CA2718169C - Degassing device - Google Patents

Degassing device Download PDF

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Publication number
CA2718169C
CA2718169C CA2718169A CA2718169A CA2718169C CA 2718169 C CA2718169 C CA 2718169C CA 2718169 A CA2718169 A CA 2718169A CA 2718169 A CA2718169 A CA 2718169A CA 2718169 C CA2718169 C CA 2718169C
Authority
CA
Canada
Prior art keywords
degassing device
liquid
housing
degassing
spiral
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.)
Active
Application number
CA2718169A
Other languages
English (en)
French (fr)
Other versions
CA2718169A1 (en
Inventor
Christof Beck
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 Lundia AB
Original Assignee
Gambro Lundia AB
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 Gambro Lundia AB filed Critical Gambro Lundia AB
Publication of CA2718169A1 publication Critical patent/CA2718169A1/en
Application granted granted Critical
Publication of CA2718169C publication Critical patent/CA2718169C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • External Artificial Organs (AREA)
CA2718169A 2008-04-30 2009-04-28 Degassing device Active CA2718169C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08008247.2 2008-04-30
EP08008247A EP2113266A1 (en) 2008-04-30 2008-04-30 Degassing device
PCT/EP2009/003068 WO2009132816A1 (en) 2008-04-30 2009-04-28 Degassing device

Publications (2)

Publication Number Publication Date
CA2718169A1 CA2718169A1 (en) 2009-11-05
CA2718169C true CA2718169C (en) 2013-07-23

Family

ID=39791064

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2718169A Active CA2718169C (en) 2008-04-30 2009-04-28 Degassing device

Country Status (8)

