Abstract: A breath-responsive metered dose inhaler having a trigger mechanism for triggering delivery of a medicament and a trigger mechanism chassis for locating the trigger mechanism within the inhaler, the trigger mechanism including a breath responsive member moveable upon inhalation of the user from a primed position in which the inhaler is prevented from delivering medicament, to a triggered position in which the medicament is delivered to the user, a spring which is flexible along its longitudinal axis, wherein the spring is configured to bias the breath responsive member from its triggered position to its primed position by flexure along its longitudinal axis.

Abstract: This present disclosure describes a computer-implemented method for updating a plurality of parameters on a medical inhaler sensor via a wireless connection by a client device. The client device stores the plurality of parameters for the medical inhaler sensor on the client device. The client device updates one or more parameters of the plurality of parameters on the client device. The client device receives a plurality of periodic chirps from the medical inhaler sensor, and can establish the wireless connection with the medical inhaler sensor in in response to having received a chirp. Through the wireless connection, the client device transmits the updated one or more parameters of the plurality of parameters to the medical inhaler sensor.

Abstract: A method and apparatus is provided for spraying a solution, such as a cleaning solution a barrier material, out of a spray canister device to a surface area of a human body. The spray canister device generally includes a removable sleeved cover element covering an inner canister element. The spray canister device with the removable sleeved cover is easy to carry and easy to spray, and can be handled manually or functions together with other devices.

Abstract: The connector is configured to couple a first section and a second section of an e-vaping device, and the connector includes a flange with a first end and a second end, a shaft extending from the first end of the flange, an outer shelf being formed by a portion of the first end of the flange, a cylindrical base extending from the second end of the flange, and an inner shelf within the connector, the cylindrical base and the inner shelf at least partially defining a longitudinal opening, the flange defining at least one first notch, the at least one first notch at least partially along the second end of the flange.

Abstract: In certain embodiments, a ventilator may provide interactive guidance for obtaining a subject's expiratory flow limitation results. In some embodiments, the ventilator may cause a progressive color component to be presented, where the progressive color component indicates a progression from one color proximate one side of the progressive color component to another color proximate another side of the progressive color component. The ventilator may cause a forced oscillation to be continuously applied to an airway of the subject for a time period. The ventilator may monitor the subject's degree of expiratory flow limitation based on output signals generated by one or more sensors as the forced oscillation is continuously applied for the time period. The ventilator may cause, based on the monitoring, a movable component's position on the progressive color component to be continuously updated during the time period to indicate the degree of expiratory flow limitation.

Abstract: A respiratory system and method comprise a tracker module adaptable to be secured to a variety of inhalers, the tracker module sensing activation of the medication canister of the inhaler for delivery of medication to a user. The tracker module also senses the rate of inhalation air flow of the user when inhaling medication for determination of proper inhaler use. Upstream and downstream sensors provide flow information to determine quality of the inhalation. A flow sensor is an integral part of the tracking module and can be used on multiple inhalers. Other sensors are provided that monitor user presence at the inhaler, user technique in using the inhaler, and the attitude of the inhaler when it was used. Low power devices are used to conserve battery power. A spirometer provides user lung function data.

Abstract: The present invention relates to an inhaler comprising: an assembly including a heater element arranged in the inhaler to be proximal to a substrate region configured for supporting a vapour or atomiser precursor substrate; wherein the assembly is configured such that the heater element is operative to achieve and maintain a target temperature in the substrate region throughout a period corresponding to a plurality of consecutive uses of the inhaler.

Abstract: In one aspect of the present disclosure, an apparatus for delivering a powdered agent into a subject's body may include a powder chamber housing the powdered agent. The apparatus also may include a chassis in fluid connection with the powder chamber. The chassis may include a first passage for receiving a pressurized gas, a second passage for receiving the powdered agent from the powder chamber, and a junction in fluid communication with the first passage and the second passage. At least a first portion of the pressurized gas is introduced into the powdered agent at the junction to fluidize the powdered agent.

