Abstract: A drug delivery device, comprises a housing having a longitudinal axis; an axially moveable component that is moveable along the longitudinal axis between a dose dialing position and a dose delivery position when a user operates the device to deliver a dose of drug; an encoder sleeve; an encoder pattern provided on the encoder sleeve, the encoder pattern comprising relatively conductive portions and relatively non-conductive portions that together comprise coded information; a contact-supporting component; and plural electrical contacts provided on the contact-supporting component. The plural electrical contacts contact the encoder pattern when the dose delivery button is in the dose dialing position and wherein the device is configured to move the contact-supporting component relative to the encoder sleeve as the axially moveable component moves from the dose dialing position to the dose delivery position such as to move the electrical contacts into positions where they do not contact the encoder pattern.

Abstract: A display assembly for a drug delivery device (100) is provided. The display assembly comprises a housing (10) having a proximal end (17), a distal end (16) and a longitudinal axis (x). The display assembly further comprises a display member (120) defining a display member window (122), wherein the display member (120) is rotationally locked to but movable with respect to the housing (10) along the longitudinal axis (x). The display assembly further comprises an indication member (60) comprising indicia (66) and a movable member (110) which is rotationally coupled to the indication member (60). The movable member (110) is further coupled to the display member (120) and rotatable with respect to the housing (10). When the movable member (110) is rotated with respect to the housing (10), the rotating movable member (110) moves the display member (120) axially with respect to the housing (10) to display different indicia (66) through the display member window (122).

Abstract: This disclosure refers to a dosing mechanism for use in a drug delivery device implementing a dialing mode and a dispensing mode, wherein the dosing mechanism comprises a dose button, a housing and a determination unit. The dose button is activatable by the user for dose dispense, causing displacement of an indicating element connected to the housing from a first position to a second position. The determination unit is adapted such that it detects the indicating element in its second position and thereby determines that the dosing mechanism is in the dispensing mode. With some embodiments, it is possible to distinguish between the dialing mode and the dispensing mode. Some embodiments further refer to a drug delivery device comprising the above dosing mechanism.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament and to a housing for such a device. The housing comprises a twin-shot injection moulded casing with at least one window and at least one interface for engaging a further component part of the drug delivery device. The casing comprises a first shell injection-moulded in a translucent material and a second shell injection-moulded in an opaque material. Further, the disclosure is directed to a method for producing such a housing.

Abstract: The disclosure refers to an injection device for automatic spring driven injection of a liquid drug by which doses of an individual size can be set by a user. The injection device comprises a housing defining an interior space and having a longitudinal window, a rotatable dose dial axially retained in relation to the housing, a rotatable scale drum carrying indicia for indicating the size of the set dose, wherein the scale drum is functionally coupled to the dose dial to rotate when the dose dial is rotated to set a dose, a sliding element provided with a sliding window, which sliding element is adapted to slide axially in relation to the housing during dose setting, and through which sliding window the indicia carried by the scale drum is visible. The longitudinal window and the sliding window in combination with the indicia form a dose size display. The scale drum rotates within the interior space defined by the housing during dose setting.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament. The device comprises a housing and at least two separate component parts, wherein for example at least one of these component parts performs a movement relative to the housing during dose setting and for example at least one of these component parts performs a movement relative to the housing during dose dispensing, and wherein the relative movement of the at least two separate component parts with respect to each other during dose setting differs from the relative movement of the at least two separate component parts with respect to each other during dose dispensing.

Abstract: The invention relates to an arrangement for detecting a position of a plunger relative to a bung in a drug cartridge, comprising a proximity sensor located close to a distal end of the plunger facing the bung and aligned to receive light reflected by the bung.

Abstract: The present disclosure is generally directed to a trigger mechanism for initiating dispensing doses of a medicament from a drug delivery device. The trigger mechanism includes a trigger element movable in a first direction relative to a counter element. To provide a feedback to a user of the trigger mechanism, the trigger element includes a first interference member and the counter element includes a second interference member located with respect to the first interference member such that upon movement of the trigger element relative to the counter element the first interference member contacts and passes over the second interference member, thereby generating an audible and/or tactile feedback. Further, the disclosure includes a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising such a trigger mechanism.

Abstract: The present disclosure relates to a drive mechanism which is suitable for an injection device, especially a drug delivery device. The mechanism comprises a housing having a longitudinal axis defined by a compartment for receiving a cartridge, a plunger suitable for acting on a bung of a cartridge retained in the housing, a strained pressure spring arranged between the housing and the plunger, a retaining member coupled to the plunger, and a release member operable between a first state, in which the release member constrains the retaining member to the housing, and a second state, in which the release member is movable relative to the housing.

Abstract: A method for assembling a drug delivery device that includes mounting a cartridge with a bung, the mechanism, the plunger and the spring within a housing such that a spring biases a plunger in a dispensing direction and that a drum and/or the release member is attached to the plunger attaching a tool with torque measurement capability to the drum or a release member of a dose mechanism in a state where at least one housing part is detached from further housing part; setting a dose by rotating the dose setting member in a first direction, activating a trigger and monitoring the torque applied to the drum or the release member; releasing the trigger upon detection of a predetermined change in the torque measured by the tool; and releasing the tool and closing the housing.

