FR2390984A1 - Dispositif a axe vertical de filtrage d'un liquide - Google Patents

Dispositif a axe vertical de filtrage d'un liquide

Info

Publication number
FR2390984A1
FR2390984A1 FR7815087A FR7815087A FR2390984A1 FR 2390984 A1 FR2390984 A1 FR 2390984A1 FR 7815087 A FR7815087 A FR 7815087A FR 7815087 A FR7815087 A FR 7815087A FR 2390984 A1 FR2390984 A1 FR 2390984A1
Authority
FR
France
Prior art keywords
liquid
membrane
filter
filtering
vertical axis
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
FR7815087A
Other languages
English (en)
Other versions
FR2390984B1 (fr
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.)
EMD Millipore Corp
Original Assignee
Millipore 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
Application filed by Millipore Corp filed Critical Millipore Corp
Publication of FR2390984A1 publication Critical patent/FR2390984A1/fr
Application granted granted Critical
Publication of FR2390984B1 publication Critical patent/FR2390984B1/fr
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165Filtering accessories, e.g. blood filters, filters for infusion liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0031Degasification of liquids by filtration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165Filtering accessories, e.g. blood filters, filters for infusion liquids
    • A61M2005/1657Filter with membrane, e.g. membrane, flat sheet type infusion filter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters
    • A61M2205/7527General characteristics of the apparatus with filters liquophilic, hydrophilic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters
    • A61M2205/7536General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • A61M5/385Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters using hydrophobic filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Filtration Of Liquid (AREA)

Abstract

L'invention concerne un dispositif de filtrage. Le dispositif comprend une chambre supérieure 18 et une chambre inférieure 20 le long de l'axe de dispositif, un filtre hydrophile 24 et une membrane hydrophobe 26 séparant les chambres, la membrane étant en service à un niveau plus bas que le filtre hydrophile. Un réservoir de gaz 36 est formé dans la chambre inférieure au-dessus de la membrane et en dessous du filtre, et un réservoir de liquide 38 se forme dans la chambre supérieure au-dessus de la membrane et en dessous du filtre, car en fonctionnement, du liquide est emprisonné dans le réservoir 38 et interdit le passage du gaz et du gaz est emprisonné dans le réservoir 36 et interdit le reflux du liquide. Application à des appareils d'injection de médicaments.
FR7815087A 1977-05-20 1978-05-22 Dispositif a axe vertical de filtrage d'un liquide Granted FR2390984A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/798,934 US4116646A (en) 1977-05-20 1977-05-20 Filter unit

Publications (2)

Publication Number Publication Date
FR2390984A1 true FR2390984A1 (fr) 1979-01-19
FR2390984B1 FR2390984B1 (fr) 1983-07-18

Family

ID=25174630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815087A Granted FR2390984A1 (fr) 1977-05-20 1978-05-22 Dispositif a axe vertical de filtrage d'un liquide

Country Status (6)

