Abstract: A drug delivery device comprising: a device body, an operating member which is configured to be movable relative to the device body for operating the drug delivery device, a preventing member which prevents movement of the operating member relative to the device body for operating the drug delivery device, wherein the preventing member is removable to allow movement of the operating member relative to the device body for operating the drug delivery device.

Abstract: A first output member is rotatable around an axis relatively to the body. A second output member is movable relatively to the body along the axis. The first output member and the second output member are rotationally coupled. A drive feature is provided to generate a rotation of the first output member. A part which is removable from and attachable to the body is provided so that the first output member is unidirectionally rotationally coupled with the drive feature when the part is attached to the body.

Abstract: The present invention relates to an assembly for a drug delivery device comprising a proximal end, a distal end and a moveable member, a dose member, a fixed member and coupling means, wherein in a first state, the moveable member is moveable in an axial direction with respect to the fixed member and the dose member and the coupling means retains the dose member to the fixed member, and wherein in a second state of the assembly, the moveable member is permanently connected with the dose member by means of the coupling means and the dose member is released from the fixed member and the assembly is configured to set and dispense a dose of a fluid medicinal product out of an assembled cartridge by movement of the dose member. Furthermore it relates to a method for setting-up a drug delivery device.

Abstract: A drive member for driving a piston rod in a drug delivery device is provided. The drive member is configured to be driven in a rotational movement by an actuating member. The drive member comprises a track for transmitting a driving load from the actuating member to the drive member. The track comprises both sections running in a distal and sections running in a proximal direction of the drive member. Moreover, a drug delivery device comprising such a drive member is provided.

Abstract: A resettable drive mechanism for a drug delivery device (1) comprises a piston rod assembly (32) and an interaction member (23). The piston rod assembly (32) comprises a guide track (18) running along the piston rod assembly (32), the guide track (18) comprising at least one delivery section (18A) and at least one reset section (18B). The reset section (18B) is arranged to continue the delivery section (18A). The delivery section (18A) comprises at least one blocking means (19). The interaction member (23) is configured to cooperate with the guide track (18). For delivering a dose of a drug (24), the piston rod assembly (32) is axially displaceable in a dose delivery direction away from an axial starting position, the interaction member (23) cooperating with the delivery section (18A) and the blocking means (19) passing the interaction member (23) when the piston rod assembly (32) is displaced in the dose delivery direction.

Abstract: The present disclosure relates to a resettable drive mechanism for use in a drug delivery device. The drug delivery device is having a distal direction and a proximal direction. The drive mechanism comprises a drive rack engaged with a drive gear, a piston rack engaged with a piston gear and coupling means for coupling the drive gear with the piston gear. In a first state of the drive mechanism, the drive gear and the piston gear are coupled and the piston rack moves in distal direction when the drive rack is moved in distal direction. In a second state of the drive mechanism, the drive gear and the piston gear are decoupled and the piston rack is moveable in proximal direction for resetting the drive mechanism.

Abstract: A button member (5) for operating a drive assembly (4) of a drug delivery device comprises a first portion being accessible by a user, a second portion in operative connection with the drive assembly (4), said second portion comprising a first guiding track (51) having a first track portion (511) in a first direction and a second track portion (512) in second direction, wherein the first track portion (511) is adapted to restrict the movement of the button member (5) to a substantially rotational motion, and wherein the second track portion (512) is adapted to restrict the movement of the button member (5) to an axial motion.

Abstract: An assembly for a drug delivery device comprises a first drive member for driving a piston rod, wherein in a first state of the assembly the first drive member is moveable with respect to a second drive member and the piston rod is configured to be moved with respect to the first drive member when the first drive member is moved with respect to the second drive member. The assembly further comprises a coupling member being configured to couple the first drive member with the second drive member in a second state of the assembly, so that the movement of the first drive member with respect to the second drive member is prevented, thereby forming a drive unit for a set and delivery action of the drug delivery device.

