CA2301839A1 - Filter system for removal of gas and particulates from cellular fluids - Google Patents

Filter system for removal of gas and particulates from cellular fluids Download PDF

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Publication number
CA2301839A1
CA2301839A1 CA002301839A CA2301839A CA2301839A1 CA 2301839 A1 CA2301839 A1 CA 2301839A1 CA 002301839 A CA002301839 A CA 002301839A CA 2301839 A CA2301839 A CA 2301839A CA 2301839 A1 CA2301839 A1 CA 2301839A1
Authority
CA
Canada
Prior art keywords
chamber
particulate filter
vortex
gas
fluid
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
CA002301839A
Other languages
French (fr)
Other versions
CA2301839C (en
Inventor
Dana A. Oliver
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.)
Smiths Medical ASD Inc
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
Application filed by Individual filed Critical Individual
Publication of CA2301839A1 publication Critical patent/CA2301839A1/en
Application granted granted Critical
Publication of CA2301839C publication Critical patent/CA2301839C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61M1/36—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
    • 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
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
    • B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet

Abstract

A gas elimination system includes a gas elimination device (2) and priming system (8). The gas elimination device (2) includes a vortex chamber (14) that forms a vortex in the fluid flowing into the chamber (14) and a particulate filter (30) that removes particles from the fluid. The particulate filter (30) is located in the vortex chamber (14) such that the vortex is formed in a substantial volume of the chamber (14) before it encounters the particulate filter (30). When fluid encounters the particulate filter (30), the vortex is generally stopped, and additional released gases rise through the open top of the particulate filter (30). The device (2) also includes an outlet chamber (36) connected to the vortex chamber (14), and the particulate filter (30) extends into the outlet chamber (36). A check valve (38) is located at the outlet (40) of the outlet chamber (36) to shut off flow when the device (2) contains excess gas. The priming system in the form of a pillow block (8) is arranged to force air or fluid upward to dislodge the check valve (38), should it become stuck in the valve seat (42).
CA002301839A 1997-10-31 1998-10-29 Filter system for removal of gas and particulates from cellular fluids Expired - Fee Related CA2301839C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/962,596 1997-10-31
US08/962,596 US5961700A (en) 1997-10-31 1997-10-31 Filter system for removal of gas and particulates from cellular fluids
PCT/US1998/022768 WO1999022840A1 (en) 1997-10-31 1998-10-29 Filter system for removal of gas and particulates from cellular fluids

Publications (2)

Publication Number Publication Date
CA2301839A1 true CA2301839A1 (en) 1999-05-14
CA2301839C CA2301839C (en) 2007-09-18

Family

ID=25506115

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002301839A Expired - Fee Related CA2301839C (en) 1997-10-31 1998-10-29 Filter system for removal of gas and particulates from cellular fluids

Country Status (12)

Country Link
US (1) US5961700A (en)
EP (1) EP1027125B1 (en)
JP (1) JP2001521810A (en)
CN (1) CN1173763C (en)
AU (1) AU1202599A (en)
BR (1) BR9814829A (en)
CA (1) CA2301839C (en)
DE (1) DE69840605D1 (en)
DK (1) DK1027125T3 (en)
ES (1) ES2320941T3 (en)
HK (1) HK1032213A1 (en)
WO (1) WO1999022840A1 (en)