Abstract: Described herein are devices, systems and methods for monitoring the use of a nebulized medication, such as can be administered using a nebulizer. These can be used for monitoring a patient undergoing treatment for COPD and improve compliance to the recommended therapy. Monitored parameters include flow, humidity and acceleration and provide data as to the quantity and quality of nebulizer use.

Abstract: An inhaler includes a main body having a canister housing, a medicament canister retained in a central outlet port of the canister housing, and a dose counter having an actuation member for operation by movement of the medicament canister. The canister housing has an inner wall, and a first inner wall canister support formation extending inwardly from a main surface of the inner wall. The canister housing has a longitudinal axis X which passes through the center of the central outlet port. The first inner wall canister support formation, the actuation member, and the central outlet port lie in a common plane coincident with the longitudinal axis X such that the first inner wall canister support formation protects against unwanted actuation of the dose counter by reducing rocking of the medicament canister relative to the main body of the inhaler.

Abstract: A drug delivery device includes a housing, a drug delivery assembly disposed within the housing along a longitudinal axis, and a cap defining a shell. At least one electronic component, a power source, and a switch assembly are at least partially disposed in and coupled to the cap. The switch assembly is movable along a plane orthogonal to the longitudinal axis of the drug delivery assembly to cause the power source to provide power to the electronic component. The device further includes an activation mechanism at least partially disposed in the cap. Upon urging the cap along the longitudinal axis in a direction away from the housing, the activation mechanism engages the switch assembly and causes the switch assembly to move, thereby causing the power source to provide power to the at least one electronic component.

Abstract: A medication delivery system including a holding chamber having an input and an output end, a backpiece coupled to the input end of the holding chamber and having an electrical circuit and an opening. An MDI includes an insert portion moveable between an engaged position wherein the insert portion is received in the opening and a disengaged position wherein the insert portion is removed from the opening, and at least one contact that completes the electrical circuit when the insert portion is in the engaged position.

Abstract: A system may include a mobile application residing on an external device and an inhalation device. The inhalation device may include a mouthpiece, a mouthpiece cover, medicament, and an electronics module comprising a processor. The inhalation device may be configured to both prepare a dose of medicament for delivery to a user and cause the processor to transition between power states when the mouthpiece cover is moved from a closed position to an open position to expose the mouthpiece. The electronics module or the mobile application may be configured to generate usage events based on usage of the inhalation device by the user. The electronics module may also include a pressure sensor, and the electronics module or the mobile application may be configured to determine whether a usage event is a good inhalation event, a fair inhalation event, or a no inhalation event based on feedback from the pressure sensor.

Abstract: A device for delivering medication to a user may include a main body, an electronics module, and a slider. The main body may include a mouthpiece, a medication reservoir, and a mouthpiece cover, where the mouthpiece cover may be hinged to the main body. The electronics module may include a communication circuit, a pressure sensor, and a switch. The slider may be configured to engage the switch when the mouthpiece cover moves from a closed position to an open position. The switch may be configured to switch the electronics module from an off state or a sleep state to an active state. The electronics module may be configured to never return to the off state after the mouthpiece cover is moved to expose the mouthpiece for the first time by the user.

Abstract: A refill assembly (129) for use in a medicinal inhaler (100). The refill assembly includes a patient port (110), and an adapter (118) configured to cause a dose of medicament to be released. The adapter is movable between a first position in which a dose of medicament is not released and a second position in which a dose of medicament is released. The refill assembly further includes a lockout mechanism positioned to lock the adapter in its first position, and a lockout override actuator (223). The lockout override actuator is movable between a first position in which the lockout mechanism is in a first locked state, and a second position in which the lockout mechanism is in a second unlocked state and the adapter is movable from its first position to its second position even when the refill assembly is not coupled to a reusable assembly.

