BR0316924A - Dispositivo e método para desaglomeração de pó para inalação - Google Patents

Dispositivo e método para desaglomeração de pó para inalação

Info

Publication number
BR0316924A
BR0316924A BR0316924-3A BR0316924A BR0316924A BR 0316924 A BR0316924 A BR 0316924A BR 0316924 A BR0316924 A BR 0316924A BR 0316924 A BR0316924 A BR 0316924A
Authority
BR
Brazil
Prior art keywords
chamber
fluid flow
outlet
inhalation
dust
Prior art date
Application number
BR0316924-3A
Other languages
English (en)
Inventor
Warren Finlay
Zhaolin Wang
Original Assignee
Univ Alberta
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 Alberta filed Critical Univ Alberta
Publication of BR0316924A publication Critical patent/BR0316924A/pt

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
    • A61M15/00—Inhalators
    • 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
    • A61M15/0086—Inhalation chambers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/02—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of powders
    • 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
    • A61M11/001—Particle size control
    • A61M11/003—Particle size control by passing the aerosol trough sieves or filters
    • 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
    • A61M15/0021—Mouthpieces therefor
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/06—Solids
    • A61M2202/064—Powder
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows

Abstract

"DISPOSITIVO E MéTODO PARA DESAGLOMERAçãO DE Pó PARA INALAçãO". A presente invenção refere-se a um dispositivo e método para desaglomeração de aglomerados de pó para inalação. O dispositivo inclui uma entrada (20) conectada a uma câmara (40) e a uma fonte de pó para alimentação da câmara com aglomerados de pó e um fluxo de gás que definem um fluxo de fluido em redemoinho no interior da câmara. O dispositivo também inclui uma saída (22) conectada à câmara para inalação de modo que o fluxo de fluido em redemoinho na câmara pode sair da câmara como um fluxo de fluido longitudinal que é dirigido ao longo de um eixo longitudinal (X) da saída e um fluxo de fluido secundário que é dirigido para longe do eixo longitudinal da saída. Uma rede (28) na saída impede aglomerados de pó acima de um tamanho predeterminado de atravessar a rede e reduz o fluxo de fluido secundário em relação ao fluxo de fluido longitudinal que sai da câmara para, assim, reduzir a deposição de pó na boca e na garganta de um usuário.
BR0316924-3A 2002-12-02 2003-11-28 Dispositivo e método para desaglomeração de pó para inalação BR0316924A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43008502P 2002-12-02 2002-12-02
PCT/CA2003/001859 WO2004050152A1 (en) 2002-12-02 2003-11-28 Device and method for deagglomeration of powder for inhalation

Publications (1)

Publication Number Publication Date
BR0316924A true BR0316924A (pt) 2005-10-18

Family

ID=32469411

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0316924-3A BR0316924A (pt) 2002-12-02 2003-11-28 Dispositivo e método para desaglomeração de pó para inalação

Country Status (13)

Country Link
US (2) US20040107963A1 (pt)
EP (1) EP1581292A1 (pt)
JP (1) JP2006507876A (pt)
KR (1) KR20050085237A (pt)
CN (1) CN1720072A (pt)
AU (1) AU2003285246A1 (pt)
BR (1) BR0316924A (pt)
CA (1) CA2507758A1 (pt)
MX (1) MXPA05005864A (pt)
NO (1) NO20052418L (pt)
RU (1) RU2005120750A (pt)
WO (1) WO2004050152A1 (pt)
ZA (1) ZA200503940B (pt)

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Also Published As

Publication number Publication date
RU2005120750A (ru) 2005-12-10
US20040107963A1 (en) 2004-06-10
JP2006507876A (ja) 2006-03-09
NO20052418D0 (no) 2005-05-19
KR20050085237A (ko) 2005-08-29
MXPA05005864A (es) 2005-11-16
CN1720072A (zh) 2006-01-11
EP1581292A1 (en) 2005-10-05
WO2004050152A1 (en) 2004-06-17
US20070125375A1 (en) 2007-06-07
CA2507758A1 (en) 2004-06-17
ZA200503940B (en) 2006-08-30
NO20052418L (no) 2005-05-19
AU2003285246A1 (en) 2004-06-23

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: THE GOVERNORS OF THE UNIVERSITY OF ALBERTA (CA)

Free format text: SEDE ALTERADA CONFORME PETICAO NO 020060010120/RJ, DE 24/01/2006.

B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]