WO1997033640B1 - Compteur de doses pour systemes d'inhalateurs doseurs utilisant un capteur de pression miniature - Google Patents

Compteur de doses pour systemes d'inhalateurs doseurs utilisant un capteur de pression miniature

Info

Publication number
WO1997033640B1
WO1997033640B1 PCT/US1997/003478 US9703478W WO9733640B1 WO 1997033640 B1 WO1997033640 B1 WO 1997033640B1 US 9703478 W US9703478 W US 9703478W WO 9733640 B1 WO9733640 B1 WO 9733640B1
Authority
WO
WIPO (PCT)
Prior art keywords
transfer passage
pressure sensor
passage
transfer
pressure
Prior art date
Application number
PCT/US1997/003478
Other languages
English (en)
Other versions
WO1997033640A1 (fr
Filing date
Publication date
Priority claimed from US08/616,152 external-priority patent/US5676129A/en
Application filed filed Critical
Priority to AU20688/97A priority Critical patent/AU2068897A/en
Publication of WO1997033640A1 publication Critical patent/WO1997033640A1/fr
Publication of WO1997033640B1 publication Critical patent/WO1997033640B1/fr

Links

Abstract

L'invention concerne un procédé et un appareil pour compter directement le nombre de doses fournies par un système d'administration de médicaments sous forme d'inhalateur doseurs. Un capteur de pression miniature et un microprocesseur permettent de détecter l'impulsion de pression dans le canal de transfert de l'embout buccal de l'inhalateur à travers lequel la dose de l'inhalateur est libérée (mélange prescrit de gaz propulseur aérosol et de médicament). Le microprocesseur traite les données reflétant la dynamique de l'impulsion de pression et compte le nombre de doses administrées. Le microprocesseur affiche le nombre de doses comptées (ou doses restantes) sur un écran d'affichage numérique miniature. Des informations supplémentaires peuvent également être fournies à un utilisateur à l'aide de l'écran d'affichage ou via un signal sonore.
PCT/US1997/003478 1996-03-14 1997-03-13 Compteur de doses pour systemes d'inhalateurs doseurs utilisant un capteur de pression miniature WO1997033640A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20688/97A AU2068897A (en) 1996-03-14 1997-03-13 Dosage counter for metered dose inhaler (mdi) systems using a miniature pressure sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/616,152 1996-03-14
US08/616,152 US5676129A (en) 1996-03-14 1996-03-14 Dosage counter for metered dose inhaler (MDI) systems using a miniature pressure sensor

Publications (2)

Publication Number Publication Date
WO1997033640A1 WO1997033640A1 (fr) 1997-09-18
WO1997033640B1 true WO1997033640B1 (fr) 1997-10-23

Family

ID=24468258

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/003478 WO1997033640A1 (fr) 1996-03-14 1997-03-13 Compteur de doses pour systemes d'inhalateurs doseurs utilisant un capteur de pression miniature

Country Status (3)

Country Link
US (2) US5676129A (fr)
AU (1) AU2068897A (fr)
WO (1) WO1997033640A1 (fr)

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