Methods and apparatus for mixing and dispensing multi-part...

Details Methods and apparatus for mixing and dispensing multi-part... Methods and apparatus for mixing and dispensing multi-part...

A - Human Necessities

61

M

A61M 5/31 (2006.01) A61C 9/00 (2006.01) A61C 13/38 (2006.01) A61M 5/315 (2006.01) B05C 17/005 (2006.01) B05C 17/01 (2006.01)

Patent

CA 2154878

Methods and apparatus are provided for mixing and dispensing multi-component compositions. The preferred embodiment utilizes a syringe barrel (22) as a mixing chamber and for dispensing of the mixed components. A mixer element, preferably including a paddle member (32) and finger grip means (34) for rotating the paddle member (32), is provided for insertion into the syringe barrel (22) to effect the desired mixing. A scraper element (52) is used to scrape mixed , from the mixer element so as to retain the mixed components within the syringe barrel (n) upon removal of the paddle member (32) after mixing is completed. Mixing is preferably performed with the multiple components placed in side by-side orientation within the syringe barrel (22) rather than one on top of another.

Procédés et appareil permettant de mélanger et de distribuer des compositions formées de plusieurs constituants. La forme d'exécution préférée utilise un cylindre (22) de seringue comme chambre de mélange et pour distribuer les constituants mélangés. Un mélangeur comprenant de préférence une palette (32) et un actionneur manuel (34) qui sert à faire tourner la palette (32), est prévu pour être introduit dans le cylindre (22) de la seringue afin d'effectuer le mélange désiré. Une raclette (52) sert à racler les constituants mélangés du mélangeur de manière que les constituants mélangés restent dans le cylindre (22) de la seringue lorsqu'on enlève l'ailette (32) une fois le mélange terminé. On effectue de préférence le mélange en plaçant les différents constituants les uns à côté des autres dans le cylindre (22) de la seringue plutôt qu'en les plaçant les uns au-dessus des autres.

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