GB2108400A - Method and apparatus for treating blood and the like - Google Patents

Method and apparatus for treating blood and the like

Info

Publication number
GB2108400A
GB2108400A GB08235450A GB8235450A GB2108400A GB 2108400 A GB2108400 A GB 2108400A GB 08235450 A GB08235450 A GB 08235450A GB 8235450 A GB8235450 A GB 8235450A GB 2108400 A GB2108400 A GB 2108400A
Authority
GB
United Kingdom
Prior art keywords
blood
treating blood
apparatus suitable
cleansing
pure water
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.)
Withdrawn
Application number
GB08235450A
Inventor
William John Dorson
Meyer Markovitz
Vincent Beato Pizziconi
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.)
BIOMEDICAL ENG Inc
Original Assignee
BIOMEDICAL ENG 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 BIOMEDICAL ENG Inc filed Critical BIOMEDICAL ENG Inc
Publication of GB2108400A publication Critical patent/GB2108400A/en
Withdrawn legal-status Critical Current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
    • A61M1/3472—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration with treatment of the 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
    • A61M1/3424—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
    • A61M1/3455—Substitution fluids
    • A61M1/3458—Substitution fluids having electrolytes not present in the dialysate
    • 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
    • A61M1/3455—Substitution fluids
    • A61M1/3468—Substitution fluids using treated filtrate as substitution fluid
    • 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
    • A61M1/3472—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration with treatment of the filtrate
    • A61M1/3486—Biological, chemical treatment, e.g. chemical precipitation; treatment by absorbents
    • 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
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7563—General characteristics of the apparatus with filters with means preventing clogging of filters
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Cell Biology (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • External Artificial Organs (AREA)

Abstract

Method for treating body fluids like blood or its components including apparatus suitable therefor. A preferred embodiment comprises an artificial kidney apparatus suitable for cleansing the bodily blood without the need for large quantities of pure water as required by existing kidney apparatus.
GB08235450A 1981-04-13 1982-04-13 Method and apparatus for treating blood and the like Withdrawn GB2108400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25367881A 1981-04-13 1981-04-13

Publications (1)

Publication Number Publication Date
GB2108400A true GB2108400A (en) 1983-05-18

Family

ID=22961257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08235450A Withdrawn GB2108400A (en) 1981-04-13 1982-04-13 Method and apparatus for treating blood and the like

Country Status (3)

Country Link
EP (1) EP0076320A1 (en)
GB (1) GB2108400A (en)
WO (1) WO1982003567A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888115A (en) * 1983-12-29 1989-12-19 Cuno, Incorporated Cross-flow filtration
JPS61501494A (en) * 1984-03-21 1986-07-24 マクロ−リン、ウイリアム　フランシス Equipment for separating substances from suspensions
US4689302A (en) * 1984-04-02 1987-08-25 Amerace Corporation Spiral designed reactor
ATE79300T1 (en) * 1984-11-15 1992-08-15 Baxter Int ADAPTABLE CONTROL SYSTEM AND METHOD FOR FILTER CONCENTRATE FLOW.
JPH06104118B2 (en) * 1985-03-13 1994-12-21 バクスタ−、インターナショナル、インコ−ポレイテッド Platelet collection system
US4869812A (en) * 1985-08-12 1989-09-26 Baxter International Inc. Disposable diagnostic plasma filter dispenser
US6863821B2 (en) 2002-02-02 2005-03-08 Baxter International Inc. Shear-enhanced systems and methods for removing waste materials and liquid from the blood
US8961789B2 (en) 2008-10-31 2015-02-24 Baxter International Inc. Systems and methods for performing hemodialysis
WO2021056091A1 (en) * 2019-09-26 2021-04-01 Gerald John Vowles An apparatus and method for semi-permeable membrane based blood filtration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367504A (en) * 1964-12-21 1968-02-06 Gulf General Atomic Inc Spirally wrapped reverse osmosis membrane cell
US3579441A (en) * 1968-04-19 1971-05-18 Hydronautics Blood purification by dual filtration
US3483867A (en) * 1968-06-13 1969-12-16 Meyer Markovitz Artificial glomerulus and a method for treating blood
US3705100A (en) * 1970-08-25 1972-12-05 Amicon Corp Blood fractionating process and apparatus for carrying out same
US4125462A (en) * 1977-08-30 1978-11-14 Rohm And Haas Company Coated membranes

Also Published As

Publication number Publication date
WO1982003567A1 (en) 1982-10-28
EP0076320A1 (en) 1983-04-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)