Abstract: A medicament delivery device having a reservoir for holding a medicament, a pressurizing system that dispenses the medicament from the reservoir when operating, a hollow cannula for insertion into a patient, and a fluid delivery path disposed between the pressurizing system and the hollow cannula and communicating the medicament therebetween. The medicament delivery device also has a pressure sensor external to the pressurizing system, sensing a back pressure in the fluid delivery path, and providing an indication when the back pressure drops below a predetermined threshold after the pressurizing system ceases operation.

Abstract: Systems and methods for positive dispense verification are disclosed. In one embodiment, a system has a plurality of light emitters. The light from the emitters is directed toward a plurality of light detectors across a proximately horizontal plane. The liquid dispense device is positioned above the horizontal plane of light emission from the plurality of light emitters to the plurality of light detectors such that the dispensed liquid will travel through the horizontal plane defined by the emitted light and onto the container being inoculated. Each of the plurality of detectors is coupled to an amplifier. The amplifier generates a signal in response to an interrupt in the transmission of light from the light emitters to the light detectors when the light path is disrupted by the dispense of liquid confirming the liquid was dispensed onto the container.

Abstract: An assembly (20) of syringes (22) includes a first layer (32) enclosing the syringes. The first layer maintains the syringes in an orientation where some of the syringes have a first, larger end aligned with the second, smaller end of the remainder of the syringes. The first layer also protects the syringes from outside contaminants. A second layer (34) encloses the first layer and protects it from outside contaminants. The syringes and the first layer preferably are sterilized within the second layer 34.