CA2460453A1 - Nebulizer apparatus and method - Google Patents

Nebulizer apparatus and method

Info

Publication number
CA2460453A1
CA2460453A1 CA002460453A CA2460453A CA2460453A1 CA 2460453 A1 CA2460453 A1 CA 2460453A1 CA 002460453 A CA002460453 A CA 002460453A CA 2460453 A CA2460453 A CA 2460453A CA 2460453 A1 CA2460453 A1 CA 2460453A1
Authority
CA
Canada
Prior art keywords
nebulizer
patient
diverter
orifice
liquid
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
CA002460453A
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
Application filed by Trudell Medical Limited, Jerry R. Grychowski, George Baran, Martin P. Foley, 1263152 Ontario Inc., Trudell Medical International filed Critical Trudell Medical Limited
Publication of CA2460453A1 publication Critical patent/CA2460453A1/en
Application granted granted Critical
Publication of CA2460453C publication Critical patent/CA2460453C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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.
CA002460453A 1996-02-13 1997-02-13 Nebulizer apparatus and method Expired - Lifetime CA2460453C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/600,419 US5823179A (en) 1996-02-13 1996-02-13 Nebulizer apparatus and method
US08/600,419 1996-02-13
CA002245948A CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002245948A Division CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Publications (2)

Publication Number Publication Date
CA2460453A1 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
CA002245948A Expired - Lifetime CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method
CA002460453A Expired - Lifetime CA2460453C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002245948A Expired - Lifetime CA2245948C (en) 1996-02-13 1997-02-13 Nebulizer apparatus and method

Country Status (16)

Country Link
US (7) US5823179A (en)
EP (3) EP2324876B1 (en)
JP (1) JP3993894B2 (en)
KR (1) KR19990082525A (en)
CN (1) CN1178710C (en)
AR (1) AR005783A1 (en)
AT (1) ATE266440T1 (en)
AU (1) AU734111B2 (en)
BR (1) BR9707500A (en)
CA (2) CA2245948C (en)
DE (1) DE69729071T2 (en)
ES (1) ES2429867T3 (en)
IL (1) IL125718A0 (en)
RU (1) RU2188041C2 (en)
WO (1) WO1997029799A2 (en)
ZA (1) ZA971075B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113952563A (en) * 2017-09-29 2022-01-21 岩成科技事业股份有限公司 Spraying device

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