Abstract: A data collection device comprises at least two optical sensors configured to detect tick marks of a medicament dose indicator of the medicament delivery device in their respective detection areas, and a processing arrangement configured to determine a current medicament dosage programmed into said medicament delivery device based on a count of the tick marks that pass through the detection areas of the optical sensors during programming of said medicament dosage into said medicament delivery device. A direction of travel of the tick marks may be identified, to determine whether the programmed dosage is increasing or decreasing. The apparatus may be arranged to identify a baseline dosage amount using a camera image of the medicament dosage indicator, so that a starting point for the count of tick marks can be determined. The medicament delivery device may be an injector pen.

Abstract: A pen cap for a medication delivery pen includes a piston-style detector mechanism. The piston-style detector mechanism includes at least an inner shell having first open end through which the medication delivery pen can be inserted, a second end opposite the first end, a sidewall defined by an outer surface and an opposing inner surface, and a passageway extending from the outer surface to the inner surface. The sidewall extends between the first end and the second end thereby defining a pen-receiving cavity there between. The piston-style detector mechanism further includes at least one switch and a translatable shaft at least partially disposed in the passage. The translatable shaft includes a body that extends at least from a pen-interfacing portion in the pen-receiving cavity to a switch-interfacing portion thereof.

Abstract: A device for accommodating and magnetizing a tissue-penetrating medical device of various lengths, with or without a cover covering a portion or the entirety of the tissue-penetrating medical device, is disclosed including a sleeve member having an open proximal end, a distal end, an inner surface, an outer surface having a graduated injection depth gauge to indicate needle penetration depth when the cover is placed into a magnetizer, and a hollow body extending between the proximal end and the distal end to form a protective closure over a shaft of a tissue-penetrating medical device. A device having one or more magnetizing elements sectioned into a plurality of movable segments pivoting around an axis to accommodate needles with different lengths is also disclosed. Also disclosed is a device having one or more magnetizing means mounted on a movable element to magnetize needles of various lengths.

Abstract: A system may include a flow sensor and a base. The flow sensor may be configured to connect to the base. The flow sensor may include a flow tube including a fluid inlet at a first end of the flow tube, a fluid outlet at a second end of the flow tube opposite the first end of the flow tube, and a fluid injection port between the first end and the second end of the flow tube. The base may include a short range wireless communication device including a curved coil antenna.

Abstract: An autoinjector may include a disposable portion and a reusable portion. The disposable portion may include a syringe and a syringe coupling. The syringe coupling may be coupled to the syringe, and may comprise a guide track. The reusable portion may include a device housing, a device actuator configured to initiate an injection of the autoinjector, and a motor coupled to the device actuator. The reusable portion may additionally include a motor foot coupled to an output of the motor, wherein the motor foot may be configured to translate in an axial direction. The reusable portion may also include a drive coupling disposed within the device housing. The drive coupling may include an angled surface configured to receive the motor foot and a protrusion configured to engage with the guide track of the syringe coupling to lock the drive coupling to the syringe coupling.

Abstract: The present disclosure relates to an administration mechanism for a medicament delivery device having a movable sleeve, and a delivery member cover having a distal end portion configured to receive the movable sleeve. The delivery member being configured to be linearly displaceable between a first position and a second position relative to the movable sleeve, wherein the distal end portion has an end face defining a guide surface and the movable sleeve has a radially outwards extending first follower structure configured to cooperate with the guide surface when the delivery member cover is moved from the first position towards the second position, causing the movable sleeve to rotate.

Abstract: An identifier is provided to a medical device such as a syringe to uniquely identify the medical device. For a syringe, the unique identifier may be in the form of a bar code printed onto the thumb press, stem, or both at the plunger of the syringe. The bar code may be a 2-dimensional bar code or a 1-dimensional bar code. Alternatively, an RFID tag may be attached to the plunger, for example fitted to or embedded into the thumb press. The unique identifier provides, at minimum, the manufacturing data unique to the syringe so that the history of the syringe may be readily traced and associated with the medical records of the patient the syringe is used for.

