WO2002062284A3 - Tracheal pressure ventilation respiratory system - Google Patents

Tracheal pressure ventilation respiratory system Download PDF

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Publication number
WO2002062284A3
WO2002062284A3 PCT/US2002/002135 US0202135W WO02062284A3 WO 2002062284 A3 WO2002062284 A3 WO 2002062284A3 US 0202135 W US0202135 W US 0202135W WO 02062284 A3 WO02062284 A3 WO 02062284A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid communication
respiratory system
pressurized
demand valve
gas
Prior art date
Application number
PCT/US2002/002135
Other languages
French (fr)
Other versions
WO2002062284A2 (en
Inventor
Michael J Banner
Paul B Blanch
Original Assignee
Univ Florida
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 Univ Florida filed Critical Univ Florida
Priority to AU2002240076A priority Critical patent/AU2002240076A1/en
Publication of WO2002062284A2 publication Critical patent/WO2002062284A2/en
Publication of WO2002062284A3 publication Critical patent/WO2002062284A3/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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • 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
    • A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
    • A61M16/0012—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration by Venturi means
    • 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
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125—Diluting primary gas with ambient air
    • A61M16/127—Diluting primary gas with ambient air by Venturi effect, i.e. entrainment mixers
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • A61M16/203—Proportional
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/207—Membrane valves with pneumatic amplification stage, i.e. having master and slave membranes
    • 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
    • A61M16/04—Tracheal tubes
    • A61M16/0434—Cuffs
    • 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

Abstract

A respiratory system (10) for automatically and variably controlling the supply of a pressurized breathing gas to a patient via a breathing circuit (24) comprising a demand valve (70) in fluid communication with a source of pressurized breathing gas (20). The demand valve (70) is switchable between an open position, in which an inhalation conduit (40) of the breathing circuit is in fluid communication with the source of pressurized gas (20), and a closed position, in which the inhalation conduit (40) is not in fluid communication with the sorce of pressurized gas. The demand valve (70) is proportionally moveable between the open anfd closed positions in response to a pressure within a reference chamber (72) which is in fluid communication with the trachea of the patient.
PCT/US2002/002135 2001-02-08 2002-01-23 Tracheal pressure ventilation respiratory system WO2002062284A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002240076A AU2002240076A1 (en) 2001-02-08 2002-01-23 Tracheal pressure ventilation respiratory system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/779,170 2001-02-08
US09/779,170 US6571796B2 (en) 2001-02-08 2001-02-08 Tracheal pressure ventilation respiratory system

Publications (2)

Publication Number Publication Date
WO2002062284A2 WO2002062284A2 (en) 2002-08-15
WO2002062284A3 true WO2002062284A3 (en) 2003-03-06

Family

ID=25115558

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/002135 WO2002062284A2 (en) 2001-02-08 2002-01-23 Tracheal pressure ventilation respiratory system

Country Status (3)

Country Link
US (1) US6571796B2 (en)
AU (1) AU2002240076A1 (en)
WO (1) WO2002062284A2 (en)

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Also Published As

Publication number Publication date
WO2002062284A2 (en) 2002-08-15
US20020104537A1 (en) 2002-08-08
US6571796B2 (en) 2003-06-03
AU2002240076A1 (en) 2002-08-19

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