Patent ID: 7357790

Claim:
An injection device comprising: an elongated casing comprising a front casing part and a rear casing part; a container carrying an injection needle, said container axially shiftable relative to the casing; a piston which can be shifted in the container for the purpose of forcing out a substance therein; a needle protecting tube shiftable relative to the casing; a sliding sleeve axially shiftable and guided in the needle protecting tube accommodating the container; and a latching member having at least two positions, a latching position wherein the latching member prevents the container from being shifted relative to the casing, and a release position wherein the container is shiftable relative to the casing, wherein the latching member comprises at least one latching tongue arranged on a latching sleeve mounted in the casing; and wherein the latching member cannot move axially and is mounted in the front casing part; and wherein the needle protecting tube is shiftable generally into and out of the casing and wherein shifting the needle protecting tube into the casing moves the latching member form the latching position to the release position.