Abstract: A counter system for use in a drug delivery device is provided. The counter system comprises a counter element which is a foil, the counter element comprising indentations and indicia associated with the indentations, and a drive member provided with a catch for driving the counter element, wherein the catch engages a first indentation, and wherein, the catch is configured such that, when the drive member moves in a first direction, the counter element does not move and the catch disengages the first indentation and engages a second indentation which is arranged adjacent to the first indentation, and when the drive member moves in a second direction which is opposite to the first direction, the counter element also moves in the second direction.

Abstract: The present disclosure relates to a container for a liquid medicament that includes a wall structure with at least one flexible portion and confining an inner volume filled with the liquid medicament and an elongated extraction tube having at least a first portion and a second portion that are separated from each other along the tube and which are located inside the inner volume. The extraction tube is radially collapsible when exposed to a compressive force above a predefined threshold, and the first portion, which is located at a distal end of the extraction tube, is less resistive against radial collapsing than the second portion.

Abstract: The present invention relates to a bung (20), to a drug containing cartridge (10) and to a drug delivery device, wherein the bung (20) comprises a coding feature (28) for carrying information regarding at least one of the cartridge (10) and the content of the cartridge (10). Furthermore, it relates to a method for identifying a cartridge (10) containing a medicinal product.

Abstract: A housing for a drug delivery device is disclosed having a first housing component adapted to receive a cartridge at least partially filled with a medicament, and a second housing component adapted to receive a drive mechanism to operably engage with the cartridge for dispensing of a dose of the medicament, wherein the first housing component comprises an insert portion to be inserted in an axial direction into a corresponding receptacle of the second housing component, and wherein the insert portion comprises at least one radially outwardly extending first interlock member to positively engage and to rotationally lock with a correspondingly shaped second interlock member of the receptacle of the second housing component.

Abstract: A cap assembly for a drug delivery device is present having a cap body to protect and to receive a distal dispensing end of the drug delivery device, an interlock member operably engaged with the cap body and being further adapted to releasably engage with a distal end section of the device's dispensing end to provide a safety lock for the cap body.

Abstract: The present invention is directed at a dose setting mechanism for a drug delivery device, comprising an outer sleeve and an inner sleeve located at least partially within the outer sleeve wherein the outer sleeve is connected to the inner sleeve. To reduce noise excitations of the dose setting mechanism, at least one intermediate element is at least partially located in a clearance between the inner sleeve and the outer sleeve in such way that it reduces the relative movement of the inner sleeve and the outer sleeve along a play between the inner sleeve and the outer sleeve. The invention is further directed to a pen-type injector equipped with a respective dose setting mechanism.

Abstract: A drug delivery device for administering a predefined dose of a medicament comprising a housing is presented where the housing includes a body to accommodate a drive mechanism, a cartridge holder to accommodate a cartridge having a piston slidably disposed therein in an axial direction (z), and an interconnection between cartridge holder and body. The interconnection has, at least one displaceable or resiliently deformable latch element to mate with a corresponding bearing, and the latch element is displaceable or deformable in a direction (z, w) extending substantially parallel to a circumferential side wall of the body or cartridge holder.

Abstract: A system comprising a drug delivery device and a cartridge provided with a bung and and a method of identifying the cartridge The present invention relates to a bung (20), to a drug containing cartridge (10) and to a drug delivery device, wherein the bung (20) comprises a coding feature (28) for carrying information regarding at least one of the cartridge (10) and the content of the cartridge (10). Furthermore, it relates to a method for identifying a cartridge (10) containing a medicinal product.

Abstract: The present invention relates to a cartridge for a drug delivery device, comprising a barrel of substantially cylindrical shape and at least one piston arrangement displaceably arranged in the barrel, wherein the piston arrangement occupies at least 20% of the volume confined by the barrel.

Abstract: The present invention relates to an arrangement for use in a drug delivery device comprising a cartridge holder, the cartridge holder comprising an opening at its distal end, a needle holder and one or more intermediate elements, wherein when the needle holder is mounted to the cartridge holder and the one or more intermediate elements are arranged in the opening of the cartridge holder whereby the size of the free space within the opening is reduced. Furthermore, it relates to a drug delivery device which is comprising such an arrangement and to a method for stabilizing a septum located at the distal end of a medicament cartridge.

Abstract: A drive mechanism of a drug delivery device is presented having, a piston rod to operably engage with a piston of a cartridge containing a medicament, a first functional component and a second functional component whose position or orientation relative to each other is unambiguously correlated to a predefined axial position of the piston rod, wherein the first and/or the second functional component comprise at least one engaging portion to inseparably and to adhesively engage the first and the second functional component with each other for rendering the drive mechanism inoperable when the predefined axial position of the piston rod has been reached.

Abstract: An assembly for a drug delivery device (1) is provided, the assembly comprising a piston rod (10) and a force transfer subassembly (16, 17), the force transfer subassembly being arranged and configured, in a driving mode of operation of the assembly, to transfer a driving force (F) to the piston rod in order to drive the piston rod, the force transfer subassembly comprising a first force transfer member (17), and a second force transfer member (16), wherein the first force transfer member and the second force transfer member are operatively coupled to each other via a force-sensitive coupling (27) to transfer the driving force to the piston rod, and wherein, when an excessive force acts on the force-sensitive coupling, the force-sensitive coupling is arranged and configured to be released in order to switch the assembly from the driving mode of operation into a security mode of operation.

