CA2154629A1 - Device and method for preparing a treatment liquid by filtration - Google Patents

Device and method for preparing a treatment liquid by filtration

Info

Publication number
CA2154629A1
CA2154629A1 CA002154629A CA2154629A CA2154629A1 CA 2154629 A1 CA2154629 A1 CA 2154629A1 CA 002154629 A CA002154629 A CA 002154629A CA 2154629 A CA2154629 A CA 2154629A CA 2154629 A1 CA2154629 A1 CA 2154629A1
Authority
CA
Canada
Prior art keywords
chamber
filter
inlet
filtration
preparing
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.)
Granted
Application number
CA002154629A
Other languages
French (fr)
Other versions
CA2154629C (en
Inventor
Jacques Chevallet
Jean-Claude Riquier
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.)
Gambro Industries SAS
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9465939&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2154629(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2154629A1 publication Critical patent/CA2154629A1/en
Application granted granted Critical
Publication of CA2154629C publication Critical patent/CA2154629C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M1/14—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
    • A61M1/1654—Dialysates therefor
    • A61M1/1656—Apparatus for preparing dialysates
    • 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
    • A61M1/1654—Dialysates therefor
    • A61M1/1656—Apparatus for preparing dialysates
    • A61M1/1672—Apparatus for preparing dialysates using membrane filters, e.g. for sterilising 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
    • A61M1/3465—Substitution fluids using dialysate 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/707—Testing of filters for clogging
    • 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
    • A61M2205/7554—General characteristics of the apparatus with filters with means for unclogging or regenerating 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
    • 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

Abstract

A device for treatment of blood by extracorporeal circulation comprises a dialysis liquid circuit having a supply tube (9a, 9b) on which is arranged a filter (21) having a first chamber and a second chamber (22, 23) which are separated by a filtering membrane (24), the supply tube having a first portion (9a) connecting a dialysis liquid source (10) to an inlet of the first chamber (22), and a second portion (9b) having an end connected to an outlet of the second chamber (23) of the filter (21) and another end which can be connected to an inlet of a compartment (3) of an exchanger (1) with semipermeable membrane (4). A feedback tube (25) connects the inlet of the first chamber (22) of the filter (21) to the outlet of the first chamber (22). A flushing pump (26) is arranged on the feedback tube (25) for circulating liquid in the first chamber (22) of the filter (21) and causing cleaning of the membrane (24) by tangential flushing.
CA002154629A 1994-07-26 1995-07-25 Device and method for preparing a treatment liquid by filtration Expired - Lifetime CA2154629C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409499A FR2723002B1 (en) 1994-07-26 1994-07-26 DEVICE AND METHOD FOR PREPARING A FILTRATION PROCESSING LIQUID
FR9409499 1994-07-26

Publications (2)

Publication Number Publication Date
CA2154629A1 true CA2154629A1 (en) 1996-01-27
CA2154629C CA2154629C (en) 2005-11-29

Family

ID=9465939

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002154629A Expired - Lifetime CA2154629C (en) 1994-07-26 1995-07-25 Device and method for preparing a treatment liquid by filtration

Country Status (8)

Country Link
US (2) US5702597A (en)
EP (2) EP0694312B1 (en)
JP (1) JP3790284B2 (en)
AT (2) ATE255924T1 (en)
CA (1) CA2154629C (en)
DE (2) DE69532258T2 (en)
ES (2) ES2211894T3 (en)
FR (1) FR2723002B1 (en)

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FR2723002B1 (en) * 1994-07-26 1996-09-06 Hospal Ind DEVICE AND METHOD FOR PREPARING A FILTRATION PROCESSING LIQUID

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DE69534830D1 (en) 2006-05-04
EP1300167B2 (en) 2014-03-19
ES2260389T5 (en) 2014-06-10
DE69532258D1 (en) 2004-01-22
DE69532258T2 (en) 2004-09-16
EP0694312B1 (en) 2003-12-10
JPH0866474A (en) 1996-03-12
EP1300167A2 (en) 2003-04-09
ATE255924T1 (en) 2003-12-15
FR2723002B1 (en) 1996-09-06
EP0694312A2 (en) 1996-01-31
JP3790284B2 (en) 2006-06-28
FR2723002A1 (en) 1996-02-02
EP0694312A3 (en) 1996-03-13
ES2260389T3 (en) 2006-11-01
CA2154629C (en) 2005-11-29
DE69534830T3 (en) 2014-07-31
EP1300167B1 (en) 2006-03-08
US5702597A (en) 1997-12-30
ES2211894T3 (en) 2004-07-16
DE69534830T2 (en) 2006-10-19
ATE319492T1 (en) 2006-03-15
US6039877A (en) 2000-03-21
EP1300167A3 (en) 2003-12-17

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