CA3279192A1 - Flow path sensing for flow therapy apparatus - Google Patents

Flow path sensing for flow therapy apparatus

Info

Publication number
CA3279192A1
CA3279192A1 CA3279192A CA3279192A CA3279192A1 CA 3279192 A1 CA3279192 A1 CA 3279192A1 CA 3279192 A CA3279192 A CA 3279192A CA 3279192 A CA3279192 A CA 3279192A CA 3279192 A1 CA3279192 A1 CA 3279192A1
Authority
CA
Canada
Prior art keywords
flow
therapy apparatus
flow path
path sensing
sensing
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.)
Pending
Application number
CA3279192A
Other languages
English (en)
Inventor
Russel William Burgess
Jess Edward DONNELLY
Dean Anthony Barker
Philip John Dickinson
Andre van Schalkwyk
Joel Michael LAWSON
Original Assignee
Fisher and Paykel Healthcare 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
Application filed by Fisher and Paykel Healthcare Ltd filed Critical Fisher and Paykel Healthcare Ltd
Publication of CA3279192A1 publication Critical patent/CA3279192A1/en
Pending legal-status Critical Current

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
    • A61M16/0003—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. ventilators; Tracheal tubes
    • A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm devices
    • A—HUMAN NECESSITIES
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; 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
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; 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
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    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • A61M16/026—Control means therefor including calculation means, e.g. using a processor specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
    • A—HUMAN NECESSITIES
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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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    • A61M16/107—Filters in a path in the inspiratory path
    • A—HUMAN NECESSITIES
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    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
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    • A61M16/203—Proportional
    • A61M16/204—Proportional used for inhalation control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
    • A—HUMAN NECESSITIES
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A61M16/0672—Nasal cannula assemblies for oxygen therapy
    • 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
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M16/101—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using an oxygen concentrator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
    • 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
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    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • A—HUMAN NECESSITIES
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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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    • 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
    • A—HUMAN NECESSITIES
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    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
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    • A61M2205/00—General characteristics of the apparatus
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    • A61M2205/3546—Range
    • A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
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    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
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    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • A61M2205/505—Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
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    • A61M2209/00—Ancillary equipment
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Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CA3279192A 2015-12-02 2016-12-02 Flow path sensing for flow therapy apparatus Pending CA3279192A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562262325P 2015-12-02 2015-12-02
US62/262,325 2015-12-02
CA3006639A CA3006639C (en) 2015-12-02 2016-12-02 FLOW PATH DETECTION FOR FLOW PROCESSING DEVICE

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3006639A Division CA3006639C (en) 2015-12-02 2016-12-02 FLOW PATH DETECTION FOR FLOW PROCESSING DEVICE

Publications (1)

Publication Number Publication Date
CA3279192A1 true CA3279192A1 (en) 2025-10-30

Family

ID=58797448

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3279192A Pending CA3279192A1 (en) 2015-12-02 2016-12-02 Flow path sensing for flow therapy apparatus
CA3006639A Active CA3006639C (en) 2015-12-02 2016-12-02 FLOW PATH DETECTION FOR FLOW PROCESSING DEVICE

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3006639A Active CA3006639C (en) 2015-12-02 2016-12-02 FLOW PATH DETECTION FOR FLOW PROCESSING DEVICE

Country Status (11)

Country Link
US (2) US11666720B2 (https=)
EP (3) EP4445934A3 (https=)
JP (3) JP7266404B2 (https=)
KR (3) KR102845880B1 (https=)
CN (6) CN114796782A (https=)
AU (3) AU2016364628B2 (https=)
CA (2) CA3279192A1 (https=)
ES (1) ES2995064T3 (https=)
GB (3) GB2562911B (https=)
SG (2) SG10202005175TA (https=)
WO (1) WO2017095241A2 (https=)

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GB2567075B (en) 2012-04-05 2019-08-21 Fisher & Paykel Healthcare Ltd Respiratory assistance apparatus
CA2950073A1 (en) 2014-05-27 2015-12-03 Fisher & Paykel Healthcare Limited Gases mixing and measuring for a medical device
TWI767396B (zh) * 2015-06-24 2022-06-11 紐西蘭商費雪 & 佩凱爾關心健康有限公司 用於遞送氣流之呼吸輔助設備
WO2017095241A2 (en) 2015-12-02 2017-06-08 Fisher & Paykel Healthcare Limited Flow path sensing for flow therapy apparatus
NL2019418B1 (en) * 2017-08-15 2019-02-25 Van Woerkum Holding B V Portable air treatment device and method for supplying filtered air to a person
EP4512329A3 (en) * 2017-10-06 2025-04-23 Fisher & Paykel Healthcare Limited Closed loop oxygen control
EP4438094A3 (en) 2017-11-22 2024-10-16 Fisher & Paykel Healthcare Limited Respiratory rate monitoring for respiratory flow therapy systems
ES2930200T3 (es) * 2018-06-08 2022-12-07 Panasonic Ip Man Co Ltd Dispositivo de seguridad de gas
CN109107111A (zh) * 2018-09-19 2019-01-01 杨菲灵 一种心内科呼吸训练装置
JP7198029B2 (ja) * 2018-10-02 2022-12-28 株式会社堀場製作所 流量測定装置及び流量測定方法
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