A drug delivery device comprises a first component and a second component, wherein a substance is provided on at least one of the first component and the second component. An inner friction of the substance is great enough to stabilize at least one of the orientation and the position of the first component and the second component with respect to one another. The inner friction of the substance is small enough to allow relative movement of the first component and the second component necessary for the intended operation of the device. Furthermore, a method for assembling a drug delivery device is provided.

Drug delivery device has drive assembly adapted to move a piston rod in a distal direction, the drive assembly comprising a drive spring. A rotatable setting member allows a user to set a dose amount to be expelled, the drive spring being strained during dose setting. User actuated release means is provided for releasing the drive spring to thereby move the piston rod in the distal direction corresponding to the set dose. The setting member can be moved axially between an initial position and a proximal setting position, and between the initial position and a distal expelling position, wherein the setting member cannot be rotated to set a dose when in the initial position, the setting member can be rotated to set a dose when in the proximal position, and a strained drive spring is released when the setting member is moved axially from the initial to the distal position.

A dose setting mechanism for a medicament delivery device is presented having a pinion mounted to a locking member where the axis of rotation of the pinion is offset and parallel to the longitudinal axis of the housing containing the dose setting components. Primary and secondary dose members are engaged with the pinion to indicate a set dose of medicament.

The present invention relates to a medicament delivery device comprising: a housing (10, 16) having a distal and an proximal end, said housing being adapted to receive a medicament container (18) with a delivery member (20) or with a connectable delivery member for delivery of a medicament; a drive mechanism (54) arranged to act on a plunger rod (58), which plunger rod (58) in turn is arranged to act on the medicament container (18) for providing automatic delivery of the medicament; a release mechanism (62) interactively connected to the drive mechanism (54) for releasing the drive mechanism (54) from a pre-tensioned state; a signal generating mechanism (90) for generating an audible and/or tactile and/or visual signal indicating that the medicament has been completely delivered, which signal generating mechanism (90) is operably connected to said drive mechanism such that it is arranged movable in a longitudinal direction in relation to said drive mechanism (54), that said drive mechanism (54) is arranged with a signal release mechanism (111) capable of activating said signal generating mechanism (90) at a certain longitudinal position of said drive mechanism after its release, for generating an audible and/or tactile and/or visual signal, wherein said signal generating mechanism (90) comprises a signal delay mechanism (105) operably arranged to delay the generation of signal after activation of said signal generating mechanism (90).

An assembly for a drug delivery device comprises a housing, a dose member which is displaceable in a proximal direction with respect to the housing for setting of a dose of a drug, a clutch member which is displaced in the proximal direction with respect to the housing when setting the dose, and a stop member configured to define a clutch stop position. The clutch member and the dose member are configured to mechanically cooperate with one another when the clutch member is in the clutch stop position, thereby preventing further displacement of the dose member in the proximal direction with respect to the housing during setting of the dose.

A cartridge assembly (200) having a shared fastening features for use with a drug delivery device (202). The cartridge assembly includes a cartridge holder (204), a drug cartridge (206), and a connector (208). The connector may be attached to the drug cartridge. The cartridge assembly further includes a fastening means (210, 212) for fastening to a drug delivery device, and this fastening means is shared between the cartridge holder and the cartridge or between the cartridge holder and the connector. The drug delivery device may be a reusable drug delivery device or a disposable drug delivery device.

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.

A portable pen-type drug injection device (300) comprises a main portion (301) and a clip (360). The clip comprises a base portion mounted to a portion of the drug delivery device, and a clip gripping portion with a free end. The device further comprises drug expelling means having dose setting means (340) allowing a user to set a dose of drug to be expelled, and a piston rod adapted to move a piston of a loaded cartridge in a distal direction to thereby expel drug from the cartridge. Electronic circuitry comprises sensor means adapted to detect a set and/or an expelled dose, and a display (374) is provided to display dose-related values, wherein at least a portion of the display is arranged in the flexible clip main portion.

A resettable and reusable auto-injector with a trigger having a pivot axis dividing an elongate body into distal and proximal portions. The proximal portion has a finger surface on an upper section and a bearing surface projecting downwardly configured to engage a button blocker to function as a safety feature to prevent premature firing of the auto-injector before a needle hider is pressed against an injection site.

A pharmaceutical cartridge holding unit holds a pharmaceutical cartridge and is mounted to a pharmaceutical injection device main body in order to mount the pharmaceutical cartridge to a pharmaceutical injection device. The pharmaceutical cartridge holding unit comprises an outer peripheral cap having a distal end opening and a rear end opening, and a cartridge cover that is disposed on the inside of the outer peripheral cap and is held in a state of being able to slide forward and backward with respect to the outer peripheral cap. The outer peripheral cap has a guide component that guides the sliding of the cartridge cover forward and backward, stoppers that prevent the cartridge cover from coming loose from the outer peripheral cap, and protrusions that can engage with the pharmaceutical injection device main body.