WO1998012965A1 - Assisted ventilation to match patient respiratory need - Google Patents

Assisted ventilation to match patient respiratory need Download PDF

Info

Publication number
WO1998012965A1
WO1998012965A1 PCT/AU1997/000631 AU9700631W WO9812965A1 WO 1998012965 A1 WO1998012965 A1 WO 1998012965A1 AU 9700631 W AU9700631 W AU 9700631W WO 9812965 A1 WO9812965 A1 WO 9812965A1
Authority
WO
WIPO (PCT)
Prior art keywords
respiratory
airflow
pressure
calculating
instantaneous
Prior art date
Application number
PCT/AU1997/000631
Other languages
English (en)
French (fr)
Inventor
Michael Berthon-Jones
Original Assignee
Resmed Limited
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
Priority claimed from PCT/AU1997/000517 external-priority patent/WO1998006449A1/en
Application filed by Resmed Limited filed Critical Resmed Limited
Priority to DE69710100T priority Critical patent/DE69710100T2/de
Priority to CA002266454A priority patent/CA2266454C/en
Priority to AU41933/97A priority patent/AU739753B2/en
Priority to AT97939877T priority patent/ATE212206T1/de
Priority to JP1998515065A priority patent/JP3558167B6/ja
Priority to EP97939877A priority patent/EP0996358B1/en
Publication of WO1998012965A1 publication Critical patent/WO1998012965A1/en

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
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/085—Measuring impedance of respiratory organs or lung elasticity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • 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
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • 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
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • 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
    • A61M16/06—Respiratory or anaesthetic masks
    • 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
    • A61M16/105—Filters
    • A61M16/1055—Filters bacterial
    • 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
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
    • A61M2016/0021—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0036—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the breathing tube and used in both inspiratory and expiratory phase
    • 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
    • A61M2205/15—Detection of leaks
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Artificial Intelligence (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Evolutionary Computation (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Steroid Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • External Artificial Organs (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Ventilation (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
PCT/AU1997/000631 1996-09-23 1997-09-23 Assisted ventilation to match patient respiratory need WO1998012965A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE69710100T DE69710100T2 (de) 1996-09-23 1997-09-23 Bestimmung der Ein/Ausatemphase eines Atemzykluses
CA002266454A CA2266454C (en) 1996-09-23 1997-09-23 Determination of respiratory phase
AU41933/97A AU739753B2 (en) 1996-09-23 1997-09-23 Respiratory phase determination
AT97939877T ATE212206T1 (de) 1996-09-23 1997-09-23 Bestimmung der ein/ausatemphase eines atemzykluses
JP1998515065A JP3558167B6 (ja) 1996-09-23 1997-09-23 患者の呼吸の必要性と調和する補助された換気方法及び装置
EP97939877A EP0996358B1 (en) 1996-09-23 1997-09-23 Determination of respiratory phase

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPO2474 1996-09-23
AUPO2474A AUPO247496A0 (en) 1996-09-23 1996-09-23 Assisted ventilation to match patient respiratory need
AUPCT/AU97/00517 1997-08-14
PCT/AU1997/000517 WO1998006449A1 (en) 1996-08-14 1997-08-14 Determination of leak and respiratory airflow

Publications (1)

Publication Number Publication Date
WO1998012965A1 true WO1998012965A1 (en) 1998-04-02

Family

ID=3796785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1997/000631 WO1998012965A1 (en) 1996-09-23 1997-09-23 Assisted ventilation to match patient respiratory need

Country Status (9)

Country Link
US (10) US6532957B2 (US06810876-20041102-M00007.png)
EP (4) EP1005830B1 (US06810876-20041102-M00007.png)
JP (4) JP3730089B2 (US06810876-20041102-M00007.png)
AT (4) ATE212206T1 (US06810876-20041102-M00007.png)
AU (2) AUPO247496A0 (US06810876-20041102-M00007.png)
CA (4) CA2266454C (US06810876-20041102-M00007.png)
DE (4) DE69710100T2 (US06810876-20041102-M00007.png)
ES (2) ES2198240T3 (US06810876-20041102-M00007.png)
WO (1) WO1998012965A1 (US06810876-20041102-M00007.png)