Abstract: A medicine dispensing device and system for administering a selected drug. The medicine dispensing device includes a vessel configured to retain a drug to be dispensed. The medicine dispensing device may comprise a first series of zones of varying widths on a surface of the vessel, with each zone of the first series of zones corresponding to a pre-determined dose of the drug for a first medical condition wherein the first series of zones are correlated to a first series of values of a physical characteristic of a patient; and a second series of zones of varying widths on the surface of the vessel, with each zone of the second series of zones corresponding to a pre-determined dose of the drug for a second medical condition wherein the second series of zones are correlated to a second series of values of the physical characteristic of a patient.

Abstract: A method of delivering epinephrine includes placing a distal end surface of a medical injector into contact with a target location of a patient. The medical injector includes a housing, an energy storage member, and a medicament container containing a dose of epinephrine effective for administration to the patient experiencing anaphylaxis and having a weight of less than 15 kg. The medicament container is coupled to a needle. The medical injector is actuated such that the energy storage member produces a force to move the needle from a first needle position to a second needle position. A distal tip of the needle extends from the distal end surface by a distance of between 7 millimeters and 8 millimeters when the needle is in the second needle position. A portion of the force is exerted to expel the dose of epinephrine when the needle is in the second position.

Abstract: A drug injection device comprising: a cartridge configured to hold a volume of a drug; one or more processors configured to operate in at least an enabled state and a sleep state, wherein the one or more processors are configured to control an operation of the drug injection device while the one or more processors are in the enabled state; a member disposed in the cartridge, the member including at least two conductive surfaces electrically connected to the one or more processors; and a drive mechanism including a conductive element spaced from the at least two conductive surfaces, wherein the one or more processors are configured to enter the enabled state from the sleep state when the conductive element makes electrical contact with the at least two conductive surfaces.

Abstract: An injection device comprises an injector body having at least one indicator aperture; a medicament reservoir disposed within the injector body; a piston; and one or more status indicators. A movement of the piston expels a medicament out of the medicament reservoir, and operates to move at least one of the one or more status indicators relative to a corresponding indicator aperture.

Abstract: The present invention relates to a system for obtaining medicament related information of specific medicaments, the in system comprising a device (10, 50) for obtaining medicament related information, the device comprising a recording unit, said recording unit comprising a reader (20, 32; 86, 88, 92, 122), capable of reading information pertained to specific medicaments, said recording unit further comprising a memory module (22, 104) capable of storing information read by said reader (20, 32; 86, 88, 92, 122), wherein said reader (20, 32; 86, 88, 92, 122) is arranged with a three-dimensional contact interface (81) designed to interact with a corresponding contact surface (87) containing information related to specific medicaments.

Abstract: A liquid delivery system cap device is provided. In some embodiments, an example cap device includes a body defining a cavity configured to receive at least a portion of a liquid delivery device, and a sensor carriage movable within the cavity and including a first sensor. The sensor carriage may be movable between a first position and a second position relative to the cavity while the liquid delivery device is in a fixed positon relative to the cavity.

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 syringe system, including a plunger, a microcontroller, a battery, and a coil. The syringe barrel having a proximal end, a distal end, and a cylindrical sidewall defining a longitudinal axis, the cylindrical sidewall extending longitudinally between the proximal and distal ends, the sidewall having an exterior surface and defining an internal volume, the plunger being positioned between the proximal and distal ends of the syringe barrel and being movable within the internal volume with respect to the syringe barrel in the longitudinal direction. The syringe barrel further includes a label disposed on the sidewall and having at least two conductive strips extending in a non-parallel direction with respect to the longitudinal axis and having unique lengths. The microcontroller is configured to determine a position of the plunger with respect to the syringe barrel by measuring a current induced in the coil by the at least two conductive strips.

