Inhaler with breath actuated dose counter

Details Inhaler with breath actuated dose counter Inhaler with breath actuated dose counter

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2632774

A device is disclosed for dispensing a fluid supplied from a fluid source (22). The device comprises a transducer adapted to receive a fluid from the fluid source, and a collapsible linkage and trip link (502) coupling the transducer and the fluid source. The linkage has a collapsible joint (66) inhibiting discharge of the fluid source when in a locked orientation. The device further comprises a moveable member coupled to the linkage such that inhalation forces on the device cause the linkage to collapse thereby- discharging the fluid from the fluid source. The device may further include a dose counter coupled to the fluid source for registering the amount of doses administered from the fluid source.

La présente invention concerne un dispositif destiné à délivrer un fluide issu d'une source de fluide externe. Le dispositif comprend un transducteur conçu pour recevoir un fluide provenant d'une source de fluide, et un élément de liaison repliable et un élément de déclenchement (502) raccordant le transducteur à la source de fluide. L'élément de liaison comporte une articulation repliable inhibant la décharge de la source de fluide lorsqu'elle est en mode verrouillé. Le dispositif comprend également un élément mobile couplé à l'élément de liaison de telle façon que des forces d'inhalation exercées sur le dispositif amènent l'élément de liaison à se replier, libérant ainsi le fluide provenant de la source de fluide. Eventuellement, le dispositif peut comprendre un compteur de doses couplé à la source de fluide et permettant d'enregistrer le nombre de doses administrées à partir de la source de fluide.

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