GB2220869B - Pumping fluid through plural flow lines - Google Patents

Pumping fluid through plural flow lines

Info

Publication number
GB2220869B
GB2220869B GB8912636A GB8912636A GB2220869B GB 2220869 B GB2220869 B GB 2220869B GB 8912636 A GB8912636 A GB 8912636A GB 8912636 A GB8912636 A GB 8912636A GB 2220869 B GB2220869 B GB 2220869B
Authority
GB
United Kingdom
Prior art keywords
flow lines
pumping fluid
plural flow
plural
pumping
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 - Lifetime
Application number
GB8912636A
Other languages
English (en)
Other versions
GB8912636D0 (en
GB2220869A (en
Inventor
Lawrence Lee Leppert
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.)
Terumo BCT Inc
Original Assignee
Cobe Laboratories 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 Cobe Laboratories Inc filed Critical Cobe Laboratories Inc
Publication of GB8912636D0 publication Critical patent/GB8912636D0/en
Publication of GB2220869A publication Critical patent/GB2220869A/en
Application granted granted Critical
Publication of GB2220869B publication Critical patent/GB2220869B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1292—Pumps specially adapted for several tubular flexible members
    • 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
    • A61M1/30—Single 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
    • 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
    • A61M1/30—Single 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
    • A61M1/301—Details
    • A61M1/302—Details having a reservoir for withdrawn untreated blood
    • 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
    • A61M1/30—Single 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
    • A61M1/301—Details
    • A61M1/303—Details having a reservoir for treated blood to be returned
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3601—Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit
    • A61M1/3603—Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit in the same direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/13—Infusion monitoring

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Cardiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • External Artificial Organs (AREA)
GB8912636A 1988-06-03 1989-06-02 Pumping fluid through plural flow lines Expired - Lifetime GB2220869B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/202,106 US4885001A (en) 1988-06-03 1988-06-03 Pump with plural flow lines

Publications (3)

Publication Number Publication Date
GB8912636D0 GB8912636D0 (en) 1989-07-19
GB2220869A GB2220869A (en) 1990-01-24
GB2220869B true GB2220869B (en) 1992-11-04

Family

ID=22748522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8912636A Expired - Lifetime GB2220869B (en) 1988-06-03 1989-06-02 Pumping fluid through plural flow lines

Country Status (8)

Country Link
US (1) US4885001A (enExample)
JP (1) JPH0698187B2 (enExample)
AU (1) AU619837B2 (enExample)
CA (1) CA1324046C (enExample)
DE (1) DE3918078A1 (enExample)
FR (1) FR2632360B1 (enExample)
GB (1) GB2220869B (enExample)
IT (1) IT1235884B (enExample)

