Locking Interface, Cartridge Holder and Drug Delivery Device Comprising a Locking Interface

摘要

A locking interface for locking a cartridge holder onto a main body of a drug delivery device comprises a locking member for locking the cartridge holder onto the main body, a user interface operable by a user, a support member, on which the locking member and the user interface are located, wherein the locking interface is configured such that a force needed for unlocking the cartridge holder and the main body is reducible by operating the user interface.