Abstract: An automatic feedback mechanism for a medicament delivery device that notifies a user of a start of expulsion of medicament from a medicament container is presented where a plunger rod, a tubular extension member arranged to receive the plunger rod in the radial space, and wherein the tubular extension member has flexible tongues configured to releasably lock the plunger rod in a pre-tensioned state. The tubular operation member is arranged to receive the tubular extension member, where the tubular operation member in a first position is arranged to press the flexible tongues radially inwards to lock the plunger rod in the pre-tensioned state. A first resilient member is arranged inside the plunger rod to exert a force in the proximal direction. A signal generating member is arranged to partially surround the plunger rod such that movement of the signal generating member distally hits the inner distal surface generating an audible signal.

Abstract: A drive mechanism for a medicament delivery device is presented having an activation rod provided with external activation rod threads having a first thread helix angle, an activation knob rotationally locked with the activation rod, wherein the activation knob is configured to be moved between a first axial position relative to the activation rod in which the activation knob is prevented from rotation and a second axial position in which the activation knob is allowed to rotate in a first direction, an axially slidable drum which is rotationally locked, a dose drum rotationally locked relative to the activation rod, wherein the dose drum is configured to rotate relative to the slidable drum, an indicator drum provided with external indicator drum threads having a second thread helix angle, wherein rotation of the activation knob in the first direction causes concurrent first rotation of the activation rod and the dose drum in accordance with the first thread helix angle.

Abstract: The present invention relates to a medicament container holder (10) comprising a body (12) adapted to receive a medicament container (14), the body (12) comprising proximally directed tongues (38) at its proximal end, engagement elements (42) arranged at the proximal end of the tongues (38), directed inwards, which engagement elements (42) are arranged to engage a neck portion (46) of the medicament container (14); wherein the tongues (38) deflect radially outwards when engaged by a needle shield (16) of said medicament container (14). The invention is characterized in that said tongues (38) with said engagement elements (42), engage with said neck portion (46) of said medicament container (14) for preventing the medicament container (14) from moving in a proximal direction relative the medicament container holder (10), when disengaged with said needle shield, wherein said tongues (38) are in a stressed state when in engagement with said neck portion (46).

Abstract: The present disclosure relates to a device for handling medicament delivery devices and is to be used with a safety container, where the medicament delivery devices have information retaining elements having information that is unique to specific medicament delivery devices, and which medicament delivery devices are to be put in a safety container after use. The disclosed device has an information obtaining mechanism operably arranged to obtain information from the medicament delivery devices placed into the safety container.

Abstract: A medicament delivery device is presented having a housing that is arranged to accommodate a medicament container, a drive unit operably arranged to act on the medicament container upon activation, an activation mechanism operably arranged to be operated by a user, an activation preventing mechanism operably arranged to prevent the activation mechanism to be activated, an usage management module arranged to be operated by a user, which usage management module is designed as an attachable unit to the medicament delivery device. First keying elements are arranged on the device and on the usage management module designed to interact with each other when attaching said usage management module, such as to cause a deactivation of the activation preventing mechanism to allow operation of the activation mechanism. The usage management module can include a monitoring circuit arranged to monitor the use of the medicament delivery device.

Abstract: A medicament delivery device is presented that has a manually operable activator element, an activator blocker operably arranged to the activator element, where the activator blocker defines at least one locking member. A medicament delivery device housing is included having at least one flexible hook, wherein the at least one flexible hook of the medicament delivery device housing is operably between a locked position and an unlocked position. In the locked position the flexible hook is releasably engaged with the at least one locking member of the activator blocker, thereby preventing operation of said activator element and in the unlocked position the flexible hook is out of engagement with the at least one locking member of the activator blocker, thereby allowing operation of said activator element.

Abstract: A sub-assembly of a medicament delivery device is presented, where the sub-assembly includes a plunger rod that is biased, a main body arranged on the plunger rod, and a coupling member movable relative to the main body, where the main body includes a first locking element, the coupling member includes a second locking element, and where the first locking element and the second locking element are configured to be releasably engaged with each other such that the coupling member is prevented from moving relative to the main body.

Abstract: A medicament delivery device includes a generally elongated tubular housing having opposite proximal and distal parts; a needle shield sleeve slidably and coaxially arranged inside the housing with a proximal part of the sleeve protruding a distance outside the proximal part of the housing; a syringe carrier mechanism having a syringe carrier slidably and coaxially arranged within the needle shield sleeve, a syringe having a stopper, a medicament, and a needle, the syringe being coaxially arranged within the syringe carrier; and a holding member connected to the syringe carrier; a first activator member an a second activator member; a drive mechanism adapted to accumulate a drive force for moving the syringe carrier mechanism in a first step and a second step. The second activator member is arranged within an information device for producing audible, visual, and/or tactile feedback to a user about a completed injection.

