GB2248193B - Device and method for depletion of the leukocyte content of blood and blood components - Google Patents

Device and method for depletion of the leukocyte content of blood and blood components

Info

Publication number
GB2248193B
GB2248193B GB9123781A GB9123781A GB2248193B GB 2248193 B GB2248193 B GB 2248193B GB 9123781 A GB9123781 A GB 9123781A GB 9123781 A GB9123781 A GB 9123781A GB 2248193 B GB2248193 B GB 2248193B
Authority
GB
United Kingdom
Prior art keywords
blood
depletion
leukocyte content
components
blood components
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
GB9123781A
Other versions
GB2248193A (en
GB9123781D0 (en
Inventor
David B Pall
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.)
Pall Corp
Original Assignee
Pall Corp
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
Priority claimed from GB8824581A external-priority patent/GB2211755B/en
Application filed by Pall Corp filed Critical Pall Corp
Publication of GB9123781D0 publication Critical patent/GB9123781D0/en
Publication of GB2248193A publication Critical patent/GB2248193A/en
Application granted granted Critical
Publication of GB2248193B publication Critical patent/GB2248193B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • 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
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A61M1/3633—Blood component filters, e.g. leukocyte filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0413—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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0413—Blood
    • A61M2202/0439—White blood cells; Leucocytes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
GB9123781A 1987-10-20 1991-11-08 Device and method for depletion of the leukocyte content of blood and blood components Expired - Lifetime GB2248193B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11041387A 1987-10-20 1987-10-20
US21816988A 1988-07-13 1988-07-13
GB8824581A GB2211755B (en) 1987-10-20 1988-10-20 Device and method for depletion of the leukocyte content of blood and blood components

Publications (3)

Publication Number Publication Date
GB9123781D0 GB9123781D0 (en) 1992-01-02
GB2248193A GB2248193A (en) 1992-04-01
GB2248193B true GB2248193B (en) 1992-07-01

Family

ID=27264132

Family Applications (4)

Application Number Title Priority Date Filing Date
GB9110881A Expired - Lifetime GB2242277B (en) 1987-10-20 1991-05-17 Method for determining the wetting characteristics of a porous medium
GB9110882A Expired - Lifetime GB2243794B (en) 1987-10-20 1991-05-17 Separating devices
GB9123781A Expired - Lifetime GB2248193B (en) 1987-10-20 1991-11-08 Device and method for depletion of the leukocyte content of blood and blood components
GB9202881A Expired - Lifetime GB2250690B (en) 1987-10-20 1992-02-11 Device and method for depletion of the leukocyte content of blood and blood components

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB9110881A Expired - Lifetime GB2242277B (en) 1987-10-20 1991-05-17 Method for determining the wetting characteristics of a porous medium
GB9110882A Expired - Lifetime GB2243794B (en) 1987-10-20 1991-05-17 Separating devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9202881A Expired - Lifetime GB2250690B (en) 1987-10-20 1992-02-11 Device and method for depletion of the leukocyte content of blood and blood components

Country Status (1)

Country Link
GB (4) GB2242277B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009714A (en) * 1975-07-30 1977-03-01 Johnson & Johnson Intravenous solution filter unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209406A (en) * 1963-03-25 1965-10-05 Walker Mfg Co Rotary molding apparatus
GB1242493A (en) * 1969-12-05 1971-08-11 Roy Laver Swank Blood treating method and apparatus
US3765536A (en) * 1970-11-10 1973-10-16 Pall Corp Blood filter cascade
US3935111A (en) * 1973-04-06 1976-01-27 Bentley Laboratories, Inc. Device for removing blood microemboli
US4157965A (en) * 1975-01-20 1979-06-12 Bentley Laboratories, Inc. Blood treating device
NO760938L (en) * 1975-03-22 1976-09-23 Biotest Serum Institut Gmbh
IL51209A (en) * 1976-03-25 1981-02-27 Baxter Travenol Lab Blood filter
GB1603519A (en) * 1978-01-23 1981-11-25 Process Scient Innovations Filter elements for gas or liquid and methods of making such filters
US4283289A (en) * 1979-08-22 1981-08-11 Baxter Travenol Laboratories, Inc. Blood filter for leukocytes
US4701267B1 (en) * 1984-03-15 1996-03-12 Asahi Medical Co Method for removing leukocytes
US4694685A (en) * 1984-06-11 1987-09-22 Marbetech Corporation Apparatus and methods for determining the wettability of various substrates
US4629474A (en) * 1985-09-06 1986-12-16 Allied Corporation Thermally formed filter
DE3785993T2 (en) * 1986-03-28 1994-02-10 Asahi Medical Co FILTER MEDIUM FOR THE SELECTIVE REMOVAL OF LEUCOCYTEN.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009714A (en) * 1975-07-30 1977-03-01 Johnson & Johnson Intravenous solution filter unit

Also Published As

Publication number Publication date
GB2248193A (en) 1992-04-01
GB2242277B (en) 1992-07-01
GB9123781D0 (en) 1992-01-02
GB9110882D0 (en) 1991-07-10
GB2243794A (en) 1991-11-13
GB9110881D0 (en) 1991-07-10
GB2242277A (en) 1991-09-25
GB9202881D0 (en) 1992-03-25
GB2250690B (en) 1992-09-02
GB2243794B (en) 1992-07-01
GB2250690A (en) 1992-06-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20081019