US Patent 9308327 Substance delivery devices

A substance delivery device (autoinjector) for use with a container (such as a syringe) containing the substance includes: a body arranged to house or hold the container; a plunger which is movable with respect to at least a portion of the body, the plunger being arranged to act upon the container so as to move the container with respect to the portion of the body; wherein the plunger is also arranged to expel at least a portion of the substance from the container; and wherein the device includes elements for adjusting the amount of substance to be expelled from the container. The device can also have elements for priming the container, and can accommodate containers of different size or shape.