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DE3909967A1 (de) * 1989-03-25 1990-09-27 Fresenius Ag Haemodialysegeraet mit automatischer einstellung des dialysierfluessigkeitsflusses
US5114580A (en) * 1989-06-20 1992-05-19 The Board Of Regents Of The University Of Washington Combined hemofiltration and hemodialysis system
US5188604A (en) * 1989-09-29 1993-02-23 Rocky Mountain Research, Inc. Extra corporeal support system
FR2672219B1 (fr) * 1991-02-06 1998-09-11 Hospal Ind Procede de commande de la circulation du sang dans un circuit a aiguille unique.
US5443451A (en) * 1993-11-17 1995-08-22 Baxter International Inc. Peristaltic pumping assembly
US5460493A (en) 1993-11-17 1995-10-24 Baxter International Inc. Organizer frame for holding an array of flexible tubing in alignment with one or more peristaltic pump rotors
DE19546027C1 (de) * 1995-12-09 1997-04-03 Fresenius Ag Vorrichtung zur Entfernung von toxischen Stoffen aus Blut
AU3273101A (en) * 1997-02-14 2001-06-04 Nxstage Medical, Inc. Extracorporeal circuits for performing hemofiltration employing pressure sensingwithout an air interface
US6852090B2 (en) * 1997-02-14 2005-02-08 Nxstage Medical, Inc. Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge
US6726647B1 (en) 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
JP2002538604A (ja) 1999-02-26 2002-11-12 トリコン ホールディングス リミティド ポリマー層の処理方法
GB2354528B (en) 1999-09-25 2004-03-10 Trikon Holdings Ltd Delivery of liquid precursors to semiconductor processing reactors
US7309662B1 (en) 1999-06-26 2007-12-18 Aviza Europe Limited Method and apparatus for forming a film on a substrate
US7780619B2 (en) 1999-11-29 2010-08-24 Nxstage Medical, Inc. Blood treatment apparatus
JP2002176256A (ja) * 2000-12-06 2002-06-21 Ibiden Co Ltd プリント配線板及びその製造方法
FR2836831B1 (fr) * 2002-03-07 2004-06-25 Centre Nat Rech Scient Combinaison chimiotherapie et antisens de la dna demethylase
EP2095835B1 (en) 2003-01-28 2013-04-03 Gambro Lundia AB Apparatus for monitoring a vascular access
US7264607B2 (en) * 2003-03-21 2007-09-04 Gambro Lundia Ab Circuit for extracorporeal blood circulation
ITMO20030080A1 (it) * 2003-03-21 2004-09-22 Gambro Lundia Ab Circuito per la circolazione extracorporea di sangue.
WO2005049113A1 (en) * 2003-11-20 2005-06-02 Gambro Lundia Ab Method, apparatus and software program for measurement of a parameter relating to a heart-lung system of a mammal.
ES2471953T3 (es) * 2003-12-11 2014-06-27 Gambro Lundia Ab Dispositivo de conmutación y aparato para controlar el flujo de un fluido
US7540958B2 (en) 2004-03-08 2009-06-02 Gambro Lundia Ab Device for controlling blood circulation for a single needle circuit
ATE479843T1 (de) * 2005-05-18 2010-09-15 Gambro Lundia Ab Vorrichtung zur steuerung des blutflusses in einem extrakorporalen kreislauf
US8167869B2 (en) * 2009-02-10 2012-05-01 Tyco Healthcare Group Lp Wound therapy system with proportional valve mechanism
GB201110021D0 (en) * 2011-06-15 2011-07-27 Newcastle Upon Tyne Hospitals Nhs Trust The Apparatus for performing haemodialysis
WO2013019994A2 (en) 2011-08-02 2013-02-07 Medtronic, Inc. Hemodialysis system having a flow path with a controlled compliant volume
EP2744537B1 (en) 2011-08-16 2018-01-24 Medtronic, Inc. Modular hemodialysis system
US10905816B2 (en) 2012-12-10 2021-02-02 Medtronic, Inc. Sodium management system for hemodialysis
US9623164B2 (en) 2013-02-01 2017-04-18 Medtronic, Inc. Systems and methods for multifunctional volumetric fluid control
US10010663B2 (en) 2013-02-01 2018-07-03 Medtronic, Inc. Fluid circuit for delivery of renal replacement therapies
US10543052B2 (en) 2013-02-01 2020-01-28 Medtronic, Inc. Portable dialysis cabinet
US10850016B2 (en) * 2013-02-01 2020-12-01 Medtronic, Inc. Modular fluid therapy system having jumpered flow paths and systems and methods for cleaning and disinfection
US10874787B2 (en) 2014-12-10 2020-12-29 Medtronic, Inc. Degassing system for dialysis
US9713665B2 (en) 2014-12-10 2017-07-25 Medtronic, Inc. Degassing system for dialysis
US10098993B2 (en) 2014-12-10 2018-10-16 Medtronic, Inc. Sensing and storage system for fluid balance
US9895479B2 (en) 2014-12-10 2018-02-20 Medtronic, Inc. Water management system for use in dialysis
EP3590558A1 (en) 2015-03-31 2020-01-08 CardiacAssist, Inc. Cannula system with sterile connector, blood pump, and patient harness
US11278654B2 (en) 2017-12-07 2022-03-22 Medtronic, Inc. Pneumatic manifold for a dialysis system
US11033667B2 (en) 2018-02-02 2021-06-15 Medtronic, Inc. Sorbent manifold for a dialysis system
US11110215B2 (en) 2018-02-23 2021-09-07 Medtronic, Inc. Degasser and vent manifolds for dialysis
US12128165B2 (en) 2020-04-27 2024-10-29 Mozarc Medical Us Llc Dual stage degasser

