Inhaler mechanism

Details Inhaler mechanism Inhaler mechanism

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2290684

A dosing device comprising a dispensing means (24, 26, 12) for dispensing a dose material, and a dose actuation mechanism, in which the dose actuation mechanism (42) comprises a readily deflectable member (40), and a cascade of at least two pivoted elements (46, 48), movement of one causing movement of the other, wherein the deflectable member (40) is movable by the user, and its movement is transferred to the first of the cascade of pivoted elements, so as to actuate the dispensing means. A first biasing means (56) communicates with one pivoted element (48) so that as movement is transferred between the pivoted elements (46, 48), energy stored in the first biasing means (50) is released to increase the force associated with the movement. A dose actuating mechanism for use in a dosing inhaler is also provided.

L'invention concerne un dispositif doseur, comprenant un organe de distribution (24, 26, 12), destiné à distribuer une dose de produit, et un propulseur d'addition dosée. Ce propulseur d'addition dosée (42) comprend un élément rapidement déformable (40), et au moins deux éléments pivotants montés en cascade (46, 48), tout mouvement de l'un de ces éléments provoquant un mouvement de l'autre, ledit élément déformable (40) pouvant être déplacé par l'utilisateur. Tout mouvement de cet élément déformable est transmis au premier des éléments pivotants montés en cascade, de manière à actionner ledit organe de distribution. Un premier organe de sollicitation (56) communique avec l'un desdits éléments pivotants (48), de sorte que lorsque le mouvement est transmis d'un élément pivotant à l'autre (46, 48), l'énergie stockée dans le premier organe de sollicitation (50) est libérée, augmentant ainsi la force exercée par ce mouvement. L'invention concerne également un propulseur d'addition dosée destiné à être utilisé dans un inhalateur-doseur.

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