Abstract: Data collection devices for attachment to injection devices are disclosed. In one embodiment, the data collection device includes: a body attachable to a dial member of the injection device, a sensor arrangement comprising a sensor and a scale, and a processor. The sensor is configured to detect a rotation of the body relative to a trigger of the injection device. The processor is configured to detect a rotation of the body relative to the trigger. One of the sensor and the scale is arranged in or on the body and wherein the other one of the sensor and the scale is located on the trigger or is rotationally lockable to the trigger configured to detect a rotation of the body relative to the trigger.

Abstract: A button for a drug delivery device with a reduced operating loudness includes a plate-like button body forming a touch surface, wherein the plate-like button body is coupled by an axial supporting member 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 includes a material composite with at least one first component consisting of a first material and at least one second component consisting of a second material different from the first material, wherein the at least one first component and the at least one second component are coupled via at least one coupling plane that is at least section wise slanted or perpendicular to the longitudinal direction. Further, the disclosure describes a button assembly for a drug delivery device which is shock resistant.

Abstract: An apparatus configured to be arranged within a housing of an injection device and for detecting a manipulation of the injection device comprises a cam part that is configured to be rotatable relative to a follower part; a resilient member arranged to urge the cam part and the follower part towards abutment with each other wherein rotation of the cam part relative to the follower part causes reciprocating motion of the follower part, wherein the follower part is configured to move reciprocally in an axial direction of the injection device; and a contact sensor provided between the cam part and the follower part and configured to detect the reciprocating motion of the follower part. The cam part comprises a profiled section comprising an axially varying profile arranged to be in abutment with the follower part and configured to cause reciprocating motion of the follower part.

Abstract: A drug delivery device, comprising: a housing, a plunger arranged within the housing and movable along a longitudinal axis and adapted to push a piston within a container in a distal direction, the plunger being prevented from rotating and comprising an external thread, a drive nut arranged within the housing and comprising an internal thread engaging the thread of the plunger, an axial bearing arranged between the drive nut and the housing to limit axial movement of the drive nut relative to the housing, a mechanism configured to exert a force on the drive nut in the distal direction through a rotatable component coupled to the drive nut for joint rotation and at least one non-rotatable component, wherein a bearing is arranged between the at least one rotatable component and the at least one non-rotatable component, the bearing having a smaller diameter than the axial bearing.

Abstract: An injection device comprising a housing with a receptacle for a product, a dosing mechanism for setting a product dosage to be administered and for displaying the set product dosage and a dispensing mechanism for dispensing the product. The dispensing mechanism may include a piston rod, at least one sleeve rotatable relative to the housing to eject the set product dosage, and a button moveable relative to the housing and relative to the at least one sleeve in a dispensing direction from a dosing position into a dispensing position to eject the set product dosage. The injection device can further include a first detector for detecting a position of the button relative to the housing or the at least one sleeve, a second detector for detecting rotational movement of the at least one sleeve or a component part coupled to the at least one sleeve and a feedback generator mechanism.

Abstract: The present disclosure relates to an information acquisition system, an electronic device and to a method of acquiring delivery information of a drug delivery device configured for delivery of a dose of a medicament. The drug delivery device includes a housing and a mechanically implemented post-dispensing indicator. A configuration of the post-dispensing indicator visible from outside the drug delivery device is indicative of a size of a dose previously delivered by the drug delivery device. An image of the post-dispensing indicator is captured after delivery of the dose. —The image is processed and the configuration of the post-dispensing indicator is recognized in the image. A dose size is derived from the recognized configuration of the post-dispensing indicator. The dose size is assigned with a timestamp, storing the dose size with the timestamp in a storage.

Abstract: A data collection device comprises an attachment assembly for attaching the data collection device to a dose setting dial of a medicament administration device and a sensor configured to detected an identifier provided on a surface of an internal component of the medicament administration device, the sensor comprising an ultrasound sensor configured to detect a geometric identifier formed on the surface of the internal component of the medicament administration device. A system comprises the data collection device and the medicament administration device.

Abstract: A supplementary device for an injection device is disclosed. The injection device has a control dial that is rotatably mounted about an axis at a proximal end of the injection device, and the supplementary device is attachable to the control dial. The supplementary device includes a sleeve adapted to be positioned over the control dial when the supplementary device is attached to the injection device. The supplementary device also includes an axial attachment member arranged such that insertion of the control dial into the sleeve moves the axial attachment member from an initial position that permits axial movement of the control dial into the sleeve, into an engagement position in which the axial attachment member engages the control dial to axially attach the supplementary device to the control dial.

Abstract: A dosing mechanism for a drug delivery device is provided for selecting and dispensing user-variable doses of a medicament. The mechanism includes a housing, a piston rod, and a drive configured to rotate the piston rod and/or a movement application component directly engaged with the piston rod in a dispense rotational direction relative to the housing. A rotational end-stop mechanism terminates dose dispense and includes a first engagement element rotationally fixed to the piston rod and/or the movement application component, and a second engagement element that is constrained against rotation relative to the housing at the end of dose dispense. To improve dose accuracy, the second engagement element remains out of direct engagement with the first engagement element during dispensing, and only at the end of dose dispense directly engages the first engagement element to provide a rotational stop. A drug delivery device incorporating the dosing mechanism is also disclosed.