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 device for training users in a proper mixing of pharmaceutical components, or for aiding in the mixing, or for performing the mixing, and administration of pharmaceutical components is disclosed. The device comprises a housing for receiving a pharmaceutical delivery device containing the pharmaceutical components. There is also a microcontroller disposed in the housing and a motion/orientation detection device disposed within or on the housing and in communication with the microcontroller. A method for use of the device is also disclosed, along with a substance for use as one of the pharmaceutical components.

Abstract: The disclosure relates to a drug delivery device including: a housing configured to contain a drug container with a needle, a needle shroud that is telescopically connected to the housing, and a cap that is configured to be releasably connected to the housing before use of the device. At least one of the cap and the needle shroud is adapted to unreleasably lock the cap onto the housing after reapplying the cap onto the housing after the drug delivery device is used.

Abstract: A medicant injection device includes a compressible body, a tip, and an outer luer body. The compressible body has a proximal end, a distal end, and a plurality of bellows, and defines an inner cavity for holding a liquid medicant. The tip is positioned at the proximal end of the compressible body. The outer luer body includes internal threads, and is positioned over and engaged with the tip to form a first fitting therewith. The first fitting is configured to be connected with a second fitting. A medicant injection device includes a compressible body having first and second arms, a receptacle interconnected with the compressible body and defining an inner cavity, and a first fitting configured to engage a second fitting. The compressible body is configured to be compressed by forcing the distal end of the first and second arm toward each other.

Abstract: The present disclosure pertains to methods for preparing a prefilled syringe and methods for preparing an auto injector prefilled syringe comprising aflibercept and methods for producing such aflibercept in chemically defined media.

Abstract: A mounting aid for attaching a supplementary device to an injection device, wherein the injection device has an elongated housing extending in an axial direction, the mounting aid comprising a body extending in the axial direction, configured to receive at least a portion of the housing and having at least one radially extending engaging member to engage with a correspondingly shaped engaging member of the housing when in a specific position relative to the housing, and wherein the body comprises a side wall with an abutment face facing in a proximal direction, wherein the abutment face is defined on a plane that is inclined to the axial direction.

Abstract: The present disclosure provides a reading device adapted to read-out infrared readable data provided by a covered part of a movable component of a drug delivery device, wherein the reading device comprises at least one electromagnetic radiation source configured to emit infrared radiation and adapted to illuminate the infrared readable data on the covered part; at least one optical sensor unit configured to detect infrared radiation reflected from the covered part of the movable component; and at least one processing unit configured to determine a data value of the infrared readable data as a function of the detected reflected infrared radiation. The disclosure further provides a drug delivery device and a drug delivery device in combination with the reading device.

Abstract: An injection device includes a cartridge configured to hold a volume of fluid, the cartridge having a proximal end and a distal end through which the fluid is dispensed; a stopper disposed in the cartridge and configured to move from the proximal end toward the distal end to cause the fluid to be dispensed through the distal end of the cartridge; and an electronic device disposed at the distal end of the cartridge, the electronic device including an emitter configured to transmit a signal toward the stopper, a receiver configured to receive reflections of the signal from the stopper, and a controller configured to wirelessly transmit data related to a position of the stopper in the cartridge.

Abstract: Devices, systems and methods for controlling a patient's body temperature by endovascular heat exchange and/or surface heat exchange.

Abstract: An injection device comprising a housing (12) and a dose selector (16) to set a dose of medicament to be ejected from the injection device. A spring (20) coupled to the dose selector stores energy necessary for ejecting the dose from the injection device. A ratchet (25) arrangement is provided to rotationally couple a ratchet component and an internal surface of the housing in a coupled state and to allow relative rotation between the ratchet component and the internal surface of the housing in an uncoupled state. An over-torque feature (27) located between the dose selector and the spring is actuatable, when the rotation of the dose selector causes the charging force to exceed a defined limit, to reduce the charging force transferred from the dose selector to the spring. Both the ratchet component and the over-torque feature are provided on a single component (28).

