WO2005035033A3 - Apparatus and method for removing gasses from a liquid - Google Patents

Apparatus and method for removing gasses from a liquid Download PDF

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Publication number
WO2005035033A3
WO2005035033A3 PCT/US2004/033335 US2004033335W WO2005035033A3 WO 2005035033 A3 WO2005035033 A3 WO 2005035033A3 US 2004033335 W US2004033335 W US 2004033335W WO 2005035033 A3 WO2005035033 A3 WO 2005035033A3
Authority
WO
WIPO (PCT)
Prior art keywords
gas
liquid
permeable membrane
membrane material
devices
Prior art date
Application number
PCT/US2004/033335
Other languages
French (fr)
Other versions
WO2005035033A2 (en
Inventor
Kathryn M Usher
George R Foster
Edward M Kolvek
Andrew C Harvey
Malcolm E Taylor
Thomas Williams Lovell
Colin P Hart
William Edmund Girzone
Original Assignee
Scimed Life Systems Inc
Kathryn M Usher
George R Foster
Edward M Kolvek
Andrew C Harvey
Malcolm E Taylor
Thomas Williams Lovell
Colin P Hart
William Edmund Girzone
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 Scimed Life Systems Inc, Kathryn M Usher, George R Foster, Edward M Kolvek, Andrew C Harvey, Malcolm E Taylor, Thomas Williams Lovell, Colin P Hart, William Edmund Girzone filed Critical Scimed Life Systems Inc
Priority to EP04794634A priority Critical patent/EP1670529A2/en
Priority to JP2006534411A priority patent/JP2007508061A/en
Priority to CA002542115A priority patent/CA2542115A1/en
Publication of WO2005035033A2 publication Critical patent/WO2005035033A2/en
Publication of WO2005035033A3 publication Critical patent/WO2005035033A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/101—Spiral winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/1407—Infusion of two or more substances
    • A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36—Devices 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0031—Degasification of liquids by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/14—Pleat-type membrane modules
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
    • A61M2005/1657—Filter with membrane, e.g. membrane, flat sheet type infusion filter
    • 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
    • A61M2205/7527—General characteristics of the apparatus with filters liquophilic, hydrophilic
    • 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
    • A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36—Devices 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
    • A61M5/38—Devices 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
    • A61M5/385—Devices 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/18—Specific valves

Abstract

Medical devices (112) for removing gasses, such as gas bubbles and/or dissolved gasses, from a liquid to be delivered to a patient, and methods of use and making of such devices (112). In at least some embodiments, a gas permeable membrane material is used in the construction of the gas removal devices. In some embodiments, layers of (52, 54) gas permeable membrane material are used to construct a filter structure (50) for removing gas from the liquid. In other embodiments, hollow tubes and/or fibers of the gas permeable membrane material are used to construct a filter structure for removing gas from the liquid. The gas removal devices (112) may be used in any of a broad variety of liquid delivery systems and/or configurations.
PCT/US2004/033335 2003-10-10 2004-10-08 Apparatus and method for removing gasses from a liquid WO2005035033A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04794634A EP1670529A2 (en) 2003-10-10 2004-10-08 Apparatus and method for removing gasses from a liquid
JP2006534411A JP2007508061A (en) 2003-10-10 2004-10-08 Apparatus and method for removing gas from a liquid.
CA002542115A CA2542115A1 (en) 2003-10-10 2004-10-08 Apparatus and method for removing gasses from a liquid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/684,215 US7097690B2 (en) 2003-10-10 2003-10-10 Apparatus and method for removing gasses from a liquid
US10/684,215 2003-10-10

Publications (2)

Publication Number Publication Date
WO2005035033A2 WO2005035033A2 (en) 2005-04-21
WO2005035033A3 true WO2005035033A3 (en) 2005-07-21

Family

ID=34422939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/033335 WO2005035033A2 (en) 2003-10-10 2004-10-08 Apparatus and method for removing gasses from a liquid

Country Status (5)

Country Link
US (1) US7097690B2 (en)
EP (1) EP1670529A2 (en)
JP (1) JP2007508061A (en)
CA (1) CA2542115A1 (en)
WO (1) WO2005035033A2 (en)

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EP1670529A2 (en) 2006-06-21
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US7097690B2 (en) 2006-08-29
WO2005035033A2 (en) 2005-04-21
CA2542115A1 (en) 2005-04-21

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