Abstract: The present disclosure refers to a drug delivery device including, a dose setting and/or drive mechanism including a stationary housing having at least one internal groove on an inner surface; a driver positioned within the housing which is moveable relative to the housing during dose dialing and which is moveable relative to the housing during dose dispensing; and at least one flexible tab that is biased to engage the at least one internal groove such that the at least one flexible tab repeatedly engages and disengages the at least one internal groove during dose dialing or during dose dispensing, thereby performing an oscillating movement between two positions including a first position in which the at least one flexible tab engages the at least one internal groove and a second position in which the at least one flexible tab is disengaged from the at least one internal groove.

Abstract: An injection device including a housing, a dose indicator, and a release mechanism. The dose indicator is positioned within the internal space of the housing and includes a number of engaging members at least one thereof being configured to contact multiple of distinct ratchet features in course of a helical or screwing movement in distinct positions to provide a user with a tactile indexing appearance in the way of an increased or decreased dwelling torque at each of the multiple distinct positions. The release mechanism is connected to the dose indicator and includes a drive member. The release mechanism is configured to, when activated during dose dispense, urge the engaging members away from the distant position and against the force of the resilient bias thereby suspending the indexing ratchet appearance at least for a subset of the multiple distinct positions.

Abstract: An assembly for a drug delivery device comprises: a housing having a proximal end and a distal end, a dose setting and drive mechanism comprising a dose setting member moveable relative to the housing in a dose setting operation from an initial position to a dose set position, the dose setting and drive mechanism further comprising a piston rod displaceable in the distal direction relative to the housing in a dose delivery operation, wherein, during the dose delivery operation, the piston rod is displaced relative to the housing by a displacement distance which is determined by the set dose, a guide track, a tracking member configured to cooperate with the guide track, and a coupling mechanism configured to operatively couple the tracking member to the dose setting and drive mechanism, wherein the coupling mechanism has a coupled state and a non-coupled state.

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 supplementary device for an injection device is disclosed. The injection device has a control dial that is rotatably mounted about an axis at a proximal end of the injection device, and the supplementary device is attachable to the control dial. The supplementary device includes a sleeve adapted to be positioned over the control dial when the supplementary device is attached to the injection device. The supplementary device also includes an axial attachment member arranged such that insertion of the control dial into the sleeve moves the axial attachment member from an initial position that permits axial movement of the control dial into the sleeve, into an engagement position in which the axial attachment member engages the control dial to axially attach the supplementary device to the control dial.

Abstract: The present disclosure is generally directed to an attachment mechanism suitable for attaching for example a module to an object that is essentially cylindrical or polygonal in cross-section, e.g. to a portion of a drug delivery device. Further, the disclosure is directed to an electronic system, which is configured to be, e.g. releasably, attached to the drug delivery device as well as an assembly comprising the the electronic system as well as the drug delivery device. The attachment mechanism may comprise a housing, a gripping portion with at least one gripping ring and an actuator for operating the gripping portion between an open condition and a clamping condition.

Abstract: A drive train for a wind-up injection device, comprises a torsional energy storage adapted to be loaded or unloaded by a rotatable element, a rotatable user handle coupled with a button, a rotationally drivable expelling mechanism, and a clutch element coupled with the torsional energy storage via the rotatable element and comprising a ratchet for maintaining the rotatable element at one of a number of discrete angular positions, wherein via the rotatable element, the clutch element is adapted to transmit a torque from the user handle to the torsional energy storage or from the torsional energy storage to the expelling mechanism, and wherein the ratchet is switchable from one position to an adjacent position by a torque transmitted from the user handle to the torsional energy storage, and wherein the drive train is adapted to dampen torque peaks by a flexible impact portion in the area of the clutch element.

Abstract: Data collection devices for attachment to injection devices are disclosed. In one embodiment, the data collection device includes: a body attachable to a dial member of the injection device, a sensor arrangement comprising a sensor and a scale, and a processor. The sensor is configured to detect a rotation of the body relative to a trigger of the injection device. The processor is configured to detect a rotation of the body relative to the trigger. One of the sensor and the scale is arranged in or on the body and wherein the other one of the sensor and the scale is located on the trigger or is rotationally lockable to the trigger configured to detect a rotation of the body relative to the trigger.

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: The present disclosure is generally directed to an attachment mechanism suitable for attaching for example a module to an object that is cylindrical or polygonal in cross section, e.g. to a portion of a drug delivery device. Further, the disclosure is directed to an electronic system, e.g. an electronic add-on module, which is configured to be, e.g. releasably, attached to a drug delivery device as well as an assembly comprising the electronic add-on module as well as the drug delivery device. The attachment mechanism may comprise a housing, a gripping portion with an elastically deformable sleeve and an actuator for operating the gripping portion between an open condition and a clamping condition. The actuator is configured to be operated to rotate the distal end and the proximal end of the sleeve relative to each other, thereby operating the gripping portion between the open condition and the clamping condition.

Abstract: The present disclosure is directed to an electronic add-on module configured for attachment to a drug delivery device and to an assembly comprising a drug delivery device and an electronic add-on module. The electronic add-on module may comprise a first portion with a main housing defining a longitudinal axis. The module comprises a gripping mechanism allowing attachment to drug delivery device dose dial user interfaces, e.g., a dial grip, and/or drug delivery device injection user interfaces, e.g., a dose button of varying diameters and shapes. The first portion comprises on an inner side of the main housing at least two elastically deformable arms each having a clamping section which is configured to be elastically deflected radially outwards with respect to the longitudinal axis from a unstressed, nominal position to a strained, deflected position.