CA2195360A1 - Intravenous filter device - Google Patents

Intravenous filter device

Info

Publication number
CA2195360A1
CA2195360A1 CA002195360A CA2195360A CA2195360A1 CA 2195360 A1 CA2195360 A1 CA 2195360A1 CA 002195360 A CA002195360 A CA 002195360A CA 2195360 A CA2195360 A CA 2195360A CA 2195360 A1 CA2195360 A1 CA 2195360A1
Authority
CA
Canada
Prior art keywords
housing
front side
inlet
outlet
tubing
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
CA002195360A
Other languages
French (fr)
Other versions
CA2195360C (en
Inventor
Ricky R. Ruschke
John A. Leahey
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.)
Illinois Tool Works Inc
Original Assignee
Filtertek Inc
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 Filtertek Inc filed Critical Filtertek Inc
Publication of CA2195360A1 publication Critical patent/CA2195360A1/en
Application granted granted Critical
Publication of CA2195360C publication Critical patent/CA2195360C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D63/08—Flat membrane modules
    • B01D63/087—Single 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
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • 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

Abstract

An intravenous filter device comprises a filter housing having a front side, a back side, a first end, a second end, an inlet and an outlet, the housing containing a hydrophilic filtration media and defining a flow path such that intravenous fluid entering the housing through the inlet passes through the filtration media before passing out of the housing through the outlet. Inlet and outlet tubing connectors, both preferably attached to the front side of the filter housing, form, respectively, the housing inlet and outlet. In the preferred embodiment the connectors are raised above the front side of the housing such that tubing connected to the connectors does not intersect the front side of the housing. At least one vent hole in the housing provides a passageway for gas to escape from the housing, the vent hole being preferably open to the front side of the housing. A hydrophobic membrane is positioned between the vent hole and the flow path at a position along the flow path between the inlet and the hydrophilic filtration media. In a preferred embodiment, a tubing clip is provided to help orient the filter to make it self priming and prevent I.V. set tubing from kinking.
CA002195360A 1996-01-18 1997-01-17 Intravenous filter device Expired - Lifetime CA2195360C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/588,231 1996-01-18
US08/588,231 US5827429A (en) 1996-01-18 1996-01-18 Intravenous filter device

Publications (2)

Publication Number Publication Date
CA2195360A1 true CA2195360A1 (en) 1997-07-19
CA2195360C CA2195360C (en) 2003-01-07

Family

ID=24353018

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002195360A Expired - Lifetime CA2195360C (en) 1996-01-18 1997-01-17 Intravenous filter device

Country Status (4)

Country Link
US (1) US5827429A (en)
EP (1) EP0784988B1 (en)
CA (1) CA2195360C (en)
DE (1) DE69725629T2 (en)

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Also Published As

Publication number Publication date
US5827429A (en) 1998-10-27
CA2195360C (en) 2003-01-07
DE69725629T2 (en) 2004-08-12
EP0784988A1 (en) 1997-07-23
DE69725629D1 (en) 2003-11-27
EP0784988B1 (en) 2003-10-22

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Effective date: 20170117