The present invention relates to a medicament delivery device comprising a generally tubular distal housing part (10; 110) having opposite proximal and distal ends, wherein third mechanically coded interface means (11; 111) are arranged on its proximal end; a generally tubular proximal housing (20; 120) part having opposite proximal and distal ends and being releasibly connected to said distal housing part, wherein with fourth mechanically coded interface means (22; 122) are arranged on its distal end; a medicament container having a slidable stopper, wherein said container is arranged to be positioned within said proximal housing part; a plunger rod (60; 160) arranged within said distal housing; drive means arranged within said distal housing and being operably connected to said plunger rod for driving said plunger rod and thereby said stopper towards the proximal end of the device; wherein said device further comprises an interface member (50; 150) comprising first (51; 151) and second (52; 152) mechanically coded interface means arranged to match and interact with the third (11; 111) and the fourth (22; 122) mechanically coded interface means when the distal and the proximal housing parts are connected to each other.

Implementations of the present disclosure are directed to an injection device including: a reservoir including a wall defining a proximal end, a distal end and a tubular side, a plunger rod configured to be movable within the reservoir in a direction from the distal end to the proximal end, a radio frequency (RF) antenna attached to the tubular side and configured to receive an interrogation signal from an external device, and a resonating assembly configured to receive the interrogation signal from the RF antenna and to generate a modulated RF signal having a frequency associated with a position of the plunger rod.

The present disclosure relates to a monitoring unit for a medicament delivery device, where the monitoring unit has a monitoring circuit arranged in the housing that is capable of detecting and monitoring functions of the medicament delivery device. The monitoring device also has an attachment mechanism provided arranged with releasable locking elements, a mechanical interface arranged to interact with a mating mechanical interface arranged on a medicament delivery device, and an activation switch arranged to activate said monitoring circuit.

The present disclosure relates to a touch sensitive label for an injection device, the label comprising: —a flexible substrate (101) configured for attachment to a housing (10) of the injection device (1), —an electronic display (110) located on the substrate (101) and configured to visually display at least one indication (111), —a touch sensitive area (120) located on the substrate (101) and electrically connectable to the electronic display (110), —a processor (140) connected to the electronic display (110) and configured to modify the visual appearance of the at least one indication (111) in response to a user touching or depressing the touch sensitive area (120).

Implementations of the present disclosure are directed to an injection device including: a reservoir including a wall defining a proximal end, a distal end and a tubular side, a plunger rod configured to be movable within the reservoir in a direction from the distal end to the proximal end, a radio frequency (RF) antenna attached to the tubular side and configured to receive an interrogation signal from an external device, and a resonating assembly configured to receive the interrogation signal from the RF antenna and to generate a modulated RF signal having a frequency associated with a position of the plunger rod.

An apparatus for discharging a dose of a fluid substance to an animal, the apparatus including: a delivery assembly adapted to discharge the dose of the substance to the animal; and a control system operatively associated with the delivery assembly so as to selectively operate the delivery assembly, wherein the control system is adapted to measure the discharge of the fluid substance from the delivery assembly such that the dose is discharged when the delivery assembly is operated.

The present invention relates to a medicament delivery device for delivering a number of predetermined amounts of medicament, comprising a body having a proximal and an opposite distal end and extending along a longitudinal axis (L); a medicament container (20) arranged inside said body; a driving mechanism arranged inside said body and configured to act on said medicament container; a manually movable activation member (102) arranged on the distal end the body; a biased actuator member (64) arranged to be movable along the longitudinal axis and through the manually movable activation member (102), said biased actuator member being configured to protrude a predetermined distance from the distal end of the manually movable activation member and configured to interact with said driving mechanism when the biased actuator member is displaced said predetermined distance towards the proximal end of the body for delivering a predetermined amount of medicament; and an actuator guide member (90) arranged in the body and configured to interact with the manually movable activation member (102) and with the biased actuator member (64) such that said actuator guide member (90) can be held in a position within the body and released from said position after a predetermined amount of medicament is delivered; wherein the actuator guide member (90) comprises at least one second guide element (92) adapted to interact with blocking surfaces in at least one group of guide surfaces (76) arranged on the outer circumferential surface of the biased actuator member (64) if said biased actuator member is operated towards the proximal end of the body during displacement of the biased actuator member (64) from the distal end of the manually movable activation member or if said biased actuator member is released during displacement of the biased actuator member (64) towards the proximal end of the body.

An injection device for setting and injecting a dose of a medicament comprises a housing) extending along an axial direction (z), a dose setting mechanism arranged in the housing, a dose dial displaceable relative to the housing for setting of the dose, a dose tracker (50; 150) operably connectable to the dose dial (12), the dose tracker is at least one of translationally or rotationally displaceable relative to the housing during setting of a dose, wherein a positional state of the dose tracker relative to the housing is indicative of a size of the dose, and a preselector configured to define a maximum dose positional state of the dose tracker relative to the housing, and a first marker provided on one of the dose tracker and the preselector and configured to indicate the positional state of the dose tracker relative to the preselector.

A auto-injector device having a housing (212, 214), a cartridge for containing a medicament, a first needle tip (230) arranged to penetrate said cartridge, a second needle tip (230) for injecting said medicament into a target, said first and second needle tips being in fluid communication, a plunger rod (242) to move said cartridge so as to be pierced by said first needle tip, said plunger rod (242) having a recess (270) in an end thereof, the improvement comprising a battery (258), a printed circuit board (250) electrically communicating with said battery, an electrically conductive element (274) having a first end in electric communication with said battery (258) and printed circuit board (250), a second end within said recess (270) in said plunger rod (242), said second end being electrically insulated, a coil spring (246) surrounding said electrically conductive element and being spaced therefrom, the arrangement being such that when said plunger rod (242) is activated, said second end of said electrically conductive element is released from said recess (270) in said plunger rod (242) and contacts said coil spring (246) to complete an electric circuit.

According to an embodiment, a cartridge driving module comprises a motor and a shaft extending along a rotational axis of the motor, a power transmission screwed to the shaft and moving forward when the shaft rotates in a forward direction and moving back when the shaft rotates in a backward direction, a pusher connected to the power transmission and exerting a pressure to a medicine cartridge containing a medicine when the power transmission moves forward, and a position maintaining unit exerting an external force to the power transmission in a direction along which the power transmission moves forward, when the power transmission moves back up to a predetermined stop position.