Country Link
US (1) US8444586B2 (enExample)
EP (2) EP2113266A1 (enExample)
JP (1) JP5425889B2 (enExample)
KR (1) KR101479372B1 (enExample)
CN (1) CN102014985B (enExample)
AU (1) AU2009242427B2 (enExample)
CA (1) CA2718169C (enExample)
WO (1) WO2009132816A1 (enExample)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224750A1 (de) 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Vorrichtung zur Behandlung einer medizinischen Flüssigkeit
CA3123166A1 (en) 2006-04-14 2007-10-25 Deka Products Limited Partnership Systems, devices and methods for fluid pumping, heat exchange, thermal sensing, and conductivity sensing
US10537671B2 (en) 2006-04-14 2020-01-21 Deka Products Limited Partnership Automated control mechanisms in a hemodialysis apparatus
US8562834B2 (en) 2007-02-27 2013-10-22 Deka Products Limited Partnership Modular assembly for a portable hemodialysis system
US20090107335A1 (en) 2007-02-27 2009-04-30 Deka Products Limited Partnership Air trap for a medical infusion device
US8425471B2 (en) 2007-02-27 2013-04-23 Deka Products Limited Partnership Reagent supply for a hemodialysis system
US8357298B2 (en) 2007-02-27 2013-01-22 Deka Products Limited Partnership Hemodialysis systems and methods
US8888470B2 (en) 2007-02-27 2014-11-18 Deka Products Limited Partnership Pumping cassette
KR20230165373A (ko) 2007-02-27 2023-12-05 데카 프로덕츠 리미티드 파트너쉽 혈액투석 시스템
US8393690B2 (en) 2007-02-27 2013-03-12 Deka Products Limited Partnership Enclosure for a portable hemodialysis system
US8491184B2 (en) 2007-02-27 2013-07-23 Deka Products Limited Partnership Sensor apparatus systems, devices and methods
US9028691B2 (en) 2007-02-27 2015-05-12 Deka Products Limited Partnership Blood circuit assembly for a hemodialysis system
US8042563B2 (en) 2007-02-27 2011-10-25 Deka Products Limited Partnership Cassette system integrated apparatus
US8409441B2 (en) 2007-02-27 2013-04-02 Deka Products Limited Partnership Blood treatment systems and methods
US11833281B2 (en) 2008-01-23 2023-12-05 Deka Products Limited Partnership Pump cassette and methods for use in medical treatment system using a plurality of fluid lines
US12089589B2 (en) 2009-10-12 2024-09-17 Hemanext Inc. Irradiation of red blood cells and anaerobic storage
BR112012008683B8 (pt) * 2009-10-12 2022-11-08 Hemanext Inc dispositivo de armazenagem de sangue para armazenar sangue depletado de oxigênio e dióxido de carbono, dispositivo de depleção de oxigênio e dióxido de carbono, método para remover oxigênio e dióxido de carbono de hemácias, sistema de armazenagem de sangue, dispositivo de armazenagem de sangue, método para remover oxigênio de hemácias e método para aumentar os níveis de adenosina trifosfato (atp) nas hemácias
US9199016B2 (en) 2009-10-12 2015-12-01 New Health Sciences, Inc. System for extended storage of red blood cells and methods of use
US11284616B2 (en) 2010-05-05 2022-03-29 Hemanext Inc. Irradiation of red blood cells and anaerobic storage
JP2013509271A (ja) 2009-10-30 2013-03-14 デカ・プロダクツ・リミテッド・パートナーシップ 血管アクセスデバイスの離脱を検知するための装置および方法
WO2012027582A1 (en) 2010-08-25 2012-03-01 New Health Sciences Method for enhancing red blood cell quality and survival during storage
EP4218412A1 (en) 2010-11-05 2023-08-02 Hemanext Inc. Irradiation of red blood cells and anaerobic storage
CN102172439A (zh) * 2011-03-15 2011-09-07 新兴能源装备股份有限公司 旋液消泡器及其消泡方法
US9067004B2 (en) 2011-03-28 2015-06-30 New Health Sciences, Inc. Method and system for removing oxygen and carbon dioxide during red cell blood processing using an inert carrier gas and manifold assembly
CN102258814A (zh) * 2011-04-27 2011-11-30 佛山市博新生物科技有限公司 具有螺旋状入口的血液净化器端盖
EP2714123B1 (en) 2011-05-24 2017-08-09 DEKA Products Limited Partnership Blood treatment systems and methods
JP6109819B2 (ja) 2011-05-24 2017-04-05 デカ・プロダクツ・リミテッド・パートナーシップ 血液透析システム
AU2012294269B2 (en) 2011-08-10 2016-11-24 Hemanext Inc. Integrated leukocyte, oxygen and/or CO2 depletion, and plasma separation filter device
CN102350012B (zh) * 2011-10-29 2014-05-28 北京梅德厚普科技有限公司 储液过滤排气装置及基于储液过滤排气装置的血肿清除器
US9920880B2 (en) * 2012-01-16 2018-03-20 Hamilton Sundstrand Corporation Deaerating assembly
US9173987B2 (en) * 2013-02-01 2015-11-03 Medtronic, Inc. Degassing module for a controlled compliant flow path