Abstract: A drive unit for a medicament delivery device is presented having an elongated plunger rod extending in a longitudinal direction, a drive force element capable of applying a drive force on the elongated plunger rod, and an actuator operably connected to the elongated plunger rod for releasably holding the elongated plunger rod in an energized state when the drive force element is exerting a drive force on the elongated plunger rod. An activator is operably connected to the actuator for releasably holding the actuator in a holding position where the actuator is designed to be movable from the holding position in a direction generally transversal to the longitudinal direction upon a displacement of the activator for releasing the plunger rod.

Abstract: An injection device comprising a housing in which can be mounted a syringe comprising a barrel for holding a volume of medicament, a needle at one end of the barrel and a plunger axially-moveable in the barrel to a forwardmost position, the injection device further comprising a syringe support means for supporting the barrel at an axial location at or forward of the forwardmost position of the plunger and having a reaction surface for the syringe, whereby in use said reaction surface provides an axial compressive force on said barrel when a forward axial force is applied to the plunger.

Abstract: A power pack for use with a medicament delivery device is presented having a plunger rod movable along a longitudinal axis; a drive spring operably connected to said plunger rod; a plunger rod sleeve arranged with holding elements for releasably holding said plunger rod with said drive spring in a tensioned state. Signal initiating elements are arranged to said plunger rod; and signal generating elements arranged to cooperate with said signal initiating elements for providing information to a user of a medicament delivery device about the movement of said plunger rod when said plunger rod sleeve has been activated to release said holding elements.

Abstract: A drive mechanism for a delivery device is presented containing, a rotator having an outer surface and an inner surface, the rotator configured to rotate from a first position to a second position. A needle cover having an inner surface that engages the outer surface of the rotator. A rotatable plunger rod having an outer surface configured to engage the inner surface of the rotator. When the rotator rotates from the first position to the second position, the rotatable plunger rod is rotated by the rotator and a plunger rod spring is released from a pre-tensioned state to exert a force on the rotatable plunger rod.

Abstract: A dose setting mechanism for a medicament delivery device, which dose setting mechanism comprises, a tubular member 10 having a longitudinal track 18 of a predetermined length; a dose drum 40, coaxial with the tubular member 10, and being axially and rotationally movable relative to the tubular member 10; a stop member 90, axially movable but rotationally locked relative to the tubular member 10, and further being in an axially slaved connection with the dose drum 40; wherein said stop member 90 comprises a track follower 98 in engagement with the longitudinal track 18, such that rotational movement of the dose drum 40 relative to the tubular member 10 may cause a maximum axial displacement of said dose drum 40 and said stop member 90, relative to the tubular member 10, corresponding to said predetermined length.

Abstract: A medicament delivery device includes a housing having a longitudinal axis, a container holder, an axially movable plunger adapted to be displaced along the longitudinal axis into the container holder, and an energy accumulating member arranged inside the housing and adapted for displacing the plunger along the longitudinal axis. The plunger includes an outer plunger rod and an inner plunger rod arranged at least partially inside the outer plunger rod, the inner plunger rod being threadedly engaged with the outer plunger rod and manually rotatable to displace the inner plunger rod along the longitudinal axis into the container holder.

Abstract: The present invention relates to a medicament delivery device comprising a housing, arranged to accommodate a medicament container; a power unit arranged inside said housing, said power unit comprising a plunger rod, a drive spring operably arranged to act on the plunger rod and, which is, upon activation, operably arranged to act on said medicament container, an actuator comprising holding elements, capable of releasably holding said plunger rod with said drive spring in a tensioned state, and an actuator sleeve operably connected to said actuator for releasably locking said holding elements in a holding state; said medicament delivery device further comprising a medicament delivery member guard slidably movable in said housing and arranged to act on said actuator sleeve for setting said holding elements with said actuator sleeve in a first activation state; an activator unit arranged to be manually operated and, which is, operably connected to said plunger rod for setting said holding elements with said act

Abstract: A medicament delivery device is presented having an elongated body having a longitudinal axis, a proximal end and a distal end that is provided with a distal surface. The distal surface is arranged and configured such that the elongated body of the medicament delivery device can steadily stand on the distal surface.

Abstract: A medicament delivery device is presented having a housing that is arranged to accommodate a medicament container, a drive mechanism capable of, upon activation, act on said medicament container, a communication unit arranged in the housing, a switch operably connectable to the drive mechanism and connected to the communication unit for activating the communication unit when the switch is operated, wherein the switch is operated by the drive mechanism at the end of a dose delivery sequence.