CA2303275A1 - Breath actuated nebulizer with valve assembly having a relief piston - Google Patents

Breath actuated nebulizer with valve assembly having a relief piston Download PDF

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Publication number
CA2303275A1
CA2303275A1 CA002303275A CA2303275A CA2303275A1 CA 2303275 A1 CA2303275 A1 CA 2303275A1 CA 002303275 A CA002303275 A CA 002303275A CA 2303275 A CA2303275 A CA 2303275A CA 2303275 A1 CA2303275 A1 CA 2303275A1
Authority
CA
Canada
Prior art keywords
inhalation
breath actuated
valve assembly
nebulizer
relief piston
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
CA002303275A
Other languages
French (fr)
Other versions
CA2303275C (en
Inventor
Rick Blacker
Alex M. Verdun
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
1263152 Ontario Inc.
Rick Blacker
Alex M. Verdun
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 1263152 Ontario Inc., Rick Blacker, Alex M. Verdun, Trudell Medical International filed Critical 1263152 Ontario Inc.
Publication of CA2303275A1 publication Critical patent/CA2303275A1/en
Application granted granted Critical
Publication of CA2303275C publication Critical patent/CA2303275C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/06—Sprayers or atomisers specially adapted for therapeutic purposes of the injector type
    • 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
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/002—Details of inhalators; Constructional features thereof with air flow regulating 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
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing

Abstract

A breath actuated nebulizer for efficiently and reliably delivering aerosolized liquid to an inhaling patient is disclosed. The nebulizer includes a valve assembly having an actuator piston for quickly responding to an inhalation and beginning the nebulization process, and a relief piston to lower the inhalation effort required of the inhaling patient. Also provided is a method of providing breath actuated nebulization including the steps of moving an actuator piston connected to a diverter so that the diverter reaches a nebulizing position during an initial period of inhalation, and moving a relief valve to allow a greater flow of air, and thereby reduce inhalation effort, after the initial period of inhalation.
CA002303275A 1997-08-29 1998-08-25 Breath actuated nebulizer with valve assembly having a relief piston Expired - Lifetime CA2303275C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/921,176 US6044841A (en) 1997-08-29 1997-08-29 Breath actuated nebulizer with valve assembly having a relief piston
US08/921,176 1997-08-29
PCT/IB1998/001326 WO1999011310A1 (en) 1997-08-29 1998-08-25 Breath actuated nebulizer with valve assembly having a relief piston

Publications (2)

Publication Number Publication Date
CA2303275A1 true CA2303275A1 (en) 1999-03-11
CA2303275C CA2303275C (en) 2004-11-16

Family

ID=25445034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303275A Expired - Lifetime CA2303275C (en) 1997-08-29 1998-08-25 Breath actuated nebulizer with valve assembly having a relief piston

Country Status (9)

Country Link
US (2) US6044841A (en)
EP (1) EP1009459B1 (en)
JP (1) JP3564391B2 (en)
AR (1) AR016643A1 (en)
AU (1) AU739756B2 (en)
CA (1) CA2303275C (en)
DE (1) DE69810119T2 (en)
WO (1) WO1999011310A1 (en)
ZA (1) ZA987440B (en)

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CA2303275C (en) 2004-11-16
DE69810119D1 (en) 2003-01-23
AR016643A1 (en) 2001-07-25
US6450163B1 (en) 2002-09-17
ZA987440B (en) 2000-05-23
DE69810119T2 (en) 2003-04-24
JP3564391B2 (en) 2004-09-08
WO1999011310A1 (en) 1999-03-11
EP1009459A1 (en) 2000-06-21
EP1009459B1 (en) 2002-12-11
JP2001514054A (en) 2001-09-11
AU8743698A (en) 1999-03-22
AU739756B2 (en) 2001-10-18
US6044841A (en) 2000-04-04

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