A method and device for entrapping gas within a liquid drug...

Details A method and device for entrapping gas within a liquid drug... A method and device for entrapping gas within a liquid drug...

A - Human Necessities

61

M

A61M 5/28 (2006.01) A61M 5/24 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2346071

A stopper (1) for use in preventing any volume of gas (26) from escaping from a drug container (12) when used in connection therewith. The stopper (1) has a perimeter for slidable engagement with the interior of the drug container (12); an outer surface (2); and an inner surface (3) facing the bottom (20) of the drug container (12), the inner surface (3) shaped so as to trap any volume of gas (26) located within the drug container (12) when the stopper (1) is slidably engaged therein. The invention is further directed to a drug container (12) having a hollow body (14) for holding a liquid. The body (14) has an open end (18) and a closed end (20). The container (12) also has a stopper (1) slidably received in the hollow body (14), and a feature (30) for entrapping any volume of gas (26) within the container (12).

L'invention concerne un bouchon (1) destiné à empêcher le moindre volume de gaz (26) de s'échapper d'un récipient (12) pour médicaments, lorsqu'il est utilisé en association. Le bouchon (1) a un périmètre en prise de manière coulissante avec l'intérieur dudit récipient (12); une face extérieure (2) et une face intérieure (3) tournée vers le fond (20) du récipient (12). La face intérieure (3) est formée de façon à piéger le moindre volume de gaz (26) se trouvant à l'intérieur du récipient (12) lorsque le bouchon (1) y est en prise de manière coulissante. L'invention porte en outre sur un récipient (12) pour médicaments ayant un corps creux pouvant contenir un liquide. Le corps (14) a une extrémité ouverte (18) et une extrémité fermée (20). Le récipient (12) a également un bouchon (1) monté coulissant dans le corps (14), et un système (30) de piégeage du moindre volume de gaz (26) à l'intérieur du récipient (12).

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