Abstract: A drug delivery system comprises a drug delivery device which comprises a housing and a cartridge. The drug delivery device has a proximal end and a distal end. The drug delivery system further comprises a needle assembly which is attachable to the drug delivery device. The needle assembly and the drug delivery device are configured such that the cartridge is moved in the proximal direction with respect to the housing when the needle assembly is attached to the drug delivery device.

Abstract: A drive mechanism for a drug delivery device (1) comprises a housing (2), a drive member (5) and a piston rod assembly (32). The drive member (5) is configured to be axially displaced in a dose setting direction with respect to the housing (2) for setting a dose of a drug (24) and to be axially displaced in a dose delivery direction with respect to the housing (2) for delivering the set dose of the drug (24). The drive member (5) comprises a drive feature (15). The piston rod assembly (32) comprises a set of interaction surfaces (17) for mechanical interaction with the drive feature (15), with at least two interaction surfaces (17) being axially and angularly offset with respect to each other.

Abstract: A plunger and a lever are arranged in a body and provided with engaging elements engaging the lever with the plunger. The lever is disengageable from the plunger by a shift of the lever, thus enabling a movement of the plunger relatively to the body in the proximal direction.

Abstract: The present invention relates to an assembly forming a piston rod for advancing a cartridge bung in a drug delivery device, the assembly comprising a first member and a second member wherein in a first state, the first and the second member are moveable with respect to each other to adjust the length of the piston rod and wherein in a second state the first member is locked in position with respect to the second member in order to define a fixed length of the piston rod. Furthermore, it relates to a drug delivery device comprising the assembly and to a method for assembling such a drug delivery device.

Abstract: A plunger (4) having engaging means and a lever (5) are arranged in a body (1). The lever has a first pivot that is stationary with respect to the body in the direction of an axis, a second pivot, and a third pivot formed by an engaging element of the lever. The pivots are arranged in such a manner that a rotation of the lever with respect to the first pivot moves the second pivot and the third pivot in the same direction with respect to the axis. The engaging element and the engaging means are shaped such that the lever is disengaged from the plunger when the second pivot is moved relatively to the plunger in the proximal direction (30), and the plunger is engaged with the lever when the second pivot is moved in the distal direction (20).

Abstract: A drive member for driving a piston rod in a drug delivery device is provided. The drive member is configured to be driven in a rotational movement by an actuating member. The drive member comprises a track for transmitting a driving load from the actuating member to the drive member. The track comprises both sections running in a distal and sections running in a proximal direction of the drive member. Moreover, a drug delivery device comprising such a drive member is provided.

Abstract: A method for securing a cartridge to a body for a drug delivery device is provided comprising the step of securing the cartridge to the body by means of a releasable connection to prevent accidental relative movement between the cartridge (4) and the body during assembly of the device. Afterwards, the releasable connection is modified irreversably into a non-releasable connection such that the cartridge is permanently secured to the body. Furthermore, an assembly for a drug delivery device is provided comprising a cartridge, a body, a first connection means and a second connection means. The first connection means and the second connection means are configured to mechanically cooperate to form a releasable connection. The releasable connection is suitable for releasably securing the cartridge to the body. The releasable connection prevents accidental relative movement between the cartridge and the body during assembly of the device.

Abstract: A method for assembling a drug delivery device comprising a body (2) retaining a piston rod (3) and a cartridge (5) retaining a bung (6) and holding a drug, said body (2) having a distal end (11) and a proximal end (12), comprises the following steps: A) Providing the cartridge (5) and the body (2) retaining the piston rod (3), wherein the piston rod (3) is plastically deformable, at least a part of said plastically deformable piston rod being manufactured from a plastically deformable material, B) Applying a force on the piston rod (3), at least a part of the piston rod (3) being in a state that allows plastic deformation, so that the piston rod (3) is plastically deformed and an element of the piston rod (3) abuts the bung (6), C) Applying conditions in order to bring the plastically deformed piston rod (3) of step B) into an altered state wherein no further plastic deformation takes place, D) Securing the cartridge (5) to the body (2).