Abstract: A geared drive arrangement comprises a stationary portion and a drive rod defining a reference axis and during operation being arranged to rotate and be moved axially corresponding to the reference axis, the drive rod comprising a first thread and a second thread. The drive arrangement further comprises a drive member comprising a drive thread in engagement with the drive rod first thread, and a nut portion comprising a propulsion thread arranged rotationally locked relative to the stationary portion and in engagement with the drive rod second thread. The drive member is arranged to rotate corresponding to the reference axis during operation, with the threaded engagement between the drive member and the drive rod causing the drive rod to rotate, and the threaded engagement between the nut portion and the drive rod causing the drive rod to move in the distal direction.

Abstract: A medication delivery device comprises an injection device having a reservoir comprising a medicament to be ejected, and a sensor arranged to detect an ejection of the medicament from the injection device, the sensor being arranged to output a signal comprising ejecting information, and a processor for collecting and storing the ejection information.

Abstract: A data collection device for attachment to an injection device, such as an injector pen, includes a sensor arrangement to detect movement of a movable component of the injection device relative to the data collection device during delivery of a medicament by the injection device, and a processor arrangement configured to, based on said detected movement, determine a medicament dosage administered by the injection device. The processor arrangement may monitor the time that has elapsed since the medicament dosage was administered, and control a display to show the mediacament dosage and elapsed time to provide a memory aid to the user. In an example embodiment, the sensor arrangement includes an optical encoder and the movable component includes a plurality of light barrier formations. The movable component may be a number sleeve that provides a visual indication of a dose programmed into the injection device.

Abstract: A recording device for injection device includes a housing, a viewing window, a photographic module, a light splitting element and a signal transmission device. The housing is removably mounted on a dose scale window of an injection device. The viewing window is formed on a surface of the housing, and a viewing path is formed from the viewing window to the dose scale window. The photographic module is located on the housing, and provided with an image-capturing optical axis which is perpendicular to the viewing path. The light splitting element is located at an intersection of the viewing path and the image-capturing optical axis for guiding information located in the dose scale window to the photographic module and the viewing window, respectively. The signal transmission device is electrically connected to the photographic module for transmitting signals of the photographic module to an external device.

Abstract: A modified syringe barrel as a component for a syringe assembly. The barrel's outer wall bears a longitudinally-aligned projection which extends laterally and outwardly away from the barrel, thereby providing added surface for syringe indicia presentation, including elements of a graduated scale. The effect is a more flattened view of syringe markings for significant improvement in readability.

Abstract: An optical decoding system including an optical sensor integral with or attachable to a housing of a drug delivery device and configured to be directed at first and second rotatable components of a dose setting and dispensing mechanism of the drug delivery device and a processor configured to: (i) cause the optical sensor to capture images of the first and second rotatable components at least at the beginning and end of a medicament dose dispensing process; (ii) determine a rotational position of both the first and second rotatable components in each of the captured images; and (iii) determine from the rotational positions of the first and second rotatable components an amount of medicament delivered by the dose setting and dispensing mechanism of the drug delivery device.

Abstract: Drug delivery device adapted to expel a set dose, comprising an expelling mechanism with a drive spring, a dose setting mechanism with first and second dose setting ratchet parts, a bias spring as well as control means. The control means is adapted to rotate the second ratchet part in a first direction to thereby set a dose when rotating the dose setting member in the first direction, and move the ratchet parts axially out of engagement with each other when the dose setting member is rotated in the opposite direction. When the first and second ratchet parts have been axially disengaged, the drive spring will rotate the second ratchet part in the second direction to thereby reduce the set dose, the bias spring moving the ratchet parts axially into engagement with each other again, this resulting in the set dose being reduced corresponding to one tooth of the ratchet mechanism.

