GB2246718B - Fluid control apparatus - Google Patents

Fluid control apparatus

Info

Publication number
GB2246718B
GB2246718B GB9014935A GB9014935A GB2246718B GB 2246718 B GB2246718 B GB 2246718B GB 9014935 A GB9014935 A GB 9014935A GB 9014935 A GB9014935 A GB 9014935A GB 2246718 B GB2246718 B GB 2246718B
Authority
GB
United Kingdom
Prior art keywords
control apparatus
fluid control
fluid
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
GB9014935A
Other versions
GB2246718A (en
Inventor
Edward Hugh Dyson
Edward Goutcher
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.)
LIMITED RENALAID
Original Assignee
LIMITED RENALAID
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 LIMITED RENALAID filed Critical LIMITED RENALAID
Priority to GB9014935A priority Critical patent/GB2246718B/en
Priority to PCT/GB1991/001110 priority patent/WO1992000768A1/en
Priority to EP91912718A priority patent/EP0538327A1/en
Publication of GB2246718A publication Critical patent/GB2246718A/en
Application granted granted Critical
Publication of GB2246718B publication Critical patent/GB2246718B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3441—Substitution rate control as a function of the ultrafiltration rate
    • 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
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • 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
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1621—Constructional aspects thereof
    • A61M1/1645—Constructional aspects thereof with mechanically linked peristaltic dialysis fluid pumps one upstream, the other one downstream of the dialyser
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3424—Substitution fluid path
    • A61M1/3431—Substitution fluid path upstream of the filter
    • A61M1/3434—Substitution fluid path upstream of the filter with pre-dilution and post-dilution
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3424—Substitution fluid path
    • A61M1/3437—Substitution fluid path downstream of the filter, e.g. post-dilution with filtrate
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3441—Substitution rate control as a function of the ultrafiltration rate
    • A61M1/3448—Substitution rate control as a function of the ultrafiltration rate by mechanically linked pumps in both ultra-filtrate and substitution flow line
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • External Artificial Organs (AREA)
GB9014935A 1990-07-06 1990-07-06 Fluid control apparatus Expired - Fee Related GB2246718B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9014935A GB2246718B (en) 1990-07-06 1990-07-06 Fluid control apparatus
PCT/GB1991/001110 WO1992000768A1 (en) 1990-07-06 1991-07-08 Fluid control apparatus and methods
EP91912718A EP0538327A1 (en) 1990-07-06 1991-07-08 Fluid control apparatus and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9014935A GB2246718B (en) 1990-07-06 1990-07-06 Fluid control apparatus

Publications (2)

Publication Number Publication Date
GB2246718A GB2246718A (en) 1992-02-12
GB2246718B true GB2246718B (en) 1995-01-18

Family

ID=10678721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9014935A Expired - Fee Related GB2246718B (en) 1990-07-06 1990-07-06 Fluid control apparatus

Country Status (3)

Country Link
EP (1) EP0538327A1 (en)
GB (1) GB2246718B (en)
WO (1) WO1992000768A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7776001B2 (en) 1997-02-14 2010-08-17 Nxstage Medical Inc. Registration of fluid circuit components in a blood treatment device
US7780619B2 (en) 1999-11-29 2010-08-24 Nxstage Medical, Inc. Blood treatment apparatus
US8803044B2 (en) 2003-11-05 2014-08-12 Baxter International Inc. Dialysis fluid heating systems
US8858488B2 (en) 2003-11-05 2014-10-14 Baxter International Inc. Dialysis system including blood and dialysate cassette
US10532146B2 (en) 2012-06-06 2020-01-14 Fresenius Medical Care Deutschland Gmbh Apparatus for extra-corporeal blood treatment and method of presetting an initial mode of treatment for an extra-corporeal blood treatment apparatus

