GB2041233B - Blood filter - Google Patents

Blood filter

Info

Publication number
GB2041233B
GB2041233B GB8003258A GB8003258A GB2041233B GB 2041233 B GB2041233 B GB 2041233B GB 8003258 A GB8003258 A GB 8003258A GB 8003258 A GB8003258 A GB 8003258A GB 2041233 B GB2041233 B GB 2041233B
Authority
GB
United Kingdom
Prior art keywords
blood filter
blood
filter
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
GB8003258A
Other versions
GB2041233A (en
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.)
Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG
Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG Apparatebau KG
Original Assignee
Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG
Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG Apparatebau KG
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 DE19792905514 external-priority patent/DE2905514A1/en
Priority claimed from DE19803001377 external-priority patent/DE3001377A1/en
Application filed by Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG, Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG Apparatebau KG filed Critical Dr Eduard Fresenius Chemisch Pharmazeutische Industrie KG
Publication of GB2041233A publication Critical patent/GB2041233A/en
Application granted granted Critical
Publication of GB2041233B publication Critical patent/GB2041233B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0428—Rendering the filter material hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/069—Special geometry of layers
    • B01D2239/0695—Wound layers

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
GB8003258A 1979-02-14 1980-01-31 Blood filter Expired GB2041233B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792905514 DE2905514A1 (en) 1979-02-14 1979-02-14 Blood filter for removing dead particles or impurities - using dense packing of plastic monofilaments wound into coil on hollow sieve core
DE19803001377 DE3001377A1 (en) 1980-01-16 1980-01-16 Blood filter - has plastics monofilament of a diameter similar to cell diameter which forms a dense wound packing on.core

Publications (2)

Publication Number Publication Date
GB2041233A GB2041233A (en) 1980-09-10
GB2041233B true GB2041233B (en) 1983-08-17

Family

ID=25777770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003258A Expired GB2041233B (en) 1979-02-14 1980-01-31 Blood filter

Country Status (2)

Country Link
FR (1) FR2448904A1 (en)
GB (1) GB2041233B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411783A (en) 1981-12-23 1983-10-25 Shiley Incorporated Arterial blood filter with improved gas venting

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32711E (en) * 1981-12-23 1988-07-12 Shiley, Inc. Arterial blood filter with improved gas venting
CS265063B1 (en) * 1986-09-29 1989-09-12 Pavel Mudr Cermak Diagnostic column
DE59403215D1 (en) * 1993-09-01 1997-07-31 Fresenius Ag Air separator
DE19617036C2 (en) * 1996-04-27 2003-12-04 Fresenius Ag Device for separating gas bubbles from blood
US10625009B2 (en) 2016-02-17 2020-04-21 Baxter International Inc. Airtrap, system and method for removing microbubbles from a fluid stream

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2048130A5 (en) * 1969-12-05 1971-03-19 Swank Roy
US3816304A (en) * 1971-10-27 1974-06-11 Carborundum Co Filtering method
JPS5235235B2 (en) * 1972-06-06 1977-09-08
AR205025A1 (en) * 1974-04-19 1976-03-31 Johnson & Johnson MEANS OF FILTERING BLOOD
NO760938L (en) * 1975-03-22 1976-09-23 Biotest Serum Institut Gmbh
DE2516175A1 (en) * 1975-04-14 1976-10-21 Fresenius Chem Pharm Ind BLOOD FILTER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411783A (en) 1981-12-23 1983-10-25 Shiley Incorporated Arterial blood filter with improved gas venting

Also Published As

Publication number Publication date
FR2448904B1 (en) 1983-07-18
GB2041233A (en) 1980-09-10
FR2448904A1 (en) 1980-09-12

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Legal Events

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

Effective date: 19930131