Cited By (107)

* Cited by examiner, † Cited by third party
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WO1999061088A1 (en) 1998-05-22 1999-12-02 Resmed Limited Ventilatory assistance for treatment of cardiac failure and cheyne-stokes breathing
EP0965306A1 (fr) * 1998-06-18 1999-12-22 Taema Dispositif de détermination de phases respiratoires du sommeil d'un utilisateur
WO2000027459A1 (en) * 1998-11-06 2000-05-18 Caradyne (R & D) Limited Portable respirator
WO2000066207A1 (de) * 1999-05-04 2000-11-09 MAP Medizintechnik für Arzt und Patient GmbH & Co. KG Vorrichtung zur zufuhr eines atemgases unter überdruck und steuerungsanordnung zur steuerung derselben
FR2794635A1 (fr) * 1999-06-14 2000-12-15 Taema Appareil de diagnostic ou de traitement des troubles respiratoires du sommeil et procede de fonctionnement
WO2000078379A1 (en) * 1999-06-16 2000-12-28 Resmed Ltd. Apparatus with automatic respiration monitoring and display
WO2001019440A1 (en) * 1999-09-15 2001-03-22 Resmed Ltd. Patient-ventilator synchronization using dual phase sensors
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WO2001091841A1 (en) * 2000-05-31 2001-12-06 Jan Hedner Method and apparatus for leak detection, by analysing humidity of ventilation gas with optical means
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US7047972B2 (en) 2002-04-23 2006-05-23 Resmed Limited Ergonomic and adjustable respiratory mask assembly with headgear assembly
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DE10021784B4 (de) * 1999-05-04 2008-01-17 Map Medizin-Technologie Gmbh Anordnung zur Diagnose und/oder Therapie schlafbezogener Atmungsstörungen
EP1938856A1 (en) 2001-11-22 2008-07-02 ResMed Ltd. Respiratory mask and gas washout vent
EP1985327A1 (en) 1999-06-18 2008-10-29 ResMed Limited Forehead support for facial mask
US7523754B2 (en) 2001-09-07 2009-04-28 Resmed Limited Cushion for a respiratory mask assembly
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EP2173249A1 (en) * 2007-07-26 2010-04-14 UTI Limited Partnership Transient intervention for modifying the breathing of a patient
US7753050B2 (en) 2001-09-07 2010-07-13 Resmed Limited Headgear connection assembly for a respiratory mask assembly
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US7934501B2 (en) 2004-07-23 2011-05-03 Resmed Limited Swivel elbow for a patient interface
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US8875710B2 (en) 2001-10-22 2014-11-04 Resmed R&D Germany Gmbh Application device for a breathing mask arrangement
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US10166357B2 (en) 2006-12-15 2019-01-01 Resmed Limited Delivery of respiratory therapy with nasal interface
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ATE237990T1 (de) 2003-05-15
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US6484719B1 (en) 2002-11-26
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US6810876B2 (en) 2004-11-02
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US6575163B1 (en) 2003-06-10
US8733351B2 (en) 2014-05-27
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DE69721330T2 (de) 2004-03-04
US7644713B2 (en) 2010-01-12
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US20020023644A1 (en) 2002-02-28
EP1005829B8 (en) 2003-08-13
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ATE321489T1 (de) 2006-04-15
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EP0996358B1 (en) 2002-01-23
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US20120006328A1 (en) 2012-01-12
DE69735557T2 (de) 2007-02-01
DE69710100T2 (de) 2002-07-18
EP1005829B1 (en) 2003-04-23
US6532957B2 (en) 2003-03-18
JP2005279317A (ja) 2005-10-13
US6688307B2 (en) 2004-02-10
DE69710100D1 (de) 2002-03-14
EP1005829A1 (en) 2000-06-07
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US9974911B2 (en) 2018-05-22
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