Abstract: An inhaler tracker module is secured to an inhaler and has an activation sensor for sensing use of the inhaler. The tracker module includes a memory for storing inhaler use data, and a communications component for wirelessly transmitting the stored inhaler use data. The tracker module is wrapped around the inhaler body and includes a pressure switch located at the top of the canister to detect a user pressing the canister into the body for inhaler use. The tracking module has a standby mode in which it remains until inhaler use or until inhaler use data is stored and it is transmitted. A pairing function is provided.

Abstract: A tub is configured to contain a supply of water and is configured to be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain the supply of water. The tub also includes a tub lid and a flow plate provided between the tub base and the tub lid. The flow plate includes a water level indicator configured to indicate a level of the supply of water in the tub base. In addition, the water level indicator includes a generally rectangular portion and a generally triangular portion.

Abstract: A water reservoir for an apparatus for humidifying a flow of air for delivery to an entrance of the airways of a patient for respiratory therapy includes a reservoir base configured to hold a volume of water, a reservoir lid comprising an inlet and an outlet, a hinge joint to pivotally couple the reservoir lid to the reservoir base for pivotal movement between an open position and a closed position, wherein the reservoir lid and the reservoir base cooperate to form a sealed internal volume at the closed position, and a rotation stop, wherein the rotation stop is arranged between the reservoir lid and the reservoir base at the open position, and wherein the rotation stop is configured and arranged to disconnect the reservoir lid from the reservoir base at the hinge joint when the reservoir lid is over-pivoted beyond the open position.

Abstract: A device for storing and vaporizing liquid media can comprise an annular liquid media storage tank and a heater configured to vaporize liquid stored in the annular liquid media storage tank.

Abstract: A valved-container inhaler (150) has a mechanical return assembly with a spring (214) and a transfer (212) configured to transfer stored potential energy from the spring to a canister (51) and a clutch (208, 210) in a load path of the force between the spring and the transfer, the clutch being rotatable between a first condition in which load is transferred from the spring to the transfer, and a second condition in which the spring and the transfer can move relative to one another to interrupt the load path and thereby allow the canister to resile after actuation.

Abstract: An electric cigarette including a detachable cover for enclosing the battery. The cigarette allows for replacing the battery. In addition, the cigarette includes an indicating light for reflecting the state of the battery. In addition, the cigarette includes an atomizing assembly that includes detachable components for maintenance or replacement. In addition, the cigarette includes a transparent casing disposed in atomizing assembly. The cigarette of the invention allows for saving materials and reducing cost burden on a user.

Abstract: An apparatus for delivering a flow of gas, has a housing 3202? with a recess, and an outlet port 3210? for a flow of gas. The recess is defined by at least one wall 3256, 3262 that is substantially continuous, gas impermeable, and unbroken, other than a gasflow passage from the recess to the outlet port of the housing.

Abstract: A breath-responsive inhaler having a trigger mechanism for triggering delivery of a medicament to a user, the trigger mechanism including a medicament source, having a primed position in which the inhaler is primed for use and an actuated position in which the medicament source is actuated to dispense a dose of medicament, a toggle mechanism for selectively permitting movement of the source from its primed position to its actuated position, the toggle mechanism comprising a vane positioned in the air flow path, the vane being pivoted about a vane pivot, and wherein the trigger mechanism is triggered by movement of the vane upon inhalation of the user to move the toggle mechanism between a primed condition in which the medicament source is maintained in its primed position by cooperation with the toggle mechanism and an actuated condition in which the toggle mechanism is disengaged from cooperation with the medicament source.

Abstract: The present invention provides a drug delivery system that includes a housing configured to contain one or more dispensers. Each dispenser includes an activation mechanism, a nozzle configured to direct the medicament to a predetermined area in the nasal passageway. The nozzles may be configured to create a spray pattern that is about 50-degrees to direct the delivery of a medicament to the sphenopalatine ganglion.

Abstract: Pharmaceutical compositions in which isolated cannabinoid receptor modulators are optionally combined with terpene blends in a pharmaceutically acceptable carrier. Methods for treating or preventing a disease, disorder, dysfunction or condition caused by exposure to an organophosphate or carbamate acetylcholinesterase inhibitor with the inventive compositions are also disclosed.

