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Nebulizer apparatus and method

Info

Publication number
CA2460453A1
CA2460453A1 CA 2460453 CA2460453A CA2460453A1 CA 2460453 A1 CA2460453 A1 CA 2460453A1 CA 2460453 CA2460453 CA 2460453 CA 2460453 A CA2460453 A CA 2460453A CA 2460453 A1 CA2460453 A1 CA 2460453A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
nebulizer
liquid
aspect
patient
diverter
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
CA 2460453
Other languages
French (fr)
Other versions
CA2460453C (en )
Inventor
Jerry R. Grychowski
George Baran
Martin P. Foley
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.)
Trudell Medical International
Original Assignee
Trudell Medical Limited
Jerry R. Grychowski
George Baran
Martin P. Foley
1263152 Ontario Inc.
Trudell Medical International
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/0091Inhalators mechanically breath-triggered
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/001Particle size control
    • A61M11/002Particle size control by flow deviation causing inertial separation of transported particles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/06Sprayers or atomisers specially adapted for therapeutic purposes of the injector type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/0001Details of inhalators; Constructional features thereof
    • A61M15/0021Mouthpieces therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/0065Inhalators with dosage or measuring devices
    • A61M15/0068Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/008Electronic counters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/0091Inhalators mechanically breath-triggered
    • A61M15/0093Inhalators mechanically breath-triggered without arming or cocking, e.g. acting directly on the delivery valve
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816Joints or connectors
    • A61M16/0833T- or Y-type connectors, e.g. Y-piece
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/107Filters in a path in the inspiratory path
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20Valves specially adapted to medical respiratory devices
    • A61M16/201Controlled valves
    • A61M16/206Capsule valves, e.g. mushroom, membrane valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3306Optical measuring means

Abstract

An apparatus and method for providing a nebula or aerosol to a patient. In one aspect, a nebulizer is pressure sensitive so that nebulization is coordinated with a breathing cycle of the patient. The nebulizer includes a movable gas diverter that diverts pressurized gas across a liquid outlet. The diverter is moved in response to the patient's breathing cycle. In one aspect, a biasing member moves the diverter. According to another aspect of the nebulizer, an annular liquid orifice disperses an aerosol in a radial direction in response to a pressurized gas flow from an orifice located concentrically thereto. Multiple liquid orifices may be provided. In a further aspect of the nebulizer, a reservoir includes an upper, wide portion and a lower narrow portion to apply relatively uniform pressure at a liquid orifice.
CA 2460453 1996-02-13 1997-02-13 Nebulizer apparatus and method Expired - Lifetime CA2460453C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08600419 US5823179A (en) 1996-02-13 1996-02-13 Nebulizer apparatus and method
US08/600,419 1996-02-13
CA 2245948 CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Publications (2)

Publication Number Publication Date
CA2460453A1 true true CA2460453A1 (en) 1997-08-21
CA2460453C CA2460453C (en) 2007-01-30

Family

ID=24403520

Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2460453 Expired - Lifetime CA2460453C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method
CA 2245948 Expired - Lifetime CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA 2245948 Expired - Lifetime CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Country Status (9)

Country Link
US (7) US5823179A (en)
JP (1) JP3993894B2 (en)
CN (1) CN1178710C (en)
CA (2) CA2460453C (en)
DE (2) DE69729071T2 (en)
EP (3) EP1417982B1 (en)
ES (1) ES2429867T3 (en)
RU (1) RU2188041C2 (en)
WO (1) WO1997029799A3 (en)

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EP2324876A3 (en) 2012-08-22 application
CA2245948C (en) 2005-02-22 grant
US5823179A (en) 1998-10-20 grant
DE69729071D1 (en) 2004-06-17 grant
EP1417982B1 (en) 2013-09-04 grant
US7080643B2 (en) 2006-07-25 grant
CN1178710C (en) 2004-12-08 grant
US8061352B2 (en) 2011-11-22 grant
EP2324876A2 (en) 2011-05-25 application
EP0880373B1 (en) 2004-05-12 grant
JP3993894B2 (en) 2007-10-17 grant
WO1997029799A2 (en) 1997-08-21 application
CN1215346A (en) 1999-04-28 application
WO1997029799A3 (en) 1997-10-23 application
RU2188041C2 (en) 2002-08-27 grant
US20070023036A1 (en) 2007-02-01 application
US6612303B1 (en) 2003-09-02 grant
EP1417982A2 (en) 2004-05-12 application
US7634995B2 (en) 2009-12-22 grant
US6748945B2 (en) 2004-06-15 grant
ES2429867T3 (en) 2013-11-18 grant
CA2245948A1 (en) 1997-08-21 application
US20040173209A1 (en) 2004-09-09 application
JP2000504603A (en) 2000-04-18 application
US20070204864A1 (en) 2007-09-06 application
US20030015193A1 (en) 2003-01-23 application
US6644304B2 (en) 2003-11-11 grant
DE69729071T2 (en) 2004-09-09 grant
US20030005929A1 (en) 2003-01-09 application
EP2324876B1 (en) 2017-02-01 grant
EP1417982A3 (en) 2005-11-23 application
EP0880373A2 (en) 1998-12-02 application
CA2460453C (en) 2007-01-30 grant

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