Abstract: The present disclosure relates to medicament injection devices. An injection device includes: a movable dosage programming component comprising a rotary encoder system having a predefined angular periodicity, a sensor arrangement including a first optical sensor configured to detect movement of the movable dosage programming component relative to the sensor arrangement during dosing of a medicament, wherein the first optical sensor is configured to operate in a strobe-sampling mode at a first frequency, a second optical sensor configured to detect movement of the rotary encoder system relative to the second optical sensor wherein the second optical sensor is configured to operate in a strobe-sampling mode at a second frequency lower than the first frequency, and a processor arrangement configured to, based on the detected movement, determine a medicament dosage administered by the injection device.

Abstract: A dose counting system of an injection device or of a module configured to be used with or applied to an injection device is described. The dose counting system includes a sensor arrangement including a first sensor configured to output a first signal and a second sensor configured to output a second signal; and a processor configured to: detect a peak in the first signal when the first signal has increased by at least a predefined up threshold and the first signal exceeds the value of the second signal by more than a predetermined crossover threshold; determine that a unit of medicament has been administered when the first signal drops from the peak by more than a predefined down threshold and the preceding peak occurred in the second signal; and determine a medicament dosage administered by the injection device by counting the administered units of medicament.

Abstract: An electronic system for a drug delivery device is provided, the electronic system comprising at least one user interface member configured to be manipulated by a user for performing a dose operation, e.g.

Abstract: A drug delivery system for injecting a medicament includes a housing, a container configured to receive a medicament including a stopper configured to move within the container and a closure, a needle in fluid communication with the container, a spacer configured to be engaged with the stopper, a first plunger, a first spring configured to bias the first plunger in an axial direction, second plunger disposed about the first plunger, a second spring configured to bias the second plunger in an axial direction. The first plunger is configured to move the spacer and the container relative to the housing via the first spring to establish fluid communication between the container and the patient needle, and the second plunger is configured to move the spacer and the stopper relative to the container via the second spring.

Abstract: The present disclosure relates to a sensor electrode system for an electronic system. The sensor electrode system includes: a flexible conductor carrier which is electrically insulating; and an electrode arrangement. The electrode arrangement includes at least two electrically conductive electrode tracks. The electrically conductive electrode tracks extend along the flexible conductor carrier. The electrically conductive electrode tracks are electrically separated from one another along the conductor carrier. One of the electrically conductive electrode tracks forms a sensing electrode, and the sensing electrode extends in a sensing region of the flexible conductor carrier. Furthermore, an electronic system, a drug delivery device and a method are disclosed.

Abstract: A needle actuator assembly for a drug delivery system includes a housing, a needle having retracted and extended positions, a needle actuator body received within the housing and configured to move from a pre-use position where the needle is in the retracted position to a use position where the needle is in the extended position and to a post-use position where the needle is in the retracted position, with the needle actuator having a button contact surface, and an actuator button received by the housing.

Abstract: The present disclosure relates to medicament injection devices. An injection device includes: a movable dosage programming component comprising a rotary encoder system having a predefined angular periodicity, a sensor arrangement including a first optical sensor configured to detect movement of the movable dosage programming component relative to the sensor arrangement during dosing of a medicament, wherein the first optical sensor is configured to operate in a strobe-sampling mode at a first frequency, a second optical sensor configured to detect movement of the rotary encoder system relative to the second optical sensor wherein the second optical sensor is configured to operate in a strobe-sampling mode at a second frequency lower than the first frequency, and a processor arrangement configured to, based on the detected movement, determine a medicament dosage administered by the injection device.

Abstract: A drug delivery system for injecting a medicament includes a housing, a container configured to receive a medicament including a stopper configured to move within the container and a closure, a needle in fluid communication with the container, a spacer configured to be engaged with the stopper, a first plunger, a first spring configured to bias the first plunger in an axial direction, second plunger disposed about the first plunger, a second spring configured to bias the second plunger in an axial direction. The first plunger is configured to move the spacer and the container relative to the housing via the first spring to establish fluid communication between the container and the patient needle, and the second plunger is configured to move the spacer and the stopper relative to the container via the second spring.

Abstract: An electronic system for a drug delivery device includes a user interface member configured for manipulation by a user to perform a dose operation. An electronic control unit is configured to control operation of the electronic system. The electronic system has a first state and a second state that has an increased electrical power consumption as compared to the first state. An electrical signaling unit is configured to provide an electrical signal indicative that the user interface member is being manipulated and to switch the electronic system from the first state into the second state in response to the electrical signal. The user interface member comprises a first portion that is movable relative to a second portion from a rest position to a signaling position. The signaling unit is configured to provide the electrical signal in response to the movement of the first portion relative to the second portion.

Abstract: The present disclosure relates to medicament injection devices. An injection device includes: a movable dosage programming component comprising a rotary encoder system having a predefined angular periodicity, a sensor arrangement including a first optical sensor configured to detect movement of the movable dosage programming component relative to the sensor arrangement during dosing of a medicament, wherein the first optical sensor is configured to operate in a strobe-sampling mode at a first frequency, a second optical sensor configured to detect movement of the rotary encoder system relative to the second optical sensor wherein the second optical sensor is configured to operate in a strobe-sampling mode at a second frequency lower than the first frequency, and a processor arrangement configured to, based on the detected movement, determine a medicament dosage administered by the injection device.

