Patent ID: 7959349
Filing Date: 2011-06-14
Classification: A61B,A61F,B01F

Abstract:
1. A device for mixing material and applying the mixed material by an applicator, comprising: a cartridge cylinder having a mixed material cavity, a filling end and an outlet end, wherein the filling end and the outlet end are located at different ends of the cartridge cylinder; a mixer haying an actuating rod, a mixing paddle and a grip; a plunger for closing the mixed material cavity at the filling end during the mixing and for forcing out the mixed material through the outlet end by the applicator; and a latching ring having radially outer and inner hook formations for temporarily fastening the plunger to the interior of the filling end; the filling end of the cartridge cylinder including first counter-hook formations on the interior of the filling end, which interact with the outer hook formations of the latching ring when the plunger closes the mixed material cavity; and the plunger including second counter-hook formations, which interact with the inner hook formations of the latching ring, in order to hold the plunger during mixing, and by application of a predetermined force release the plunger by unlatching the second counter-hook formations from the inner hook formations so that the plunger can be displaced by the applicator.