CA2902061C (en) 2013-02-28 2023-08-08 New Health Sciences, Inc. Gas depletion and gas addition devices for blood treatment
JP6461975B2 (ja) 2013-12-23 2019-01-30 ユニバーシティ・オブ・メリーランド・ボルティモアUniversity Of Maryland, Baltimore 血液酸素付加装置
JP5962708B2 (ja) * 2014-06-10 2016-08-03 横河電機株式会社 脱泡槽
DE102014014725A1 (de) * 2014-10-02 2016-04-07 Resuscitec Gmbh Vorrichtung mit einem beutelförmigen Behältnis sowie Verfahren zum gasblasenfreien Befüllen eines pumpenbetriebenen, hohlleitungsgestützten Flüssigkeitskreislaufes mittels der Vorrichtung
WO2016064715A1 (en) 2014-10-20 2016-04-28 The Regents Of The University Of Michigan Gated-concentric artificial lung
KR20250033333A (ko) 2015-03-10 2025-03-07 헤마넥스트 인코포레이티드 산소 감소 1회용 키트, 장치 및 이의 사용 방법
US9889391B2 (en) * 2015-03-25 2018-02-13 Veolia Water Solutions & Technologies Support Degasser and method of stripping gas from a liquid
BR122022005103B1 (pt) 2015-04-23 2023-03-14 Hemanext Inc Dispositivo de armazenamento de sangue para armazenar sangue depletado de oxigênio e método para armazenar sangue depletado de oxigênio
PT3297641T (pt) 2015-05-18 2025-10-09 Hemanext Inc Métodos de armazenamento de sangue total e respetivas composições
US10179213B2 (en) 2015-05-27 2019-01-15 Vital Signs, Inc. Apparatus and methods for intravenous gas elimination
CN105251241B (zh) 2015-09-15 2018-01-30 京东方科技集团股份有限公司 除泡系统
US10625009B2 (en) 2016-02-17 2020-04-21 Baxter International Inc. Airtrap, system and method for removing microbubbles from a fluid stream
CN109195632A (zh) 2016-05-27 2019-01-11 新健康科学股份有限公司 厌氧血液储存和病原体失活方法
JP7053630B2 (ja) 2016-09-22 2022-04-12 クリストファー, ジェイ プロット, 血液の体外コンディショニングのための機器及び方法
DE102016220107B4 (de) * 2016-10-14 2020-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entgasungsvorrichtung
DE102016122660A1 (de) * 2016-11-24 2018-05-24 B. Braun Avitum Ag Medizintechnischer Luftabscheider zur Anwendung bei Blutbehandlungen
DE102017102175A1 (de) 2017-02-03 2018-08-09 B. Braun Avitum Ag Luftabscheider mit Zwangszirkulation
US10391226B2 (en) 2017-02-07 2019-08-27 International Business Machines Corporation Air bubble removal from extracorporeal blood via chemical entrapment of nitrogen
LU100759B1 (de) * 2017-09-20 2019-07-17 Hemovent Gmbh Gas-Austausch-Einheit
US10822461B2 (en) 2017-10-05 2020-11-03 Fresenius Medical Care Holdings, Inc. Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same
CN110251996A (zh) * 2018-03-12 2019-09-20 洛阳奇泓生物科技有限公司 一种液体发酵培养基在线脱气装置
JP6571234B1 (ja) 2018-03-26 2019-09-04 日機装株式会社 血液浄化装置
US12544498B2 (en) * 2018-05-17 2026-02-10 Gambro Lundia Ab Treatment apparatus with gas separation device level controls and methods
US11504484B2 (en) 2018-09-19 2022-11-22 Arthur Formanek Inline microgravity air trap device and an intravenous assembly incorporating an inline microgravity air trap device
US12673170B2 (en) 2018-09-19 2026-07-07 Arthur Formanek Inline microgravity air trap device and an intravenous assembly incorporating an inline microgravity air trap device
US10737018B2 (en) 2018-09-19 2020-08-11 Arthur Formanek Inline microgravity air trap device and an intravenous assembly incorporating an inline microgravity air trap device
US11541157B2 (en) 2019-06-18 2023-01-03 Michigan Critical Care Consultants, Inc. Membrane oxygenator with gas exchange fiber lumen access based on fiber effective length
CA3160850A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
EP4058079B1 (en) 2019-11-12 2026-01-07 Fresenius Medical Care Deutschland GmbH Blood treatment systems
CN114746129B (zh) 2019-11-12 2025-11-11 费森尤斯医疗护理德国有限责任公司 血液治疗系统
WO2021094145A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
CN114728110A (zh) * 2019-11-12 2022-07-08 费森尤斯医疗护理德国有限责任公司 血液治疗系统
CA3160952A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
CN114728109A (zh) * 2019-11-12 2022-07-08 费森尤斯医疗护理德国有限责任公司 血液治疗系统
US12558468B2 (en) 2019-12-12 2026-02-24 Fresenius Medical Care Holdings, Inc. Blood treatment systems
CN112999701B (zh) 2019-12-20 2023-08-11 台湾积体电路制造股份有限公司 用于从粘性流体去除气泡的设备
CN111888644A (zh) * 2020-08-17 2020-11-06 复旦大学附属中山医院 一种能够自动过滤并排出气泡的造影导管连接装置
WO2022153259A1 (en) 2021-01-17 2022-07-21 Inspiremd Ltd. Shunts with blood-flow indicators
EP4313255B1 (en) 2021-03-25 2025-08-13 Inspire M.D Ltd Device for shunting blood between the arterial and venous systems