Abstract: The present invention is directed to a drug delivery device with a drive mechanism including a piston rod with a bearing for driving a bung in a cartridge in a distal direction. A movable element is disposed displacably in an axial direction within the drive mechanism. The moveable element is movable between a first position in which a distal end of said movable element protrudes from said bearing and a second position in which a distal end of said movable element lies flush with the distal end of said bearing. The invention is further directed to a method for detecting the contact between the bearing and the movable bung.

Abstract: Assembly for a drug delivery device and drug delivery device An assembly for a drug delivery device (1) is described comprising an activation member (6A) adapted and arranged to be axially moved in a delivery direction for triggering a dose delivery operation of the assembly, a first interaction member (17) and a second interaction member (18) which are adapted and arranged to mechanically cooperate with one another during a dose delivery operation of the assembly and to be rotated with respect to one another during the dose delivery operation, wherein the assembly is configured such that movement of the activation member (6A) in the delivery direction brings the interaction members (17, 18) into mechanical contact for generating a friction between the interaction members (17, 18), wherein an amount of friction controls a relative rotational speed of the interaction members (17, 18) during a dose delivery operation. Furthermore, a drug delivery device comprising the assembly is described.

Abstract: An assembly for a drug delivery device (1) is described comprising at least one drive member (19, 26) adapted and arranged to be moved in a delivery direction during a dose delivery operation of the assembly and in a direction opposite to the delivery direction during a dose setting operation of the assembly, an energy storing member (16) adapted and arranged to store energy and to cause movement of the drive member (19, 26) in the delivery direction, and an interaction system adapted and arranged to generate a friction onto the drive member (19, 26), wherein an amount of friction regulates a speed of movement of the drive member (19, 26) when drive member (19, 26) is moved in the delivery direction. Furthermore, a drug delivery device comprising the assembly is described.

Abstract: An assembly for a drug delivery device (1) is described comprising a piston rod (12) adapted and arranged to be displaceable in a delivery direction for dispensing a dose of a drug (10) from the device (1), an energy storing member (16) which is adapted and arranged to store energy and to move the piston rod (12) in the delivery direction, and an interaction member (7) adapted and arranged to mechanically cooperate with the piston rod (12), wherein the interaction member (7) is displaceable between a first position and a second position with respect to the piston rod (12), wherein the interaction member (7) is configured to be moved from the first position towards the second position to increase a friction onto the piston rod (12) and, wherein the interaction member (7) is configured to be moved from the second position back into the first position to decrease the friction onto the piston rod (12). Furthermore, a drug delivery device (1) comprising the assembly is described.

Abstract: An assembly for a drug delivery device is provided comprising a housing, and a lead screw having a longitudinal axis, a distal end and a proximal end, the lead screw being rotatably fixed during dose setting and dose delivery and axially movable in a distal direction relative to the housing, the lead screw further including a thread. The assembly further comprises a drive nut threadedly engaged with and screwable along the lead screw thread and a dial link connected with the drive nut and axially movable and rotatably fixed relative to the drive nut, where the dial link comprises a first portion of a feedback ratchet. The assembly is configured such that, during dose delivery, the assembly generates a feedback signal.

Abstract: The present disclosure provides for a drive assembly for a drug delivery device. The drive assembly comprises a housing; a piston rod having a longitudinal axis, a distal end and a proximal end and being axially movable in a distal direction relative to the housing and a mid-body axially fixed inside of the housing and coupled to the piston rod. The mid-body comprises at least one metal ratchet arm configured to prevent the piston rod from moving in the proximal direction. Moreover, a drug delivery device with such a drive assembly is presented.

Abstract: The present invention relates to a housing of a drug delivery device comprising a cylindrically shaped body (12) to accommodate a drive mechanism (13) and comprising a cartridge holder (14) to accommodate a cartridge (16) containing a dispensable medicament, the housing further comprising a connector assembly (20) to releasably interconnect body (12) and cartridge holder (14), the connector assembly (20) comprising: a tangentially extending recessed structure (30) with a tangential opening (31) to receive a radially extending pin (26), wherein the recessed structure (30) is fastened to one of body (12) and cartridge holder (14) and wherein the pin (26) is fastened to the other one of body (12) and cartridge holder (14), a release member (40) having a retaining portion (42) to cover the opening (31) in a locking configuration (60), wherein the release member (40) is displaceable in tangential direction (3) against a restoring force away from the recessed structure (30) into a release configuration (62), in whi

Abstract: A drug delivery device comprises a lead screw having a longitudinal axis, a distal end and a proximal end that is axially movable in a distal direction relative to a mid-body, the lead screw including a threaded shaft, wherein the lead screw has a keyway positioned parallel to the longitudinal axis and containing a first section of a dose dispensing feedback component; the mid-body being designed to prevent rotation of the lead screw with respect to the mid-body, where the mid-body contains a second section of the dose dispensing feedback component.