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4416368B2 (en) 1997-02-14 2010-02-17 ネクステージ メディカル インコーポレイテッド Fluid treatment apparatus and method using an extracorporeal fluid flow panel disposed within a cartridge
US6245884B1 (en) 1998-10-16 2001-06-12 Vivian Y. H. Hook Secretases related to alzheimer's dementia
US6313268B1 (en) 1998-10-16 2001-11-06 Vivian Y. H. Hook Secretases related to Alzheimer's dementia
JP2003010317A (en) 2001-07-02 2003-01-14 Nippon Colin Co Ltd Dialyzer
JP2003010318A (en) * 2001-07-02 2003-01-14 Nippon Colin Co Ltd Dialyzer
US7241272B2 (en) 2001-11-13 2007-07-10 Baxter International Inc. Method and composition for removing uremic toxins in dialysis processes
JP4890761B2 (en) 2002-07-19 2012-03-07 バクスター・インターナショナル・インコーポレイテッド System and method for performing peritoneal dialysis
US8038639B2 (en) 2004-11-04 2011-10-18 Baxter International Inc. Medical fluid system with flexible sheeting disposable unit
US8496809B2 (en) 2006-06-05 2013-07-30 Baxter International Inc. Dynamic weight balancing of flow in kidney failure treatment systems
US8262602B2 (en) 2008-06-02 2012-09-11 Baxter International Inc. Remote exchange peritoneal dialysis
US9586217B2 (en) 2012-10-04 2017-03-07 Arminak & Associates, Llc Mixing chamber for two fluid constituents
WO2015007596A1 (en) 2013-07-15 2015-01-22 Gambro Lundia Ab Relative pump calibration for ultrafiltration control in a dialysis apparatus
US9962476B2 (en) 2013-07-15 2018-05-08 Gambro Lundia Ab Individual pump calibration for ultrafiltration control in a dialysis apparatus
JP6300200B2 (en) * 2014-04-18 2018-03-28 パナソニックＩｐマネジメント株式会社 Tube pump and fluid delivery method
DE102019126048A1 (en) 2019-09-26 2021-04-01 B.Braun Avitum Ag Blood treatment device with automatic substitution volume compensation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990973A (en) * 1974-11-04 1976-11-09 Cobe Laboratories, Inc. Apparatus for measuring ultrafiltration rate
GB2009862A (en) * 1977-12-09 1979-06-20 Fresenius Chem Pharm Ind Apparatus for fluid balancing under sterile conditions
US4172033A (en) * 1974-12-23 1979-10-23 DWS, Inc. Artificial kidney proportioning system
US4334988A (en) * 1975-12-30 1982-06-15 Hospal Medical Corp. Control of dialysis and ultrafiltration
EP0204174A2 (en) * 1985-06-04 1986-12-10 Gambro Ab A system for the control of dialysis
EP0243284A2 (en) * 1986-04-25 1987-10-28 Hospal Industrie Artificial kidney with a device for controlling the volumes of fluids flowing trough the dialysate circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294320A (en) * 1980-03-06 1981-10-13 Baxter Travenol Laboratories, Inc. Method and apparatus for weighing material being collected
US4605503A (en) * 1983-05-26 1986-08-12 Baxter Travenol Laboratories, Inc. Single needle blood fractionation system having adjustable recirculation through filter
GB2173549B (en) * 1985-03-27 1988-05-25 Mars G B Ltd Peristalic pumps
IT1219716B (en) * 1988-06-14 1990-05-24 Dideco Spa PERISTALTIC PUMP SUITABLE TO OPERATE SIMULTANEOUSLY ON TWO LINES
US4954128A (en) * 1988-08-23 1990-09-04 Baxter International Inc. Therapeutics plasma exchange system
DE3909967A1 (en) * 1989-03-25 1990-09-27 Fresenius Ag HAEMODIALYSIS DEVICE WITH AUTOMATIC ADJUSTMENT OF THE DIALYSIS FLUID FLOW

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990973A (en) * 1974-11-04 1976-11-09 Cobe Laboratories, Inc. Apparatus for measuring ultrafiltration rate
US4172033A (en) * 1974-12-23 1979-10-23 DWS, Inc. Artificial kidney proportioning system
US4334988A (en) * 1975-12-30 1982-06-15 Hospal Medical Corp. Control of dialysis and ultrafiltration
GB2009862A (en) * 1977-12-09 1979-06-20 Fresenius Chem Pharm Ind Apparatus for fluid balancing under sterile conditions
EP0204174A2 (en) * 1985-06-04 1986-12-10 Gambro Ab A system for the control of dialysis
EP0243284A2 (en) * 1986-04-25 1987-10-28 Hospal Industrie Artificial kidney with a device for controlling the volumes of fluids flowing trough the dialysate circuit

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7776001B2 (en) 1997-02-14 2010-08-17 Nxstage Medical Inc. Registration of fluid circuit components in a blood treatment device
US7780619B2 (en) 1999-11-29 2010-08-24 Nxstage Medical, Inc. Blood treatment apparatus
US8803044B2 (en) 2003-11-05 2014-08-12 Baxter International Inc. Dialysis fluid heating systems
US8858488B2 (en) 2003-11-05 2014-10-14 Baxter International Inc. Dialysis system including blood and dialysate cassette
US8894600B2 (en) 2003-11-05 2014-11-25 Baxter International Inc. Hemodialysis system including on-line dialysate generation
US9072831B2 (en) 2003-11-05 2015-07-07 Baxter International Inc. Medical fluid pump valve integrity test methods and systems
US9072830B2 (en) 2003-11-05 2015-07-07 Baxter International Inc. Systems and methods for priming sorbent-based hemodialysis
US9155825B2 (en) 2003-11-05 2015-10-13 Baxter International Inc. Hemodialysis system using sorbent and reservoir
US9216246B2 (en) 2003-11-05 2015-12-22 Baxter International Inc. Renal failure therapy machines and methods including conductive and convective clearance
US9302039B2 (en) 2003-11-05 2016-04-05 Baxter International Inc. Hemodialysis system including a disposable cassette
US9364602B2 (en) 2003-11-05 2016-06-14 Baxter International Inc. Systems and methods for priming sorbent-based hemodialysis using dialysis fluid
US9387286B2 (en) 2003-11-05 2016-07-12 Baxter International Inc. Dialysis system including peristaltic tubing pumping cassette
US9421313B2 (en) 2003-11-05 2016-08-23 Baxter International Inc. Hemodialysis system with horizontal cassette roller pumps
US9480784B2 (en) 2003-11-05 2016-11-01 Baxter International Inc. Dialysis system with balance chamber prime and rinseback
US10532146B2 (en) 2012-06-06 2020-01-14 Fresenius Medical Care Deutschland Gmbh Apparatus for extra-corporeal blood treatment and method of presetting an initial mode of treatment for an extra-corporeal blood treatment apparatus

Also Published As

Publication number Publication date
GB2246718A (en) 1992-02-12
WO1992000768A1 (en) 1992-01-23
EP0538327A1 (en) 1993-04-28

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Legal Events

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

Effective date: 19980706