CA2912125C - Breathable gas apparatus with humidifier - Google Patents

Breathable gas apparatus with humidifier Download PDF

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Publication number
CA2912125C
CA2912125C CA2912125A CA2912125A CA2912125C CA 2912125 C CA2912125 C CA 2912125C CA 2912125 A CA2912125 A CA 2912125A CA 2912125 A CA2912125 A CA 2912125A CA 2912125 C CA2912125 C CA 2912125C
Authority
CA
Canada
Prior art keywords
air
volute
outlet
supply
muffler
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.)
Expired - Lifetime
Application number
CA2912125A
Other languages
English (en)
French (fr)
Other versions
CA2912125A1 (en
Inventor
Barton John Kenyon
Arthur Kin-Wai Yee
Rohan Neil Primrose
Jim Saada
John Michael Snow
Marek Tomasz Sapula
Geoffrey Crumblin
Duncan Lovel Trevor-Wilson
Perry David Lithgow
Alexander Virr
Donald Angus Richmond
Andrew Charles Murray
Mark John Payne
Simone Marie Jeha
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.)
Resmed Pty Ltd
Original Assignee
Resmed Pty Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42357983&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2912125(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AU2003903139A external-priority patent/AU2003903139A0/en
Priority claimed from AU2003905136A external-priority patent/AU2003905136A0/en
Application filed by Resmed Pty Ltd filed Critical Resmed Pty Ltd
Priority to CA3045674A priority Critical patent/CA3045674C/en
Publication of CA2912125A1 publication Critical patent/CA2912125A1/en
Application granted granted Critical
Publication of CA2912125C publication Critical patent/CA2912125C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/0245—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
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    • A—HUMAN NECESSITIES
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693—Details or arrangements of the wiring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Public Health (AREA)
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  • Physics & Mathematics (AREA)
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  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Physiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Air Humidification (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Motor Or Generator Frames (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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US20160114122A1 (en) 2016-04-28
DE202004021796U1 (de) 2011-02-10
EP2910271A1 (en) 2015-08-26
US20200297953A1 (en) 2020-09-24
CN105194774A (zh) 2015-12-30
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CA3045674C (en) 2022-03-22
ATE517649T1 (de) 2011-08-15
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DE202004021774U1 (de) 2010-11-18
EP2910271B1 (en) 2019-06-12
CN101947343A (zh) 2011-01-19
US20210260316A1 (en) 2021-08-26
CA2753378C (en) 2016-01-19
CA3045674A1 (en) 2004-12-29
US11413412B2 (en) 2022-08-16
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US9539409B2 (en) 2017-01-10
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US20150306336A1 (en) 2015-10-29
DE202004021794U1 (de) 2011-02-10

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