Abstract: An electronic system comprising: at least one user interface member configured to be manipulated by a user for performing a dose setting operation of the drug delivery device and/or for performing a dose delivery operation for delivering a set dose, an electronic control unit configured to control operation of the electronic system, an electrical signaling unit configured to provide at least one electrical signal when the user interface member is manipulated, and a manipulation evaluation unit configured to evaluate the at least one electrical signal of the signaling unit to determine whether the manipulation of the user interface member indicated by the at least one signal of the signaling unit qualifies as an activation operation. The electronic control unit is configured to switch the electronic system into a higher power consumption when the manipulation evaluation unit has confirmed that the manipulation qualifies as activation operation.

Abstract: A drug delivery system for injecting a medicament is provided. The system includes a container configured to receive a medicament; a drive assembly which, upon actuation, is configured to expel the medicament from the container; a needle for injecting the medicament to a patient; a fluid path assembly comprising a tube in fluid communication with the container and the needle for conducting fluid from the container to the needle; and a tube crimping arrangement configured to engage the tube to block fluid flow through the tube. The drive assembly causes the tube crimping arrangement to engage the tube after a dose of the medicament has been delivered to the patient through the needle.

Abstract: An electronic system for a drug delivery device is provided. The electronic system comprises: at least one user interface member, which is arranged to be manipulated by a user of the drug delivery device, and an electrical user proximity detection unit. The user interface member has an exterior operation surface arranged and configured to be touched by a user of the drug delivery device during operation of the drug delivery device. The electrical user proximity detection unit is configured to generate a signal when the user is close to or touches the exterior operation surface.

Abstract: A drug delivery device comprises a dose setting and driving assembly for dialing and dispensing a dose of a medicament from a cartridge of the drug delivery device. The dose setting and driving assembly includes an outer housing, a number sleeve and a dose dial grip. The number sleeve and the dose dial grip are rotatable relative to the outer housing during dose dialing. The number sleeve is rotatable relative to the outer housing during dose dispensing. The dose dial grip is axially displaceable and rotationally constrained to the outer housing during dose dispensing. The dose dial grip comprises an outer skirt partially protruding out of the outer housing and comprising a profiled gripping surface at the proximal end of the dose dial grip.

Abstract: A needle actuator assembly for a drug delivery system includes a needle actuator body having a guide surface, a needle shuttle having a cam surface, with the needle shuttle moveable along a vertical axis between a first position and a second position. The needle shuttle is configured to move between the first and second position through engagement between the guide surface of the needle actuator body and the cam surface of the needle shuttle. The assembly further including a needle received by the needle shuttle.

Abstract: An optical guiding device configured for application with a drug delivery device is described. The drug delivery device has (i) a movable dosage programming component including a rotary encoder system and (ii) a sensor arrangement including at least one optical sensor. The at least one optical sensor is configured to detect movement of the movable dosage programming component relative to the sensor arrangement during dosing of a drug by emitting radiation and detecting at least one reflections the emitted radiation from the rotary encoder system. The optical guiding device is configured for guiding the radiation and the at least one reflection of the emitted radiation and includes at least one light pipe having the shape of a frustum with a sensor-side surface and a encoder-side surface.

Abstract: A supplemental device is configured to be coupled to an injection device. The supplemental device comprises a sensor arrangement and a processor arrangement. The processor arrangement is configured to cause the supplemental device to use the sensor arrangement to sense an identification feature of the injection device and to determine a type of the injection device based on the sensed identification feature.

Abstract: An electronic module for releasable attachment to a drug delivery device is disclosed. The module may comprise at least one module lockout form adapted for mating abutment with a corresponding device lockout form of the drug delivery device. The module may comprise at least one attachment element for releasable attachment of the module on the drug delivery device. The module may comprise at least one light pipe for guiding a light beam from a light source to a reflective surface of the drug delivery device and from the reflective surface to a light detector sensor. The module may comprise at least one light guide for guiding a light beam from a light source to a user feedback surface adapted to emit light. The module may comprise at least one elastically deformable switch arm. The component may be a unitary component part injection molded from a polycarbonate material.

Abstract: A needle actuator assembly for a drug delivery system includes a needle actuator body having a guide surface, a needle shuttle having a cam surface, with the needle shuttle moveable along a vertical axis between a first position and a second position. The needle shuttle is configured to move between the first and second position through engagement between the guide surface of the needle actuator body and the cam surface of the needle shuttle. The assembly further including a needle received by the needle shuttle.

Abstract: The present disclosure relates to medicament injection devices. An injection device includes: a movable dosage programming component comprising a rotary encoder system having a predefined angular periodicity, a sensor arrangement including a first optical sensor configured to detect movement of the movable dosage programming component relative to the sensor arrangement during dosing of a medicament, wherein the first optical sensor is configured to operate in a strobe-sampling mode at a first frequency, a second optical sensor configured to detect movement of the rotary encoder system relative to the second optical sensor wherein the second optical sensor is configured to operate in a strobe-sampling mode at a second frequency lower than the first frequency, and a processor arrangement configured to, based on the detected movement, determine a medicament dosage administered by the injection device.