Abstract: A cartridge may include a cartridge housing, a reservoir and a wick housing disposed inside the cartridge housing, a heating element, and a wicking element. The cartridge housing may be configured to extend below an open top of a receptacle in the vaporizer device when the cartridge is coupled with the vaporizer device. The reservoir may be configured to contain a vaporizable material. The heating element may include a heating portion disposed at least partially inside the wick housing and a contact portion disposed at least partially outside the wick housing. The contact portion may include cartridge contacts that form an electric coupling with receptacle contacts in the receptacle. The wicking element may be disposed within the wick housing and proximate to the heating portion of the heating element. The wicking element may be configured to draw the vaporizable material to the wick housing for vaporization by the heating element.

Abstract: A modular electronic inhaler having an embedded system and a method for precise and repeatable delivery of multiple types of medications in different forms to the pulmonary system of a human user. The inhaler can include a first MDI housing defining an internal chamber for accommodating a MDI medication cartridge and a second DPI housing defining an internal chamber for accommodating a DPI medication cartridge. Meter reservoir compartments in each housing can automatically provide precise doses of medicine using vacuum pressure sensors. The sensors can be in communication with the internal embedded system/electronics (microcontroller) of the inhaler and the electronics/microcontroller can be in permanent communication with a software application running on the user's smart phone or other electronic device.

Abstract: A device including a body with a mouthpiece, a fluid reservoir mounted to slide relative to the body, a valve, a blocking element movable and/or deformable between a blocking position in which the metering valve cannot be actuated, and an actuation position in which the metering valve can be actuated; a trigger element movable and/or deformable between a locking position and a release position; and an inhalation-controlled trigger system. The blocking element including a projection that, in the locking position, co-operates with a shoulder of the trigger element to define a latch that prevents the blocking element from moving and/or deforming. The blocking element includes a lateral projection that, in the locking position of the trigger element, co-operates with a bearing surface of the trigger element to form, in the locking position of the trigger element, a second contact point between the blocking element and said trigger element.

Abstract: A drug delivery device, in particular a nebulizer or inhaler, for dispensing a fluid includes a cartridge having a collapsible container within which the fluid is disposed, a mechanism to help the collapsing process and to prevent the collapsed container from expanding again, hence preventing the forming of vapor and gas bubbles within, where the mechanism is adapted to pressurize the fluid within the container during withdrawal of the fluid.

Abstract: This description provides asthma risk notifications in advance of predicted rescue usage events in order to help effect behavior changes in a patient to prevent those events from occurring. Rescue medication events, changes in environmental conditions, and other contextually relevant information are detected by sensors associated with the patient's medicament device/s and are collected from other sources, respectively, to provide a basis to determine a patient's risk score. This data is analyzed to determine the severity of the patient's risk for an asthma event and is used to send notifications accordingly.

Abstract: A breath-powered, dry powder inhaler, a cartridge, and a pulmonary drug delivery system are provided.

Abstract: A device capable of automatically igniting or heating a cigarette includes a heat source system, a control system, and the openable and closeable top cover. The heat source system includes the electric heating chamber and the igniter. The igniter includes the electric heating element. The electric heating chamber includes at least one pair of light passing holes of the electric heating chamber. The control system includes the control circuit board, the mechanical switch, the mode switching switch, the infrared light source, the light sensing switch, and the device main circuit switch. The mechanical switch controls the top cover to be opened or closed and controls the device main circuit switch to be turned on or off. The mode switching switch is used for switching between an operation of the igniter and an operation of the electric heating chamber.

