Abstract: A button (70, 270, 370, 470) for a drug delivery device with a reduced operating loudness comprises a plate-like button body forming a touch surface (70b, 270b, 370b, 470b), wherein the plate-like button body is coupled by an axial supporting member (75, 275, 375, 475) to a noise-generating interface of the drug delivery device and movable into a longitudinal direction of the drug delivery device, wherein the plate-like button body comprises a material composite with at least one first component (271, 272, 371, 372, 373, 374, 471) consisting of a first material and at least one second component (278, 378, 478) consisting of a second material different from the first material, wherein the at least one first component (271, 272, 371, 372, 373, 374, 47) and the at least one second component (278, 378, 478) are coupled via at least one coupling plane (270d, 270e, 370d, 470d) that is at least sectionwise slanted or perpendicular to the longitudinal direction.

Abstract: A spring assisted drug delivery device comprising: a housing; a piston rod having a longitudinal axis, a distal end and a proximal end that is axially movable in a distal direction relative to the housing, a mid-body fixed inside of the housing and coupled to the piston rod in such a manner that the piston rod is axially movable in a distal direction relative to the mid-body, and wherein a preloaded spring is operatively coupled to the piston rod in such a manner that the spring is released and the stored force in the spring supports driving the piston rod in the distal direction during a dose administration step.

Abstract: The present disclosure relates to a pen injecting device for delivering a liquid medicament comprising a pen body and a needle is received in a first end of the pen body. The pen injecting device further comprises an inner needle shield, removeably located over the needle to enclose the needle, and an outer needle shield, removeably located over the inner needle shield to enclose the inner needle shield. The pen injecting device also comprises a pen cap removeably attached to the first end of the pen body so as to enclose the outer needle shield. The pen cap comprises an arm depending from an inside surface of the cap and extending away from the first end of the pen body toward the inner and outer needle shields, the arm having a sharp end so that, as the cap is removed from the body, the sharp end of the arm grips the inner or outer needle shield to retain it in the cap and expose the needle.

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: 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: An assembly for a drug delivery device and an associated drug delivery device are provided. The device has a drug delivery device housing and a medicament contained in the drug delivery device housing. A clutch is established between the dose knob and the dial link to prevent inadvertent proximal axial movement of the lead screw away from the cartridge piston, which can lead to dosing inaccuracies.

Abstract: An injection device for setting and injecting of a dose of a medicament includes: an acoustic feedback arrangement comprising: a first feedback element having a first engaging section and having a free end section located at a predetermined distance from the first engaging section, a second feedback element having a second engaging section configured to engage with the first engaging section, wherein the first feedback element is movable, pivotable or resiliently deformable along a first direction (d1) relative to the second feedback element from an initial state (i) towards a biased state (b), and a sound generator formed by the first engaging section or audibly engageable with the free end section of the first feedback element.

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: An assembly for a drug delivery device is presented. The assembly comprises a housing and a piston rod having a longitudinal axis, a distal end and a proximal end. The piston rod further comprises a piston rod interaction feature, and a piston rod guide being movable with respect to the piston rod, the piston rod guide further comprising a guide interaction feature corresponding to the piston rod interaction feature, the piston rod guide being movable with respect to the piston rod to switch between a first state and a second state of the assembly, the second state being different from the first state.

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: An assembly for a drug delivery device and an associated drug delivery device are provided. The device has a drug delivery device housing and a medicament contained in the drug delivery device housing. A clutch is established between the dose knob and the dial link to prevent inadvertent proximal axial movement of the lead screw away from the cartridge piston, which can lead to dosing inaccuracies.

