Abstract: A coding system for a drug reservoir, where the drug reservoir is intended for use with a reservoir holder of a drug delivery device. The coding system includes a collar fitted around the drug reservoir. The collar includes a coding feature that is configured to pass through a corresponding coding feature provided by the reservoir holder of the drug delivery device.

Abstract: A method and system for detecting a limit of use of a medical device is disclosed. The method includes starting a timer of a medical device when said medical device is used for the first time, detecting the limit of use of the medical device and indicating the limit of use of the medical device. The limit of use is reached when at least one of a first criterion and a second criterion is met, wherein the first criterion is that the timer reaches or exceeds a time limit and wherein the second criterion is that at least one operation of a drive train of said medical device reaches or exceeds a limit.

Abstract: A drive assembly for a drug delivery system including a plunger member configured to engage and move a stopper within a container, a biasing member configured to move the plunger member, and an adjustable spacer assembly positioned between the plunger member and the stopper. The spacer assembly includes a spacer element attached to the stopper and at least one shim or includes a spacer element and a holder to which the spacer element is attached. The holder may be attached to the stopper and the spacer element may be attached to the holder by a threaded engagement. Also, a drug delivery system for injecting a medicament, the system including a container configured to receive a medicament, the container comprising a stopper configured to move within the container and a closure, a drive assembly as described above, and a needle actuator assembly.

Abstract: A drive assembly for a drug delivery system including a plunger member configured to engage and move a stopper within a container, a biasing member configured to move the plunger member, and an adjustable spacer assembly positioned between the plunger member and the stopper. The spacer assembly includes a spacer element attached to the stopper and at least one shim or includes a spacer element and a holder to which the spacer element is attached. The holder may be attached to the stopper and the spacer element may be attached to the holder by a threaded engagement. Also, a drug delivery system for injecting a medicament, the system including a container configured to receive a medicament, the container comprising a stopper configured to move within the container and a closure, a drive assembly as described above, and a needle actuator assembly.

Abstract: A sensor device removably attachable to a drug delivery device includes a sensing arrangement arranged within the sensor device and circuitry configured to process signals provided by the sensing arrangement. The sensing arrangement is configured such that, when the sensor device is attached to the drug delivery device, the sensing arrangement is operable to read encoded information present on a rotatable component internal to the drug delivery device and that is able to be sensed through a window or aperture of the drug delivery device, and is operable to sense through the window or aperture at least a part of a drive mechanism of the drug delivery device. The circuitry is configured to determine information relating to a set dose, and to determine information relating to whether the drug delivery device is in a dose setting mode or whether the device is in a dose delivery mode.

Abstract: A sensor device removably attachable to a drug delivery device includes a sensing arrangement arranged within the sensor device and circuitry configured to process signals provided by the sensing arrangement. The sensing arrangement is configured such that, when the sensor device is attached to the drug delivery device, the sensing arrangement is operable to read encoded information present on a rotatable component internal to the drug delivery device and that is able to be sensed through a window or aperture of the drug delivery device, and is operable to sense through the window or aperture at least a part of a drive mechanism of the drug delivery device. The circuitry is configured to determine information relating to a set dose, and to determine information relating to whether the drug delivery device is in a dose setting mode or whether the device is in a dose delivery mode.

Abstract: A method and system for detecting a limit of use of a medical device is disclosed. The method includes starting a timer of a medical device when said medical device is used for the first time, detecting the limit of use of the medical device and indicating the limit of use of the medical device. The limit of use is reached when at least one of a first criterion and a second criterion is met, wherein the first criterion is that the timer reaches or exceeds a time limit and wherein the second criterion is that at least one operation of a drive train of said medical device reaches or exceeds a limit.

Abstract: A method and system for detecting a limit of use of a medical device is disclosed. The method includes starting a timer of a medical device when said medical device is used for the first time, detecting the limit of use of the medical device and indicating the limit of use of the medical device. The limit of use is reached when at least one of a first criterion and a second criterion is met, wherein the first criterion is that the timer reaches or exceeds a time limit and wherein the second criterion is that at least one operation of a drive train of said medical device reaches or exceeds a limit.

Abstract: The present disclosure is directed to a spring arrangement for use in a drug delivery device and a drug delivery device including such a spring arrangement. The spring arrangement includes a clutch spring which is located axially interposed between a stationary housing component and an axially movable sleeve. The sleeve includes clutch features adapted to engage corresponding clutch features of a clutch element. The clutch spring biases the clutch features and the corresponding clutch features into engagement. The sleeve is coupled to a button such that upon actuation of the button the sleeve is translated against the bias of the clutch spring from a proximal position in which the sleeve is rotationally locked to the housing component into a distal position in which the sleeve is rotationally un-locked from the housing component. Upon release of the button the clutch spring translates the sleeve and the button into the proximal position.