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US6464666B1 (en) * 1999-10-08 2002-10-15 Augustine Medical, Inc. Intravenous fluid warming cassette with stiffening member and integral handle
US7238171B2 (en) 2001-03-12 2007-07-03 Medical Solutions, Inc. Method and apparatus for controlling pressurized infusion and temperature of infused liquids
US6675664B1 (en) 2001-12-13 2004-01-13 Itt Manufacuring Enterprises, Inc. Back flushable sample probe
US8226605B2 (en) 2001-12-17 2012-07-24 Medical Solutions, Inc. Method and apparatus for heating solutions within intravenous lines to desired temperatures during infusion
DE10224750A1 (en) 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Device for the treatment of a medical fluid
EP2055331B1 (en) * 2002-06-24 2014-05-14 Gambro Lundia AB Gas separation devices
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US7488448B2 (en) * 2004-03-01 2009-02-10 Indian Wells Medical, Inc. Method and apparatus for removal of gas bubbles from blood
US7611504B1 (en) 2004-03-09 2009-11-03 Patented Medical Solutions Llc Method and apparatus for facilitating injection of medication into an intravenous fluid line while maintaining sterility of infused fluids
US7288138B2 (en) * 2004-11-22 2007-10-30 Eaton Corporation Three-phase cyclonic fluid separator
US7740611B2 (en) 2005-10-27 2010-06-22 Patented Medical Solutions, Llc Method and apparatus to indicate prior use of a medical item
US8226293B2 (en) 2007-02-22 2012-07-24 Medical Solutions, Inc. Method and apparatus for measurement and control of temperature for infused liquids
US7720362B2 (en) * 2007-04-24 2010-05-18 Arizant Healthcare Inc. Heat exchanger for high flow rate infusion
US8328770B2 (en) * 2011-01-07 2012-12-11 Hsien-Tsung Wang Disposable blood transfusion device
US8518259B2 (en) * 2011-01-27 2013-08-27 Medtronic, Inc. De-airing oxygenator for treating blood in an extracorporeal blood circuit
US9211381B2 (en) 2012-01-20 2015-12-15 Medical Solutions, Inc. Method and apparatus for controlling temperature of medical liquids
TW201332627A (en) * 2012-02-15 2013-08-16 Asia Ic Mic Process Inc Bubble removing device for liquid
WO2014126964A1 (en) 2013-02-15 2014-08-21 Medical Solutions, Inc. Plural medical item warming system and method for warming a plurality of medical items to desired temperatures
JP6352435B2 (en) * 2014-02-14 2018-07-04 リチャード デニス グリーン System and method for removing gas
US20170137769A1 (en) * 2014-03-28 2017-05-18 Hitachi Chemical Company, Ltd. Cell capturing apparatus, cell capturing device provided with pre-processing part, and pre-processing part
DE102014014725A1 (en) * 2014-10-02 2016-04-07 Resuscitec Gmbh Device with a bag-shaped container and method for gas bubble-free filling of a pump-driven, hollow-line-supported liquid circuit by means of the device
JP1591454S (en) * 2016-04-05 2017-11-20
DE102016122660A1 (en) * 2016-11-24 2018-05-24 B. Braun Avitum Ag Medical air separator for use in blood treatments
US10918973B2 (en) * 2017-11-02 2021-02-16 Hydac Technology Corporation Device for medium separation
WO2020006566A1 (en) * 2018-06-29 2020-01-02 410 Medical, Inc. Systems, apparatus, and methods for filtering air from a fluid line
US10717026B1 (en) 2019-02-28 2020-07-21 Covenant Testing Technology, LLC Well production separation systems and methods
US11530944B1 (en) 2019-02-28 2022-12-20 Covenant Testing Technologies, Llc Well fluid management systems and methods

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Also Published As

Publication number Publication date
WO1999022840A1 (en) 1999-05-14
EP1027125A4 (en) 2000-12-27
DE69840605D1 (en) 2009-04-09
AU1202599A (en) 1999-05-24
JP2001521810A (en) 2001-11-13
EP1027125A1 (en) 2000-08-16
ES2320941T3 (en) 2009-05-29
CN1173763C (en) 2004-11-03
CA2301839C (en) 2007-09-18
BR9814829A (en) 2000-10-03
CN1278190A (en) 2000-12-27
EP1027125B1 (en) 2009-02-25
DK1027125T3 (en) 2009-05-18
HK1032213A1 (en) 2001-07-13
US5961700A (en) 1999-10-05

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