Abstract: A spring assisted drug delivery device is provided comprising a housing and a lead screw having a longitudinal axis, a distal end and a proximal end that is rotatably fixed during dose setting and dose delivery and axially movable in a distal direction relative to the housing. The device further comprises a drive nut threadedly engaged and screwable along the lead screw threaded shaft and a number sleeve threadedly engaged with the housing to be screwable relative to the housing. A dial link is connected with the drive nut and axially movable and rotatably fixed relative to the drive nut and an inner sleeve is threadedly engaged with the number sleeve, the inner sleeve being axially movable and rotatably fixed relative to the housing. A mid-body is axially fixed inside of the housing. A spring is provided that assists a user of the device during a dose administration step.

Abstract: An assembly for a drug delivery device is presented. The assembly comprises a housing and a piston rod having a longitudinal axis, a distal end and a proximal end. The piston rod further comprises a piston rod interaction feature, and a piston rod guide being movable with respect to the piston rod, the piston rod guide further comprising a guide interaction feature corresponding to the piston rod interaction feature, the piston rod guide being movable with respect to the piston rod to switch between a first state and a second state of the assembly, the second state being different from the first state.

Abstract: A drive assembly for a drug delivery device includes a housing; a number sleeve threadedly engaged with the housing; a dial link rotatably fixed with the number sleeve in a first axial arrangement relative to each other, the number sleeve being rotatable relative to the dial link in a second axial arrangement; a clutch component connected to an inner proximal section of the number sleeve through multiple flexible assembly fingers. The clutch component can engage the number sleeve with the dial link in the first axial arrangement and disengage the number sleeve from the dial link in the second axial arrangement. The drive assembly includes means for preventing an access to the flexible assembly fingers from the outer proximal section of the number sleeve and/or the flexible assembly fingers from flexing inwardly and disengaging from the connection with the inner proximal section.

Abstract: Described herein are specialized needle assemblies for injection systems. One example injection system includes a needle assembly configured to removably attach to a drug delivery device and a housing configured to receive a drug cartridge. The needle assembly includes a needle configured to extend through an outlet port of the drug delivery device and establish fluid communication with the drug cartridge within the housing of the drug delivery device. The needle assembly may include a fluid flow sensor monitoring the fluid flow and/or occlusions within the needle assembly, and provide indications of an occluded or clogged needle and/or one or more indications of proper flow through the needle, e.g., non-occlusion of the needle. In some examples, the arrangement of the needle assembly includes sensors to detect an occlusion within a portion of a needle.

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: The present invention relates to a pen injecting device for delivering a liquid medicament comprising a pen body, a needle received in a first end of the pen body, an inner needle shield removeably located over the needle to enclose the needle, an outer needle shield removeably located over the inner needle shield to enclose the inner needle shield and a pen cap removeably attached to the first end of the pen body so as to enclose the outer needle shield. The pen cap comprises an arm depending from an inside surface of the cap and extending away from the first end of the pen body toward the inner and outer needle shields, the arm having a sharp end so that, as the cap is removed from the body, the sharp end of the arm grips the inner or outer needle shield to retain it in the cap and expose the needle.

Abstract: A medicament delivery device comprising: a main body arranged to receive a medicament cartridge sealed with a penetrable barrier; a needle carrier carrying a needle; a cap removably coupled to the needle carrier, a pre-stressed spring connected to the needle carrier and to the main body, wherein the pre-stressed spring is held by an activation element coupled to the cap, wherein the activation element is arranged to release the spring when the cap is pulled in a distal direction from the device, thereby causing the needle carrier to move axially in a proximal direction.

Abstract: A method and an assembly for providing a drug delivery device is presented. The assembly includes a housing and an end of dose feedback connection provides the user with an audible and/or tactile signal to indicate that the drug delivery is completed. A first section of the end of dose feedback connection is located on a distal portion of an inner sleeve and a second section of the end of dose feedback connection is located on the mid-body.

Abstract: The present disclosure relates to a flexible container for an injection device including a flexible bag having an interior volume to be filled with a liquid medicament, an outlet located at a first end of the bag, and a contraction member connected to the bag to displace a second end of the bag located opposite to the first end towards the first end.