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496878A (en) * 1967-04-07 1970-02-24 Bio Medical Systems Inc System and apparatus for transfer of human fluids
US4085046A (en) * 1976-08-16 1978-04-18 Saporito Jr Thomas J Renal dialysis concentrate delivery system
GB2035013A (en) * 1978-11-14 1980-06-11 Standard Telephones Cables Ltd Splitter/combiner network
US4269708A (en) * 1978-05-03 1981-05-26 Vittorio Bonomini Hemodialysis and/or ultrafiltration apparatus
GB2153013A (en) * 1984-01-20 1985-08-14 Apv Int Ltd Transference of a fluid from a container to a fluid-flow line
EP0265352A1 (fr) * 1986-10-20 1988-04-27 Hospal Industrie Procédé de pompage pour rein artificiel de deux liquides en quantités égales et dispositif de pompage en faisant application
GB2197803A (en) * 1986-10-30 1988-06-02 Cobe Lab Dialysate preparation apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393464A (en) * 1942-02-17 1946-01-22 Albert J Granberg Bulk plant receiving recorder
JPS56116468A (en) * 1980-02-15 1981-09-12 Terumo Corp Single needle dialysis system
US4490134A (en) * 1982-09-24 1984-12-25 Extracorporeal Medical Specialties, Inc. Dual phase blood flow system and method of operation
DE3335744C1 (de) * 1983-10-01 1984-12-13 B. Braun Melsungen Ag, 3508 Melsungen Dialysevorrichtung
US4643714A (en) * 1985-08-05 1987-02-17 Cobe Laboratories, Inc. Single needle apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496878A (en) * 1967-04-07 1970-02-24 Bio Medical Systems Inc System and apparatus for transfer of human fluids
US4085046A (en) * 1976-08-16 1978-04-18 Saporito Jr Thomas J Renal dialysis concentrate delivery system
US4269708A (en) * 1978-05-03 1981-05-26 Vittorio Bonomini Hemodialysis and/or ultrafiltration apparatus
GB2035013A (en) * 1978-11-14 1980-06-11 Standard Telephones Cables Ltd Splitter/combiner network
GB2153013A (en) * 1984-01-20 1985-08-14 Apv Int Ltd Transference of a fluid from a container to a fluid-flow line
EP0265352A1 (fr) * 1986-10-20 1988-04-27 Hospal Industrie Procédé de pompage pour rein artificiel de deux liquides en quantités égales et dispositif de pompage en faisant application
GB2197803A (en) * 1986-10-30 1988-06-02 Cobe Lab Dialysate preparation apparatus

Also Published As

Publication number Publication date
US4885001A (en) 1989-12-05
FR2632360B1 (fr) 1995-10-27
GB8912636D0 (en) 1989-07-19
CA1324046C (en) 1993-11-09
AU3492489A (en) 1990-04-26
GB2220869A (en) 1990-01-24
IT8967431A0 (it) 1989-06-02
JPH02142570A (ja) 1990-05-31
DE3918078C2 (enExample) 1993-08-12
FR2632360A1 (fr) 1989-12-08
DE3918078A1 (de) 1989-12-07
IT1235884B (it) 1992-11-23
AU619837B2 (en) 1992-02-06
JPH0698187B2 (ja) 1994-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000602