Abstract: The present disclosure provides a dual-pump outflowing liquid container, comprising an outer tube, an inner tube and a pump core mechanism, wherein the pump core mechanism includes a pump core mounting seat, the first vacuum pump, the second vacuum pump and a pressing head, the embedding connector is connected to the inner tube embedding mounting hole in a sealing manner, the pump core mounting seat is detachably connected to the top end of the outer tube, the first pump core mounting hole corresponds to the first pump core intercommunication hole, the second pump core mounting hole corresponds to the second pump core intercommunication hole, the pressing head is slidably connected to the pump core mounting seat, a passage inlet of the first outflowing liquid passage is abutting with a pump outlet of the first vacuum pump in a sealing manner.

Abstract: An auto-injector device comprising an injector body having a proximal end and a distal end; a syringe received in the injector body; a needle disposed in a first end of the syringe to extend toward an opening in the distal end of the injector body; and a sealing element disposed at the distal end of the injector body for making a seal against a patient's skin. The auto-injector is configured to generate a reduced pressure to draw the auto-injector device against the patient's skin. The auto-injector device comprises a pressure-reducing mechanism configured to generate the reduced pressure within the injector body during an injection process. The pressure reducing mechanism comprises a moveable member configured such that movement of the moveable member from a first position to a second position enlarges a closed volume within the injector body to generate the reduced pressure within the closed volume.

Abstract: A power supply unit for an aerosol suction device includes: a power supply capable of discharging to a load for generating an aerosol from an aerosol generation source; and a controller capable of controlling charging and discharging of the power supply. The controller is capable of operating in a charging mode for controlling charging of the power supply, a first mode different from the charging mode, and a second mode different from the charging mode and the first mode, and is capable of executing diagnosis processes of the power supply in each of the first mode and the second mode.

Abstract: An intra-oral scanning device includes a main part having a first mount structure, a scanning arm having at least one signal collector, a drive mechanism connected to the scanning arm to move a head portion of the scanning arm, and a mouthpiece positionable in an oral cavity. The mouthpiece has a hollow interior, an opening to access the hollow interior and a second mount structure. The scanning arm extends into the hollow interior when the first mount structure is connected to the second mount structure. The scanning arm is mounted to a pivot manipulator of the drive mechanism such that an axis of rotation of the pivot manipulator is essentially perpendicular to a longitudinal axis of the scanning arm. The scanning arm is mounted to a linear manipulator of the drive mechanism such that a distance between the pivot manipulator and the head portion of the scanning arm is modifiable.

Abstract: A device for accessing dry powder within a sealed chamber is described. The device includes a hollow housing having a proximal end opening, a primary distal end opening and a secondary distal end opening, at least one wing structure extending from the outer surface of the housing that is positioned distally from the primary distal opening. Also described is a dry powder inhaler having a housing, a penetrating component for accessing dry powder within a sealed chamber, and a mouthpiece, where the mouthpiece is connected to the proximal end opening of the penetrating component, and wherein the at least a portion of the distal end of the penetrating component is positioned within the inhaler housing.

Abstract: An apparatus for an electronic aerosol provision system may include a replaceable cartridge for the electronic aerosol provision system or a fixed component of a re-fillable or disposable electronic aerosol provision system. The apparatus includes a reservoir for a source liquid and a carrier module supported within the reservoir. The carrier module defines an airflow path within the reservoir and includes a heating element supported in the airflow path for generating an aerosol from the source liquid and first and second mounting parts which cooperatively engage to support the heating element. The first and second mounting parts cooperatively engage at an interface which extends in a direction substantially parallel to a direction along which air flows in the airflow path when the apparatus is in normal use. A gap between the first and second mounting parts may provide a capillary channel for drawing source liquid to the heating element from the reservoir heating during use.

Abstract: A medicament device sensor (Sensor) comprises a body, a front wall, a back wall, an audio sensor, and a plurality of pressure sensors. The body includes a bottom surface on which the various sensors are coupled. The front wall and the back wall provide mirror symmetry in at most one plane, thereby defining a single orientation in which the Sensor attaches to the medicament device. The front wall includes a securement clip that attaches to a ledge on the medicament device. To detect secure attachment of the Sensor to the medicament device, one pressure sensor detects pressure when the Sensor is secured to the medicament device. Another one or more pressure sensors detect depression of one or more dosing buttons confirming priming of the medicament device. The audio sensor detects an inhalation confirming dispensing of medicament. In effect, the Sensor determines a dispensing event has occurred.

