Patent attributes
The present invention relates to an injection device including a container, intended for receiving a product and provided with an injection needle and a housing receiving the container. The container is movable relative to the housing between an initial position, an insertion position, and a final position. A collapsible chamber is defined within the housing outside of the container. The chamber is collapsible with the container in the insertion position. The chamber is at least partially defined by a proximal wall and a seal element, wherein, with the container in the initial position, the proximal wall is spaced proximally from the seal element, wherein, with the container in the insertion position, the proximal wall is caused to engage the seal element, and, wherein, with the proximal wall engaging the seal element, the container is caused to move from the insertion position to the final position.