Abstract: The present disclosure relates to a drug delivery device having a case adapted to retain a medicament container, a plunger disposed within the case and slidable from a proximal position into a distal position for delivering a medicament from the medicament container, and at least one feedback mechanism that is in operative connection with the plunger. The feedback mechanism includes a collar, a needle shroud, and a control spring biasing the needle shroud in a distal direction relative to the collar. The collar is operatively coupled to the case in an axial direction and prevented from axially decoupling from the case by the plunger when in the proximal position. The plunger, during movement from the proximal position towards the distal position, allows axial decoupling of the collar from the case driven by the control spring until the collar's movement is halted, which creates an audible and/or tactile feedback.

Abstract: Diabetes management systems include an insulin delivery device and a monitoring device for detecting at least one characteristic relating to the insulin delivery device. Monitoring devices may comprise pen caps.

Abstract: A drug delivery device includes a housing defining a shell comprising a front portion and a rear portion slidably coupled to the front portion, a drug delivery assembly at least partially disposed within the housing, at least one electronic component, a power source which powers the electronic component, and a switch assembly. The switch assembly is adapted to selectively cause the power source to provide power to the at least one electronic component.

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 monitoring feature, such as, for example, a pen cap, for an insulin delivery device may include at least one circuit adapted to detect at least one of a capping or decapping of the pen cap from an insulin pen and a processor for using information to the at least one of a capping or decapping of the pen cap. A monitoring feature for an insulin delivery device includes at least one circuit adapted to detect use of the insulin delivery device.

Abstract: A data collection device for attachment to an injection device, such as an injector pen, includes a sensor arrangement to detect movement of a movable component of the injection device relative to the data collection device during delivery of a medicament by the injection device, and a processor arrangement configured to, based on said detected movement, determine a medicament dosage administered by the injection device. The processor arrangement may monitor the time that has elapsed since the medicament dosage was administered, and control a display to show the medicament dosage and elapsed time to provide a memory aid to the user. In an example embodiment, the sensor arrangement includes an optical encoder and the movable component includes a plurality of light barrier formations. The movable component may be a number sleeve that provides a visual indication of a dose programmed into the injection device.

Abstract: One or more embodiments of the disclosure relate, generally, to a pen cap for a manual insulin delivery device. Such a pen cap may include a wireless communication interface, a detection circuit, a user interface, and a processor and memory. The detection circuit may be configured to detect cappings and decappings of the pen cap from a manual insulin delivery device. Timing information and recommendations related to capping and decapping of the pen cap may be presented to a user.

Abstract: A device for safe and easy removal of a rigid needle shield from a syringe, said device comprising a wall with an inner and an outer surface, the inner surface of the wall defining a tubular hollow portion along the longitudinal axis of the a rigid needle shield, said inner wall comprising a recess adapted to receive a compressible gasket movable within said recess along said longitudinal axis from a portion of the recess wherein said gasket is in a relatively uncompressed state to a portion of said recess wherein said gasket is in a relatively compressed state compared to the relatively uncompressed state, wherein said recess is arranged so that the gasket grips the rigid needle shield in the compressed state.

Abstract: A syringe system, including a plunger, a microcontroller, a battery, and a coil. The syringe barrel having a proximal end, a distal end, and a cylindrical sidewall defining a longitudinal axis, the cylindrical sidewall extending longitudinally between the proximal and distal ends, the sidewall having an exterior surface and defining an internal volume, the plunger being positioned between the proximal and distal ends of the syringe barrel and being movable within the internal volume with respect to the syringe barrel in the longitudinal direction. The syringe barrel further includes a label disposed on the sidewall and having at least two conductive strips extending in a non-parallel direction with respect to the longitudinal axis and having unique lengths. The microcontroller is configured to determine a position of the plunger with respect to the syringe barrel by measuring a current induced in the coil by the at least two conductive strips.

Abstract: Methods, computer systems, and computer-storage medium are provided for insulin pen association. A stand-alone insulin pen administration device integrates with BCMA and EHR systems and also operates independently as an insulin administration patient educational tool. The insulin pen administration device contains a library of insulin products, unique identifiers that allow the pen administration device to identify the correct product (e.g., insulin pen), size, and concentration when the insulin pen is scanned and loaded into the pen administration device or administered to the patient. Additionally, approved insulin protocols (i.e. sliding scales) can be entered into the pen administration device to allow for administration of insulin when these protocols are ordered.