Country Link
US (1) US4116646A (fr)
JP (1) JPS5416887A (fr)
CA (1) CA1098049A (fr)
DE (1) DE2821482C3 (fr)
FR (1) FR2390984A1 (fr)
GB (1) GB1585989A (fr)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200095A (en) * 1977-08-15 1980-04-29 Millipore Corporation Arrangement for intravenous administration or the like
US4248223A (en) * 1978-03-20 1981-02-03 Turner Charles R Self-priming parenteral administering apparatus
US4227525A (en) * 1978-03-30 1980-10-14 Valleylab Intravenous administration set
US4326957A (en) * 1978-07-21 1982-04-27 Pall Corporation Vented filter spigot for intravenous liquid administration apparatus
US4236515A (en) * 1979-02-28 1980-12-02 Abbott Laboratories Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing parallel secondary liquid tubing
US4258712A (en) * 1979-02-28 1981-03-31 Abbott Laboratories Equipment sets having a pilot liquid controlled primary tube valve for the sequential administration of medical liquids at dual flow rates
US4237879A (en) * 1979-02-28 1980-12-09 Abbott Laboratories Equipment sets for the sequential administration of medical liquids at dual flow rates employing parallel secondary liquid tubing and a 3-way valve
US4372306A (en) * 1979-02-28 1983-02-08 Abbott Laboratories Equipment sets having a combined air barrier and liquid sequencing device for the sequential administration of medical liquids at dual flow rates
US4223695A (en) * 1979-02-28 1980-09-23 Abbott Laboratories Novel valve employing hydrophobic and hydrophilic membranes
JPS56500007A (fr) * 1979-02-28 1981-01-08
US4250879A (en) * 1979-02-28 1981-02-17 Abbott Laboratories Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing a combined air barrier and liquid sequencing valve
US4256104A (en) * 1979-02-28 1981-03-17 Abbott Laboratories Equipment sets and system for the sequential administration of medical liquids at dual flow rates
US4256105A (en) * 1979-02-28 1981-03-17 Abbott Laboratories Equipment sets having reduced diameter primary tube for the sequential administration of medical liquids at dual flow rates
US4252116A (en) * 1979-02-28 1981-02-24 Abbott Laboratories Equipment sets having a novel flexible diaphragm valve in a secondary liquid flow path for the sequential administration of medical liquids at dual flow rates
US4324238A (en) * 1979-02-28 1982-04-13 Abbott Laboratories Equipment sets having a combined air barrier and liquid sequencing device for the sequential administration of medical liquids at dual flow rates
US4219022A (en) * 1979-02-28 1980-08-26 Abbott Laboratories Equipment sets for the sequential administration of medical liquids at dual flow rates having parallel secondary liquid flowpaths wherein one said path is controlled by a liquid sequencing valve
JPS56500240A (fr) * 1979-02-28 1981-03-05
US4941875A (en) * 1979-07-18 1990-07-17 Brennan John F I.V. system for successive administration of two or more solutions at different rates
AU6249180A (en) * 1979-09-18 1981-04-09 Millipore Corp. Automatic dual rate i.v. administration
US4294594A (en) * 1979-10-02 1981-10-13 United States Surgical Corporation Self-contained filter assembly for removing air, particles and bacteria from a solution
US4278084A (en) * 1979-10-19 1981-07-14 Baxter Travenol Laboratories, Inc. Non air-blocking filter
FR2468400A1 (fr) * 1979-11-01 1981-05-08 Baxter Travenol Lab Procede et dispositif pour le melange de solutions hypernutritives
US4360435A (en) * 1979-11-01 1982-11-23 Baxter Travenol Laboratories, Inc. Process for sterilizing and transferring a solution
US4525276A (en) * 1980-11-26 1985-06-25 Tokyo Ohka Kogyo Kabushiki Kaisha Apparatus for separation of immiscible liquids
US5069671A (en) * 1981-07-13 1991-12-03 Alza Corporation Intravenous medication
US4985017A (en) * 1981-07-13 1991-01-15 Alza Corporation Parenteral therapeutical system comprising drug cell
USRE34365E (en) * 1981-07-13 1993-08-31 Intravenous system for delivering a beneficial agent
US4790820A (en) * 1981-07-13 1988-12-13 Alza Corporation Parenteral agent dispensing equipment with drug releasing member
US4994031A (en) * 1981-07-13 1991-02-19 Alza Corporation Intravenous system for delivering a beneficial agent
US4973307A (en) * 1981-07-13 1990-11-27 Alza Corporation Method for administering drugs to a patient
US4552555A (en) * 1981-07-31 1985-11-12 Alza Corporation System for intravenous delivery of a beneficial agent
US4857052A (en) * 1981-07-13 1989-08-15 Alza Corporation Intravenous system for delivering a beneficial agent
JPS589928U (ja) * 1981-07-15 1983-01-22 三菱自動車工業株式会社 内燃機関の吸気ポ−ト
US4871360A (en) * 1981-07-31 1989-10-03 Alza Corporation System for intravenous delivery of a beneficial drug at a regulated rates
GB2105783A (en) * 1981-08-28 1983-03-30 Ricardo Consulting Eng Regulating i c engine charge swirl
US4459139A (en) * 1981-09-14 1984-07-10 Gelman Sciences Inc. Disposable filter device and liquid aspirating system incorporating same
CA1209093A (fr) * 1982-03-16 1986-08-05 Thomas D. Hall Instruments de graphisme, et leur fabrication
