Patent ID: 8603040
Filing Date: 2013-12-10
Classification: A61M

Abstract:
1. A bolus injection device, comprising: a housing having a first end defining a first opening; a plunger being slidably received within the first opening of the housing to move between a plunger first position and a plunger second position, the plunger having a bottom surface adapted to be brought into contact with a skin of a subject and a prong extending into the housing, the plunger is at least partially extending out of the first opening when the plunger is in the plunger first position; a resilient member biasing the plunger into the plunger first position; a cartridge disposed in the housing and having an interior serving as a reservoir for a drug, the cartridge being moveable between a first cartridge position and a second cartridge position, said cartridge having an open end sealed by a stopper; and a fixed delivery needle at least partially within the housing and non-movable with respect to the housing, wherein said fixed delivery needle is in fluid communication with the reservoir when the cartridge is in the second cartridge position, a conduit extending partially into the stopper when the cartridge is in the first cartridge position and extending through the stopper into the reservoir when the cartridge is in the second cartridge position, wherein the plunger is moved against the force of the resilient member to the plunger second position to actuate movement of the cartridge from the first cartridge position to the second cartridge position.