Abstract: The present disclosure relates to a drug delivery device, comprising a housing, a cartridge, the cartridge containing a drug in a quantity sufficient for a plurality of doses of the drug, a bung, the bung being movably retained within the cartridge to dispense a dose of the drug from the cartridge upon movement of the bung with respect to the cartridge, and a drive mechanism, the drive mechanism being operable to transfer a driving force to the bung to dispense the dose of the drug from the cartridge. The drug delivery device is configured such that the maximal driving force which is transferrable to the bung via the drive mechanism varies and is adjusted to the current position of the bung within the cartridge.

Abstract: The present invention relates to a drug delivery device comprising a dose setting member (70) for setting user variable doses of a medicament and a display for indicating the dose set by the dose setting member (70). The display comprises a number wheel (100), which is rotationally coupled to the dose setting member (70) and is provided with a series of markings on its outer circumference, and at least one prism (90) deviating the image of the markings of the number wheel (100), e.g. by 90°.

Abstract: A drug delivery device for selecting and dispensing a number of user variable doses of a medicament includes a housing having an opening, a dose selector operable to set a dose by rotation relative to the housing, a release member controlling movement of a piston in a dispensing direction, and a display comprising a units number wheel and a tens number wheel which are coupled to each other such that a continuous rotation of the units number wheel is translated into an intermittent rotary motion of the tens number wheel. The release member rotates, during dose dispensing, an angle corresponding to the dose set by the dose selector, thereby allowing a piston to move in a dispensing direction.

Abstract: The present disclosure relates to an injection device for setting and dispensing of a dose of a medicament, the device including an elongated housing to accommodate a cartridge filled with the medicament and sealed with a piston, a piston rod extending along a first axis and being threadedly or slidingly engaged with the housing to apply a distally directed thrust to the piston of the cartridge, a drive member rotationally or threadedly engaged with the piston rod and having a wheel section or geared section, and a drive sleeve extending along a second axis at a radial distance from the first axis and having a geared section to mesh with the wheel section or geared section of the drive member, wherein a first radial distance between first and second axes at a distal end of the drive sleeve differs from a second radial distance between first and second axes at a proximal end of the drive sleeve.

Abstract: The disclosure is directed to a drive mechanism for use in a drug delivery device having a cartridge, the mechanism comprising a base element, a toothed piston rod movable from a first retracted position corresponding to a full cartridge to a second extended position corresponding to an empty cartridge, wherein the piston rod is guided within and movable relative to the base portion, and a drive gear having a pinion, which is rotatably held in the base element and in meshed engagement with the toothed piston rod, wherein the toothed piston rod comprises multiple rigid rod pieces which are connected by hinges, and a drive spring, which is fixed to the base element with one end and fixed to the drive gear with another end and which exerts a force or torque to the drive gear for rotating the drive gear relative to the base element, which rotation results in a movement of the toothed piston rod.

Abstract: The present disclosure relates to a drive mechanism which is suitable for an injection device, especially a pen type drug delivery device and to such a drug delivery device. The mechanism comprises a spring driven rotatable drive member, a rotatable driven member, a clutch rotationally coupling the driven member and the drive member in a coupled state and allowing relative clockwise and anti-clockwise rotation between the driven member and the drive member in a decoupled state, and a spring biasing the clutch into its coupled state and allowing relative axial movement between the drive member and the driven member into the decoupled state of the clutch against the bias of the spring.

Abstract: A dose setting mechanism comprising a first element and a second element; the first element being moveable with respect to the second element; the first element and the second element being coupled by a ratchet mechanism allowing motion of the first element with respect to the second element from a first position to a second position only in a first direction while preventing motion in a second direction that is opposite to the first direction; once passing the second position, the first element being moveable with respect to the second element in the first direction and in the second direction.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament and to an insert for such a device. The insert comprises a cup-shaped body with a distal end and a proximal end. The body has a sidewall and a tube which extends centrally through the cup-shaped body in a longitudinal direction, thereby defining an annular space between the sidewall and the tube. The annular space is open in the proximal direction for receiving a compression spring. The tube comprises a thread provided at an inner surface of the tube. Further, the tube, the sidewall and/or a second part comprise a clutch feature for rotationally constraining a component part to the insert.

Abstract: The subject matter described herein relates to a supplementary device for attachment to an injection device, the supplementary device comprising: a first imaging arrangement and a second imaging arrangement each configured to capture an image of a moveable number sleeve of the injection device from different respective angles. The supplementary device also comprises a plurality of light sources and a processor arrangement configured to control operation of the first imaging arrangement and the second imaging arrangement and the plurality of light sources and to receive image data from each of the imaging arrangements, wherein the processor arrangement is configured to combine images captured by the first imaging arrangement and the second imaging arrangement into a single image.

Abstract: The present invention is generally directed to an assembly for a drug delivery device comprising a first threaded member (50, 50?), a second threaded member (40, 60?) with a longitudinal axis and a thread (61), having at least two consecutive portions (62, 63, 64) with different leads. The first threaded member (50, 50?) and the second threaded member (40, 60?) are adapted and arranged to rotate with respect to one another about the longitudinal axis of the second threaded member (40, 60?) during dose setting operation of the assembly, the first threaded member (50, 50?) thereby being axially displaced along the second threaded member (40, 60?) from a start position to an end position with respect to the second threaded member (40, 60?) due to the mechanical cooperation of the first threaded member (50, 50?) with the thread (61).