Patent ID: 9061110
Filing Date: 2015-06-23
Classification: A61J,A61M

Abstract:
1. A locking mechanism for attaching a cartridge within a cartridge holder, said mechanism comprising: a cylindrically shaped main body having an outer diameter and a centrally located aperture; the aperture extending from a proximal end to a distal end of the main body and the aperture configured to be placed over a sleeve or a ferrule located at a distal end of a cartridge, the cartridge including a generally tubular barrel extending from the distal end to a proximal end, the distal end of the cartridge being defined by an inwardly converging shoulder, the cartridge including a smaller diameter neck projecting distally from the shoulder of the barrel and a pierceable seal or septum securely mounted across the open distal end defined by the neck and held in place by the sleeve or ferrule; at least one non-return feature coupled to the main body; and at least one bendable feature provided on said main body; wherein the bendable feature comprises a first section, a second section, and a third section, the first section and the third section being affixed to the main body, wherein the bendable feature is movable from a first position, in which the bendable feature has an arc shape such that at least a portion of the second section of the bendable feature extends beyond an outer diameter of the main body, to a second position, the portion moving toward the aperture and deforming until the bendable feature moves past the non-return feature and snaps into an inverted position behind the sleeve or ferrule in the second position, and wherein in the second position, at least a portion of the bendable feature is provided to retain the cartridge within the locking mechanism and the bendable feature is held in the second position by the non-return feature.