Abstract: The present disclosure relates to a sensor for measuring at least one physical or chemical parameter of a cartridge or syringe filled with a liquid substance. In further aspects, the disclosure relates to a cartridge equipped with such a sensor as well as to a drug delivery device equipped with such a cartridge, wherein the sensor comprises: a planar flexible foil arrangeable to an outer circumference of a barrel of the cartridge or syringe, at least a first and a second measuring electrode arranged on said foil, at least a first and a second contact electrode arranged on said foil, and a processor arranged on said foil and connected to the first and to the second measuring electrodes, wherein the first contact electrode and the second contact electrode are connected to the processor.

Abstract: The present disclosure relates to a tubular rotator for a medicament delivery device having a medicament delivery member cover and a sensor arrangement, wherein the tubular rotator includes a guide structure arranged to convert linear motion of the medicament delivery member cover to rotational motion of the tubular rotator, and a profiled distal edge periphery arranged to interact with the sensor arrangement for actuating the sensor arrangement. Also provided is a medicament delivery device having such a tubular rotator.

Abstract: A device for training users in a proper mixing of pharmaceutical components, or for aiding in the mixing, or for performing the mixing, and administration of pharmaceutical components is disclosed. The device comprises a housing for receiving a pharmaceutical delivery device containing the pharmaceutical components. There is also a microcontroller disposed in the housing and a motion/orientation detection device disposed within or on the housing and in communication with the microcontroller. A method for use of the device is also disclosed, along with a substance for use as one of the pharmaceutical components.

Abstract: The disclosure refers to a handheld injection device comprising a housing, a dose indicator positioned within and axially constrained to the housing and rotatable with respect to the housing during dose setting and during dose dispensing, a gauge element, which is at least partly interposed between the housing and the dose indicator, wherein the gauge element is axially guided within the housing and in threaded engagement with the dose indicator such that rotation of the dose indicator causes an axial displacement of the gauge element (80; 490). A contrast element having a first marking is provided and at least a region of the gauge element is provided with a second marking, with the first marking and/or the second marking being visible through a first window or aperture in the housing depending on the axial position of the gauge element within the housing.

Abstract: An injection device comprises an injector body having at least one indicator aperture; a medicament reservoir disposed within the injector body; a piston; and one or more status indicators. A movement of the piston expels a medicament out of the medicament reservoir, and operates to move at least one of the one or more status indicators relative to a corresponding indicator aperture.

Abstract: The present invention relates to a recording unit arranged to be connected to a medicament delivery device, which recording unit comprises a generally elongated housing (10; 90) having dimensions so as to enclose at least a distal part of the medicament delivery device (50), the recording unit comprising a recording mechanism (60; 120) provided with an electronic circuit (64; 134) and arranged at a distal end inside said housing, said electronic circuit comprising an activation element (40; 108) operably arranged to activate said electronic circuit (64; 134) when said medicament delivery device is inserted in said housing, said electronic circuit (64; 134) comprising sensor elements (80; 140) capable of sensing status changes of said medicament delivery device during use.

Abstract: An injection device has a housing and a metering member held rotatably in the housing and fixed in the direction of a longitudinal central axis. The metering member via a threaded connection is connected to a sleeve held rotationally fixed in relation to the housing and displaceable in the direction of the axis. When setting a dosage, the metering member rotates relative to the housing, and the sleeve moves distally. When dispensing a set dosage, the sleeve moves in the proximal direction, and the metering member by virtue of the threaded connection rotates in the opposite direction. To enable an automatic injection, the device has a spring supported in relation to the injection sleeve via a first end and in relation to the housing via a second end; the spring, when squeezing out liquid, moves the sleeve proximally and on account thereof causes the set dosage to be dispensed.

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.