CN113058365B (zh) * 2021-03-30 2022-11-11 海南吉庆槟榔烘烤设备有限公司 一种加工黑槟榔的烟气净化装置
CA3220731A1 (en) * 2021-05-28 2022-12-01 Diality Inc. Degassing unit
EP4186577A1 (de) * 2021-11-25 2023-05-31 Medtron AG Vorrichtung und verfahren zum abtrennen von gasblasen aus einem flüssigkeitsstrom
US12661490B2 (en) 2022-08-17 2026-06-23 Inspire M.D Ltd. Devices for shunting blood
CN121775530B (zh) * 2026-03-05 2026-06-16 云南电网有限责任公司 绝缘油滤油装置及方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751879A (en) * 1971-04-26 1973-08-14 Instrumentation Specialties Co Apparatus for reducing the dissolved gas concentration in a liquid
SE406039B (sv) * 1974-08-29 1979-01-22 Transcodan I vetskestrommen fran infusions- och transfusionsapparater inkopplad filterenhet
GB2055634B (en) * 1979-08-16 1983-01-26 Ishikawajima Harima Heavy Ind Gas-liquid separators
GB2063108A (en) 1979-09-28 1981-06-03 Bethune D Degassing device
US4411792A (en) * 1981-08-10 1983-10-25 Trimedyne, Inc. Lymph filtration system
JPS59228849A (ja) * 1983-06-10 1984-12-22 テルモ株式会社 液体中気泡除去装置
JPH01148266A (ja) * 1987-12-04 1989-06-09 Terumo Corp 血液フィルター
JPH0622613B2 (ja) * 1987-12-24 1994-03-30 テルモ株式会社 膜型人工肺装置
JP2858045B2 (ja) 1991-05-31 1999-02-17 バクスター インターナショナル インコーポレーテッド 脱泡用途に関する抗凝血性コーチング
US5618425A (en) * 1993-04-30 1997-04-08 Terumo Kabushiki Kaisha Filtering apparatus with a pleated filtering element embedded in a filling material
US6506340B1 (en) * 1993-06-01 2003-01-14 Cobe Cardiovascular, Inc. Antifoaming device and method for extracorporeal blood processing
DE59403215D1 (de) 1993-09-01 1997-07-31 Fresenius Ag Luftabscheider
US5632894A (en) * 1994-06-24 1997-05-27 Gish Biomedical, Inc. Arterial blood filter with upwardly inclining delivery inlet conduit
US5651765A (en) * 1995-04-27 1997-07-29 Avecor Cardiovascular Inc. Blood filter with concentric pleats and method of use
IT1281030B1 (it) * 1995-11-17 1998-02-11 Dideco Spa Agenti anti-schiuma per l'abbattimento di schiume e nebbie nel sangue e suou derivati.
US6241760B1 (en) 1996-04-26 2001-06-05 G. David Jang Intravascular stent
DE19617036C2 (de) 1996-04-27 2003-12-04 Fresenius Ag Vorrichtung zum Abscheiden von Gasblasen aus Blut
AU728816B2 (en) * 1996-05-01 2001-01-18 Pall Corporation Priming system
DE19620591B4 (de) * 1996-05-22 2004-08-26 Fresenius Medical Care Deutschland Gmbh Vorrichtung zum Entfernen von Gasen aus Flüssigkeiten
JP2000060967A (ja) * 1998-08-24 2000-02-29 Baxter Internatl Inc 血液フィルター
US6398955B1 (en) 1998-08-24 2002-06-04 Jostra Bentley, Inc. Blood filter
US6254825B1 (en) * 1999-04-01 2001-07-03 Medtronic, Inc. Antifoam compositions including lecithin and uses thereof
US6176904B1 (en) * 1999-07-02 2001-01-23 Brij M. Gupta Blood filter
JP2002069246A (ja) * 2000-06-08 2002-03-08 Daikin Ind Ltd 高疎水性エラストマー組成物
US7108785B1 (en) 2000-11-06 2006-09-19 Convergenza Handelsanstalt Blood conditioning device
JP4101512B2 (ja) * 2001-12-28 2008-06-18 日機装株式会社 透析装置
US7488448B2 (en) * 2004-03-01 2009-02-10 Indian Wells Medical, Inc. Method and apparatus for removal of gas bubbles from blood
WO2005044428A1 (en) * 2003-11-07 2005-05-19 Gambro Lundia Ab End-cap assembly with pump hose for a filter and filter comprising such an end-cap assembly
KR101099962B1 (ko) * 2003-11-07 2011-12-28 감브로 룬디아 아베 유체 분배 모듈 및 이러한 유체 분배 모듈을 포함하는 체외혈액 회로
WO2005053772A1 (en) 2003-11-24 2005-06-16 Gambro Lundia Ab Degassing device and end-cap assembly for a filter including such a degassing device
US20050284815A1 (en) * 2004-06-28 2005-12-29 Integrated Sensing Systems, Inc. Medical treatment system and method
JP4798653B2 (ja) * 2005-11-18 2011-10-19 日機装株式会社 血液浄化装置
JP2008018101A (ja) * 2006-07-13 2008-01-31 Terumo Corp 気泡除去装置
JP2007275473A (ja) * 2006-04-11 2007-10-25 Terumo Corp 気泡除去装置

Also Published As

Publication number Publication date
CN102014985A (zh) 2011-04-13
KR101479372B1 (ko) 2015-01-06
JP5425889B2 (ja) 2014-02-26
US20110092875A1 (en) 2011-04-21
KR20110009655A (ko) 2011-01-28
US8444586B2 (en) 2013-05-21
AU2009242427A1 (en) 2009-11-05
EP2282790A1 (en) 2011-02-16
EP2282790B1 (en) 2016-09-07
JP2011518628A (ja) 2011-06-30
AU2009242427B2 (en) 2013-10-10
EP2113266A1 (en) 2009-11-04
WO2009132816A1 (en) 2009-11-05
CA2718169A1 (en) 2009-11-05
CN102014985B (zh) 2014-03-19

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