US4908019A (en) * 1982-05-24 1990-03-13 Alza Corporation Apparatus comprising dual reservoirs for parenteral infusion of fluid containing beneficial agent
US4704203A (en) * 1982-08-27 1987-11-03 Reed Charles C Cardiotomy reservoir apparatus and method
JPS61158527A (ja) * 1984-12-29 1986-07-18 Kajima Corp 函体の接合方法
US5195986A (en) * 1986-03-04 1993-03-23 Deka Products Limited Partnership Integral intravenous fluid delivery device
IL82674A (en) * 1986-05-29 1993-01-14 Baxter Int Passive drug delivery system
US5070899A (en) * 1986-11-03 1991-12-10 Pall Corporation Check valve
DE58904449D1 (de) * 1989-12-21 1993-06-24 Siemens Ag Anordnung zum transkutanen ein- oder nachfuellen von fluessigen medikamenten in ein implantierbares medikamentendosiergeraet.
US5126054A (en) * 1990-05-24 1992-06-30 Pall Corporation Venting means
US5863436A (en) 1990-05-24 1999-01-26 Pall Corporation Venting system
US5217627A (en) 1990-11-06 1993-06-08 Pall Corporation System and method for processing biological fluid
CA2137797C (fr) * 1992-06-10 2003-01-07 Vlado I. Matkovich Systeme de traitement du materiel present dans une zone de transition
GB9218581D0 (en) * 1992-09-02 1992-10-14 Pall Corp Removal of unwanted fluids from processed blood products
US5439587A (en) * 1993-07-27 1995-08-08 Millipore Corporation Self priming filter apparatus
US5902281A (en) * 1995-03-22 1999-05-11 Teva Medical Ltd. Drip chamber for intravenous infusion
US5634905A (en) * 1996-02-14 1997-06-03 W. L. Gore & Associates, Inc. Apparatus for the prevention of retrograde movement of fluids during the use of air eliminating filters in intravenous therapy
EP0900098B1 (fr) * 1996-05-01 2003-09-17 Pall Corporation Systeme d'amorce
IL120693A (en) 1997-04-17 2001-11-25 Teva Medical Ltd Flow indicators for ambulatory infusion
IL133495A (en) * 1999-12-13 2006-12-31 Menahem Kraus Membrane support for drip chamber
ITMO20010114A1 (it) * 2001-06-05 2002-12-05 Aries Srl Dispositivo pressemblato monouso, particolarmente per terapia fotodinamica
US9623196B2 (en) * 2011-08-30 2017-04-18 Carefusion 303, Inc. System and method for trapping air bubbles
EP2641625B1 (fr) * 2012-03-21 2017-05-17 Gambro Lundia AB Appareil de traitement sanguin extracorporel avec de multiples réservoirs de solution de traitement
US10328193B2 (en) 2012-03-21 2019-06-25 Gambro Lundia Ab Extracorporeal blood treatment apparatus with multiple treatment solution reservoirs
WO2014026193A1 (fr) * 2012-08-10 2014-02-13 Demetris Yannopoulos Systèmes et procédés d'administration d'un anesthésique au cours d'une réanimation cardiopulmonaire
US10253295B2 (en) 2012-09-06 2019-04-09 Biomet Manufacturing, Llc Methods for producing rejuvenated red blood cells
US9066909B2 (en) 2012-09-06 2015-06-30 Biomet Biologics, Llc Methods for producing and using rejuvenated red blood cells
IN2015DN04299A (fr) 2012-12-03 2015-10-16 Emd Millipore Corp
US9102918B2 (en) 2013-01-31 2015-08-11 Biomet Biologics, Llc Methods for rejuvenating red blood cells
US9011408B2 (en) * 2013-01-31 2015-04-21 Biomet Biologics, Llc Functionally-closed, sterile blood processing solution system and method
US9103842B2 (en) 2013-01-31 2015-08-11 Biomet Biologics, Llc Methods for rejuvenating red blood cells
CN104138629B (zh) * 2013-05-22 2016-04-20 山东威高集团医用高分子制品股份有限公司 一种自动排气自动止液装置
CN104138628B (zh) * 2013-05-22 2016-04-20 山东威高集团医用高分子制品股份有限公司 一种自动止液滴斗
CN106377816B (zh) * 2014-04-18 2020-02-14 广东海恺普新型医药包装材料有限公司 包括至少一个过滤组件的静脉治疗装置
DE202014103278U1 (de) * 2014-07-16 2015-10-23 Pfm Medical Ag Vorrichtung zur dosierten Abgabe einer Infusionsflüssigkeit
US10279126B2 (en) * 2014-10-07 2019-05-07 Medtronic Minimed, Inc. Fluid conduit assembly with gas trapping filter in the fluid flow path
US10232130B2 (en) * 2015-03-26 2019-03-19 Becton, Dickinson And Company Anti-run dry membrane
US10179213B2 (en) 2015-05-27 2019-01-15 Vital Signs, Inc. Apparatus and methods for intravenous gas elimination
MX2018008877A (es) 2016-01-22 2018-09-21 Baxter Int Bolsa de producto de solucion esteril.
NZ743477A (en) 2016-01-22 2019-03-29 Baxter Healthcare Sa Method and machine for producing sterile solution product bags
CN108186347A (zh) * 2016-11-11 2018-06-22 广东海恺普新型医药包装材料有限公司 静脉治疗装置
USD1006973S1 (en) * 2021-04-22 2023-12-05 Ruyi Jiang Air filter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786467A (en) * 1955-07-01 1957-03-26 Russell W Price Apparatus for dispensing intravenous solutions
US3003500A (en) * 1955-12-14 1961-10-10 Baxter Laboratories Inc Intravenous administration equipment
FR2119367A5 (fr) * 1971-02-12 1972-08-04 American Hospital Suppli
FR2253544A1 (fr) * 1973-12-10 1975-07-04 Millipore Corp
US3993066A (en) * 1974-11-01 1976-11-23 Baxter Laboratories, Inc. Burette chamber for use with intravenous solution administration set
US3993062A (en) * 1975-11-03 1976-11-23 Baxter Laboratories, Inc. Hydrophobic valve
FR2313944A1 (fr) * 1975-06-13 1977-01-07 Baxter Travenol Lab Dispositif de filtration sans blocage d'air et appareil d'injection de liquide parenteral comportant un tel dispositif
US4066079A (en) * 1976-11-03 1978-01-03 Chiarolla Victor D Filter needle