Abstract: A coded collapsible drug reservoir and a drug delivery system including the coded collapsible drug reservoir. The drug reservoir includes a collapsible housing and a port in communication with the collapsible housing. The drug reservoir further includes a coding feature disposed on the drug reservoir, and the coding feature identifies the drug reservoir.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament. The device comprises a housing and at least two separate component parts, wherein for example at least one of these component parts performs a movement relative to the housing during dose setting and for example at least one of these component parts performs a movement relative to the housing during dose dispensing, and wherein the relative movement of the at least two separate component parts with respect to each other during dose setting differs from the relative movement of the at least two separate component parts with respect to each other during dose dispensing.

Abstract: A method and system for detecting a limit of use of a medical device is disclosed. The method includes starting a timer of a medical device when the medical device is used for the first time, detecting the limit of use of the medical device and indicating the limit of use of the medical device. The limit of use is reached when at least one of a first criterion and a second criterion is met, wherein the first criterion is that the timer reaches or exceeds a time limit and wherein the second criterion is that at least one operation of a drive train of said medical device reaches or exceeds a limit.

Abstract: A coded cartridge holder for use with a drug delivery device is provided. The cartridge holder includes a fastener that becomes operative based in part on a length of a cartridge or a diameter of the cartridge. In one embodiment, the cartridge holder is coupled to the drug delivery device. The cartridge holder comprises a first blocking feature. The drug delivery device includes a cartridge detector comprising a second blocking feature. This feature may be a pin, for engagement with the first blocking feature of the cartridge holder when the cartridge acts on the cartridge detector. The cartridge holder may further include a fastening mechanism configured to fasten the cartridge holder to the drug delivery device only when the second blocking feature engages the first blocking feature.

Abstract: This disclosure refers to a dosing mechanism for use in a drug delivery device implementing a dialing mode and a dispensing mode, wherein the dosing mechanism comprises a dose button, a housing and a determination unit. The dose button is activatable by the user for dose dispense, causing displacement of an indicating element connected to the housing from a first position to a second position. The determination unit is adapted such that it detects the indicating element in its second position and thereby determines that the dosing mechanism is in the dispensing mode. With some embodiments, it is possible to distinguish between the dialing mode and the dispensing mode. Some embodiments further refer to a drug delivery device comprising the above dosing mechanism.

Abstract: A dose setting mechanism comprising a first element and a second element; the first element being moveable with respect to the second element; the first element and the second element being coupled by a ratchet mechanism allowing motion of the first element with respect to the second element from a first position to a second position only in a first direction while preventing motion in a second direction that is opposite to the first direction; once passing the second position, the first element being moveable with respect to the second element in the first direction and in the second direction.

Abstract: A sensor device removably attachable to a drug delivery device includes a sensing arrangement arranged within the sensor device and circuitry configured to process signals provided by the sensing arrangement. The sensing arrangement is configured such that, when the sensor device is attached to the drug delivery device, the sensing arrangement is operable to read encoded information present on a rotatable component internal to the drug delivery device and that is able to be sensed through a window or aperture of the drug delivery device, and is operable to sense through the window or aperture at least a part of a drive mechanism of the drug delivery device. The circuitry is configured to determine information relating to a set dose, and to determine information relating to whether the drug delivery device is in a dose setting mode or whether the device is in a dose delivery mode.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament. The device comprises a housing, a dose selector operable to set a dose by rotation relative to the housing, a number sleeve arranged within the housing, a drive sleeve which is rotationally constrained to the housing during dose setting and dose correcting and which is rotatable relative to the housing during dose dispensing, a piston rod coupled to the housing and to the drive sleeve a drive spring arranged between the housing and the number sleeve, and a ratchet operatively arranged between the drive sleeve and the number sleeve. According to the disclosure the ratchet comprises at least one clicker arm of one of the number sleeve and the drive sleeve and ratchet teeth of the other of the number sleeve and the drive sleeve.

Abstract: A sensor device removably attachable to a drug delivery device includes a sensing arrangement arranged within the sensor device and circuitry configured to process signals provided by the sensing arrangement. The sensing arrangement is configured such that, when the sensor device is attached to the drug delivery device, the sensing arrangement is operable to read encoded information present on a rotatable component internal to the drug delivery device and that is able to be sensed through a window or aperture of the drug delivery device, and is operable to sense through the window or aperture at least a part of a drive mechanism of the drug delivery device. The circuitry is configured to determine information relating to a set dose, and to determine information relating to whether the drug delivery device is in a dose setting mode or whether the device is in a dose delivery mode.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament and to a non-numerical display for such a device. The display comprises a housing with at least one window, a dosing element movable relative to the housing during dose setting and/or dose dispensing, and a movable indicator element visible through the at least one window The indicator element is coupled to the dosing element and/or to the housing such that it moves not proportional to the dosing element.

Abstract: The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament. The device comprises a housing (10), a dose selector (80) operable to set a dose by rotation relative to the housing (10), a number sleeve (60) arranged within the housing (10) such that at least a portion of the number sleeve (60) is visible through a first aperture (11b) in the housing (10), and a piston rod (30) coupled to the housing (10) and to a drive sleeve (40). Rotation of the drive sleeve (40) relative to the housing (10) causes the piston rod (30) to translate relative to the housing (10). The piston rod (30) is coupled to the housing (10) via a threaded interface (16, 31) with at least two different pitches.