Patent ID: 8734403
Filing Date: 2014-05-27
Classification: A61M

Abstract:
1. A lock element for a dose setting mechanism of an injection device, the lock element comprising at least one retaining element flexibly joined to the lock element and a contact surface, wherein the at least one retaining element is co-operable with a groove of a dose setting element of the dose setting mechanism, whereby a rotational dose setting movement of the dose setting element is prevented when the lock element is in an initial position in which the at least one retaining element is arranged in the groove, and wherein the contact surface contacts an ampoule insertion part upon insertion of the ampoule insertion part into the injection device and moves the lock element axially relative to the injection device in an ampoule insertion direction into an unlocked position in which the at least one retaining element flexes radially out of the groove and the dose setting element rotates in the rotational dose setting movement.