CA2780519C - Float valve system for a respiratory humidification system - Google Patents

Float valve system for a respiratory humidification system Download PDF

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Publication number
CA2780519C
CA2780519C CA2780519A CA2780519A CA2780519C CA 2780519 C CA2780519 C CA 2780519C CA 2780519 A CA2780519 A CA 2780519A CA 2780519 A CA2780519 A CA 2780519A CA 2780519 C CA2780519 C CA 2780519C
Authority
CA
Canada
Prior art keywords
valve seat
float
chamber
actuating member
valve
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
CA2780519A
Other languages
English (en)
French (fr)
Other versions
CA2780519A1 (en
Inventor
Christopher Jesse Zollinger
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.)
Sunmed Group Holdings LLC
Original Assignee
CareFusion 2200 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 CareFusion 2200 Inc filed Critical CareFusion 2200 Inc
Publication of CA2780519A1 publication Critical patent/CA2780519A1/en
Application granted granted Critical
Publication of CA2780519C publication Critical patent/CA2780519C/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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/162—Water-reservoir filling system, e.g. automatic
    • A61M16/164—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system
    • A61M16/165—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator
    • A61M16/168—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator having a dual float
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/162—Water-reservoir filling system, e.g. automatic
    • A61M16/164—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system
    • A61M16/165—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator
    • A61M16/167—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator acting vertically on the valve
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A61M16/0833—T- or Y-type connectors, e.g. Y-piece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7404—Plural floats
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7423—Rectilinearly traveling float
    • Y10T137/7426—Float co-axial with valve or port
    • Y10T137/7436—Float rigid with valve

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Air Humidification (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Float Valves (AREA)
CA2780519A 2009-11-11 2010-10-12 Float valve system for a respiratory humidification system Active CA2780519C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/616,414 2009-11-11
US12/616,414 US8347909B2 (en) 2009-11-11 2009-11-11 Float valve system for a respiratory humidification system
PCT/US2010/052342 WO2011059623A1 (en) 2009-11-11 2010-10-12 Float valve system for a respiratory humidification system

Publications (2)

Publication Number Publication Date
CA2780519A1 CA2780519A1 (en) 2011-05-19
CA2780519C true CA2780519C (en) 2017-11-07

Family

ID=43332567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2780519A Active CA2780519C (en) 2009-11-11 2010-10-12 Float valve system for a respiratory humidification system

Country Status (11)

Country Link
US (1) US8347909B2 (cg-RX-API-DMAC10.html)
EP (2) EP3028731A1 (cg-RX-API-DMAC10.html)
JP (2) JP5763089B2 (cg-RX-API-DMAC10.html)
CN (2) CN105288815B (cg-RX-API-DMAC10.html)
AU (1) AU2010318561B2 (cg-RX-API-DMAC10.html)
BR (1) BR112012011254B1 (cg-RX-API-DMAC10.html)
CA (1) CA2780519C (cg-RX-API-DMAC10.html)
ES (1) ES2568216T3 (cg-RX-API-DMAC10.html)
MX (2) MX348424B (cg-RX-API-DMAC10.html)
RU (1) RU2579628C2 (cg-RX-API-DMAC10.html)
WO (1) WO2011059623A1 (cg-RX-API-DMAC10.html)

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ITMO20060202A1 (it) * 2006-06-21 2007-12-22 Galliano Bentivoglio Pistola per erogare combustibile liquido
US8347909B2 (en) * 2009-11-11 2013-01-08 Carefusion 2200, Inc. Float valve system for a respiratory humidification system
CA3176668A1 (en) 2012-03-15 2013-09-19 Fisher & Paykel Healthcare Limited Respiratory gas humidification system
US9974921B2 (en) * 2012-04-27 2018-05-22 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
AU2013281354B2 (en) 2012-06-25 2018-03-22 Fisher & Paykel Healthcare Limited Medical components with microstructures for humidification and condensate management
EP2968830B1 (en) 2013-03-14 2019-03-06 Fisher & Paykel Healthcare Limited Humidification chamber with microstructured surface
US10207074B2 (en) * 2013-09-04 2019-02-19 Fisher & Paykel Healthcare Limited Float retention arrangement for humidification chamber
GB2534496B (en) 2013-09-13 2020-04-01 Fisher & Paykel Healthcare Ltd A cartridge for a respiratory humidifier
WO2015119515A1 (en) 2014-02-07 2015-08-13 Fisher & Paykel Healthcare Limited Respiratory humidification system
CN112370630A (zh) 2014-06-03 2021-02-19 费雪派克医疗保健有限公司 用于呼吸治疗系统的流动混合器
SG10202010888YA (en) * 2016-05-02 2020-12-30 Fisher & Paykel Healthcare Ltd Humidification chamber and chamber seal for a respiratory assistance apparatus
WO2018106126A1 (en) 2016-12-07 2018-06-14 Fisher And Paykel Healthcare Limited Sensing arrangements for medical devices
TWI657841B (zh) * 2017-08-10 2019-05-01 貝斯美德股份有限公司 具有懸吊式浮子的加濕室
CN108253572B (zh) * 2018-02-07 2023-07-04 佛山市金星徽电器有限公司 一种具有双阀体结构的加湿器
US11338105B2 (en) * 2018-03-27 2022-05-24 Globalmed, Inc. Respiratory humidification device
US11464936B2 (en) * 2019-04-25 2022-10-11 Besmed Health Business Corp. Auto feed humidification chamber with improved structure
CN111888612B (zh) * 2019-05-06 2022-10-28 宁波贝斯美德医用器械有限公司 自动注水加湿室结构改良
DE102020114921A1 (de) * 2020-06-04 2021-12-09 Hamilton Medical Ag Schwimmergesteuerte Ventilanordnung mit redundant wirkenden Schwimmerkörpern
CN111888610B (zh) * 2020-07-27 2024-09-27 绵竹市人民医院 一种呼吸机集水杯及呼吸机
CN114060724B (zh) * 2020-08-07 2025-05-30 广州市创韦电子科技有限公司 供液系统

