CA2535974A1 - Water chamber for humidifier - Google Patents

Water chamber for humidifier Download PDF

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Publication number
CA2535974A1
CA2535974A1 CA002535974A CA2535974A CA2535974A1 CA 2535974 A1 CA2535974 A1 CA 2535974A1 CA 002535974 A CA002535974 A CA 002535974A CA 2535974 A CA2535974 A CA 2535974A CA 2535974 A1 CA2535974 A1 CA 2535974A1
Authority
CA
Canada
Prior art keywords
chamber
gases port
opening
tube
flow tube
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
CA002535974A
Other languages
French (fr)
Other versions
CA2535974C (en
Inventor
Martin Paul Friedrich Kramer
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.)
Fisher and Paykel Healthcare Ltd
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 CA2535974A1 publication Critical patent/CA2535974A1/en
Application granted granted Critical
Publication of CA2535974C publication Critical patent/CA2535974C/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. mouth-to-mouth respiration; 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
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/109—Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • 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
    • A61M2205/42—Reducing noise

Abstract

A water chamber (1) adapted for use in conjunction with a heater base, for humidifying an air stream. The chamber (1) including at least one horizontal ly oriented gases port (3) including an elongate flow tube (5) extending into t he chamber (1) from the inner periphery of the gases port (3), the flow tube (5 ) having an opening at its distal end facing a direction transverse to the axi s of the tube (5).

Claims (5)

1. A water chamber adapted for use in conjunction with a heater base and having at least one horizontally oriented gases port in a wall thereof the improvement comprising an elongate flow tube extending into said water chamber from the inner periphery of said at least one gases port with an opening at a distal end of said flow tube being spaced from the wall of said chamber, said opening facing a direction transverse to an axis of said tube, said transverse direction not being downwards.
2. A water chamber as claimed in claim 1, wherein said chamber includes an inlet gases port and an outlet gases port, both said inlet gases port and said outlet gases port including a said elongate flow tube.
3. A water chamber as claimed in claim 2, wherein said chamber further includes a battle between said opening of said inlet gases port tube and said opening of said outlet gases port tube.
4. A water chamber as claimed in claim 3, wherein said baffle extends from the roof of said chamber and terminates below the surface of water in said chamber when said chamber is filled to a maximum intended water level for use.
5. A water chamber as claimed in claim 2, wherein said inlet gases port and said outlet gases port includes a said elongate flow tube having an opening facing a direction transverse to an axis of said tube, said opening of said inlet flow tube and said opening of said outlet flow tube facing upwards.
CA2535974A 2003-08-20 2004-08-12 Water chamber for humidifier Active CA2535974C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ52773403 2003-08-20
NZ527734 2003-08-20
PCT/NZ2004/000182 WO2005018724A1 (en) 2003-08-20 2004-08-12 Water chamber for humidifier

Publications (2)

Publication Number Publication Date
CA2535974A1 true CA2535974A1 (en) 2005-03-03
CA2535974C CA2535974C (en) 2011-10-18

Family

ID=34214931

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2535974A Active CA2535974C (en) 2003-08-20 2004-08-12 Water chamber for humidifier

Country Status (8)

Country Link
US (1) US7616871B2 (en)
EP (3) EP3050590B1 (en)
JP (1) JP4728957B2 (en)
AU (1) AU2004266551B2 (en)
CA (1) CA2535974C (en)
DK (1) DK1656173T3 (en)
ES (1) ES2565580T3 (en)
WO (1) WO2005018724A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11129956B2 (en) 2012-04-27 2021-09-28 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11324911B2 (en) 2014-06-03 2022-05-10 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11351332B2 (en) 2016-12-07 2022-06-07 Fisher & Paykel Healthcare Limited Sensing arrangements for medical devices
US11559653B2 (en) 2014-02-07 2023-01-24 Fisher & Paykel Healthcare Limited Respiratory humidification system
US11801360B2 (en) 2013-09-13 2023-10-31 Fisher & Paykel Healthcare Limited Connections for humidification system

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EP3856313B1 (en) * 2018-09-28 2023-05-24 Koninklijke Philips N.V. Humidifier with ingress protection for use in cpap therapy
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11129956B2 (en) 2012-04-27 2021-09-28 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11878093B2 (en) 2012-04-27 2024-01-23 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11801360B2 (en) 2013-09-13 2023-10-31 Fisher & Paykel Healthcare Limited Connections for humidification system
US11559653B2 (en) 2014-02-07 2023-01-24 Fisher & Paykel Healthcare Limited Respiratory humidification system
US11324911B2 (en) 2014-06-03 2022-05-10 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11712536B2 (en) 2014-06-03 2023-08-01 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11351332B2 (en) 2016-12-07 2022-06-07 Fisher & Paykel Healthcare Limited Sensing arrangements for medical devices

Also Published As

Publication number Publication date
AU2004266551A1 (en) 2005-03-03
JP4728957B2 (en) 2011-07-20
WO2005018724A1 (en) 2005-03-03
EP1656173B1 (en) 2015-12-30
EP3747494B1 (en) 2023-09-27
EP3747494A1 (en) 2020-12-09
EP1656173A4 (en) 2008-07-09
EP3050590B1 (en) 2020-07-29
US20070230927A1 (en) 2007-10-04
US7616871B2 (en) 2009-11-10
EP1656173A1 (en) 2006-05-17
AU2004266551B2 (en) 2009-07-23
DK1656173T3 (en) 2016-04-11
CA2535974C (en) 2011-10-18
EP3050590A1 (en) 2016-08-03
ES2565580T3 (en) 2016-04-05
JP2007533344A (en) 2007-11-22

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