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB538728A (en) * 1940-02-13 1941-08-14 Emery Sherman Beardsley Improvements in closures for liquid containers
US2770234A (en) * 1954-04-05 1956-11-13 Baxter Laboratories Inc Parenteral administration of liquids
FR1158634A (fr) * 1956-09-25 1958-06-17 élément filtrant, notamment pour appareils de transfusion-perfusion
US3007334A (en) * 1956-11-30 1961-11-07 Pall Corp Method and apparatus for determining the maximum pore size of hydraulic filter elements
US3316908A (en) * 1964-04-14 1967-05-02 Burron Medical Prod Inc Intravenous injection apparatus
US3506130A (en) * 1967-12-26 1970-04-14 Baxter Laboratories Inc Filter assembly for apparatus used in parenteral administration of liquids
US3523408A (en) * 1968-04-02 1970-08-11 Pall Corp Gas separator
US3631654A (en) * 1968-10-03 1972-01-04 Pall Corp Gas purge device
US3650093A (en) * 1970-01-08 1972-03-21 Pall Corp Sterile disposable medicament administration system
US3886937A (en) * 1971-02-12 1975-06-03 American Hospital Supply Corp Medical administration set for dispensing plural medical liquids
US3803810A (en) * 1972-05-01 1974-04-16 Pall Corp Liquid-gas separator and filter
US3954623A (en) * 1974-05-28 1976-05-04 Johnson & Johnson Blood filtration unit
US3967620A (en) * 1974-09-10 1976-07-06 United States Surgical Corporation Volume limiting chamber
US4013072A (en) * 1975-11-03 1977-03-22 Baxter Travenol Laboratories, Inc. Drip chamber for intravenous administration
US4031891A (en) * 1975-11-03 1977-06-28 Baxter Travenol Laboratories, Inc. Air eliminating filter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786467A (en) * 1955-07-01 1957-03-26 Russell W Price Apparatus for dispensing intravenous solutions
US3003500A (en) * 1955-12-14 1961-10-10 Baxter Laboratories Inc Intravenous administration equipment
FR2119367A5 (fr) * 1971-02-12 1972-08-04 American Hospital Suppli
FR2253544A1 (fr) * 1973-12-10 1975-07-04 Millipore Corp
US3993066A (en) * 1974-11-01 1976-11-23 Baxter Laboratories, Inc. Burette chamber for use with intravenous solution administration set
FR2313944A1 (fr) * 1975-06-13 1977-01-07 Baxter Travenol Lab Dispositif de filtration sans blocage d'air et appareil d'injection de liquide parenteral comportant un tel dispositif
US3993062A (en) * 1975-11-03 1976-11-23 Baxter Laboratories, Inc. Hydrophobic valve
US4066079A (en) * 1976-11-03 1978-01-03 Chiarolla Victor D Filter needle

Also Published As

Publication number Publication date
DE2821482C3 (de) 1981-05-14
JPS5643428B2 (fr) 1981-10-12
DE2821482A1 (de) 1978-11-23
GB1585989A (en) 1981-03-11
FR2390984B1 (fr) 1983-07-18
CA1098049A (fr) 1981-03-24
DE2821482B2 (de) 1980-09-18
US4116646A (en) 1978-09-26
JPS5416887A (en) 1979-02-07

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