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US4529867A (en) 1984-02-09 1985-07-16 Inspiron Corporation Humidifier and heater
CN87205154U (zh) * 1987-09-02 1988-06-29 邓长春 气压式液体开关阀
NZ221689A (en) * 1987-09-07 1990-09-26 Fisher & Paykel Humidifier: float in gas chamber controls water inlet
DE68913535T2 (de) 1989-10-11 1994-06-09 Zip Heaters Aust Pty Ltd Schwimmkasten.
USRE35153E (en) * 1990-04-17 1996-02-06 Duracraft Corporation Humidifier with float activated water level responsive turn off
DE69323518T2 (de) * 1992-09-23 1999-06-17 Fisher & Paykel Ltd., East Tamaki, Auckland Befeuchter mit doppelten Schwimmerventilen
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US6427984B1 (en) * 2000-08-11 2002-08-06 Hamilton Beach/Proctor-Silex, Inc. Evaporative humidifier
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GB0212375D0 (en) * 2002-05-29 2002-07-10 Intersurgical Ltd Improvements relating to floats
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US7182321B2 (en) * 2004-12-02 2007-02-27 Chuan-Pan Huang Safety device for a humidifier
US8997740B2 (en) * 2005-09-27 2015-04-07 Ric Investments, Llc Humidifier with back-flow prevention valve
US8701662B2 (en) * 2005-09-27 2014-04-22 Ric Investments, Llc Humidifier with back-flow prevention valve
US7614420B2 (en) 2006-04-17 2009-11-10 Allegiance Corporation Autofeed mechanism for heated humidifier chamber
GB0615871D0 (en) 2006-08-10 2006-09-20 Intersurgical Ag Improvements relating to humidification chambers
GB0615872D0 (en) * 2006-08-10 2006-09-27 Intersurgical Ag Improvements relating to humidification chambers
US7722016B2 (en) * 2006-08-31 2010-05-25 Medex Cardio-Pulmonary, Inc. Float for humidification chamber
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US8347909B2 (en) * 2009-11-11 2013-01-08 Carefusion 2200, Inc. Float valve system for a respiratory humidification system

Also Published As

Publication number Publication date
CN105288815A (zh) 2016-02-03
JP5763089B2 (ja) 2015-08-12
CN103096962B (zh) 2015-11-25
BR112012011254A2 (pt) 2016-04-05
AU2010318561B2 (en) 2015-07-02
JP6007290B2 (ja) 2016-10-12
BR112012011254B1 (pt) 2019-12-24
EP3028731A1 (en) 2016-06-08
JP2015211851A (ja) 2015-11-26
WO2011059623A1 (en) 2011-05-19
JP2013517010A (ja) 2013-05-16
MX2012005486A (es) 2012-08-01
EP2498856A1 (en) 2012-09-19
AU2010318561A1 (en) 2012-06-28
CA2780519A1 (en) 2011-05-19
US20110108028A1 (en) 2011-05-12
RU2579628C2 (ru) 2016-04-10
EP2498856B1 (en) 2016-03-02
CN103096962A (zh) 2013-05-08
US8347909B2 (en) 2013-01-08
ES2568216T3 (es) 2016-04-28
RU2012124055A (ru) 2013-12-20
CN105288815B (zh) 2018-03-30
MX348424B (es) 2017-06-12

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