for filtration-leukopheresis for separation and concentration of human granulocytes
US3927980A (en) * 1973-08-22 1975-12-23 Baxter Laboratories Inc Oxygen overpressure protection system for membrane-type blood oxygenators
US3967777A (en) * 1973-09-10 1976-07-06 Exxon Research And Engineering Company Apparatus for the treatment of tar sand froth
US3890969A (en) * 1974-01-21 1975-06-24 Baxter Laboratories Inc Cardiopulmonary bypass system
US4013564A (en) * 1975-03-17 1977-03-22 Takeda Chemical Industries, Ltd. Multipurpose metabolic assist system
US4026669A (en) * 1975-07-14 1977-05-31 Baxter Laboratories, Inc. Variable capacity reservoir assembly
US4086924A (en) * 1976-10-06 1978-05-02 Haemonetics Corporation Plasmapheresis apparatus
US4191182A (en) * 1977-09-23 1980-03-04 Hemotherapy Inc. Method and apparatus for continuous plasmaphersis
US4209392A (en) * 1978-05-15 1980-06-24 Wallace Richard A Portable hepatic-assist method and apparatus for same
JPS55500370A (de) * 1978-05-25 1980-06-26
JPS583705B2 (ja) * 1980-07-18 1983-01-22 川澄化学工業株式会社 二重ロ過型血漿分離交換装置
US4343705A (en) * 1980-10-31 1982-08-10 Instrumentation Laboratory Biological liquid fractionation using alternate opposite flow directions across a membrane
US4447191A (en) * 1981-12-15 1984-05-08 Baxter Travenol Laboratories, Inc. Control circuit for a blood fractionation apparatus

Also Published As

Publication number Publication date
CA1261217A (en) 1989-09-26
US4605503A (en) 1986-08-12
EP0128683A3 (en) 1986-01-15
EP0128683B1 (de) 1989-01-04
JPS605164A (ja) 1985-01-11
EP0128683A2 (de) 1984-12-19
JPH0477588B2 (de) 1992-12-08

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: BAXTER INTERNATIONAL INC. (N.D.GES.D.STAATES DELAW

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee