Patent ID: 8631973
Filing Date: 2014-01-21
Classification: A61C

Abstract:
1. A single-use cartridge for storing and dispensing of dental two-component impression materials comprising (a) a closable external chamber having an outlet end and a cylindrical external wall for containing a first component; (b) a closable internal cylindrical chamber comprising a lid with a connecting device to close the internal cylindrical chamber, the closable internal cylindrical chamber, arranged coaxially or eccentrically in the closable external chamber for containing a second component; (c) a mixing element mounted detachably to the external chamber at the outlet end; wherein the closable internal cylindrical chamber is arranged such that it is rotatable and forms a drive shaft for the mixing element and wherein the closable external chamber and the closable internal chamber each include a measured volume of component material to provide a measured amount of impression material to fill an impression tray.