Abstract: A nasal delivery device for and method of delivering substance to a nasal airway of a subject, the delivery device comprising: a nosepiece (117) for fitting to a nasal cavity of a subject; a mouthpiece (119) into which the subject in use exhales; a delivery unit, which comprises an actuation part which is manually displaceable to actuate the delivery unit to deliver substance from the nosepiece; and a valve assembly (127) which is fluidly connected to the nosepiece and the mouthpiece, wherein the valve assembly comprises a body element (128) and a valve element (131) which is movably disposed to the body element between closed and open configurations by manual displacement of the actuation part of the delivery unit to provide for an air flow through the nosepiece simultaneously with delivery of substance.

Abstract: The introduction of electronics into a drug delivery device may introduce certain technical challenges, such as durability, electro-mechanical integration, and drug delivery performance. The present disclosure provides solutions for inclusion of an electronics module with an inhaler. For example, heat stakes may be used to secure a printed circuit board (PCB) to an electronics module's housing. Also for example, a slider may be used to transfer vertical movement of an inhaler's yoke to an electronics module's switch. Also for example, certain seals may be used when interfacing the electronics module to other portions of the device's housing to achieve a desired performance.

Abstract: An electronic inhaler having an embedded system and a method for precise and repeatable delivery of multiple types of medications in different forms to the pulmonary system of a human user. The inhaler can include a housing defining an internal chamber for accommodating at least two cartridges (reservoirs) containing multiple medicines in different states, and a meter reservoir compartments that can automatically provide precise doses of medicine using vacuum pressure sensors. The sensors can be in communication with the internal embedded system/electronics (microcontroller) of the inhaler and the electronics/microcontroller can be in permanent communication with a software application running on the user's smart phone or other electronic device.

Abstract: An inhalation-synchronized fluid dispenser device having a body provided with a mouthpiece, a fluid reservoir containing a fluid and a propellant gas mounted to slide axially, a metering valve including a valve member assembled on the reservoir for selectively dispensing the fluid. The device also includes an actuator element movable and/or deformable between a non-actuation position and an actuation position; and an inhalation-controlled trigger system including an inhalation-sensitive member deformable and/or movable under the effect of inhaling so as to move and/or deform the actuator element from its non-actuation position towards its actuation position. The actuator element is a locking element that, in its non-actuation position, enables the valve member of the metering valve to move axially in the body together with the reservoir, preventing said metering valve from being actuated when the reservoir is moved axially in the body without inhaling.

Abstract: The present invention provides an aerosol device for delivering a pharmaceutical formulation by inhalation via the mouth to the lungs or to the nostril in metered doses comprising: a pressurised aerosol canister including a vial containing a pharmaceutical formulation comprising an active ingredient, a propellant and, optionally, a co-solvent, the aerosol canister further comprising a metering valve having a valve stem; and an actuator for the aerosol canister, the actuator including a delivery outlet and a stem block, the stem block having a receptacle into which the valve stem of the metering valve of the aerosol canister is received and axially located and being displaceable relative to the vial of the aerosol canister to actuate the metering valve of the aerosol canister, a sump extending below the receptacle, the stem block further defining a discharge orifice arranged to direct the pharmaceutical formulation through the delivery outlet, a transfer tunnel having an input opening and an output opening thr

Abstract: A detachable cap for measuring usage of an inhaler includes a hollow receiving portion adapted to removably receive the inhaler. A vent is formed in a roof portion of the cap to allow airflow through the cap to the inhaler. An extension portion is provided for containing electronic components, including an electronic circuit provided in the extension portion, the electronic circuit including a controller coupled to a storage device and a power source. A pressure sensor is provided adjacent to the vent, the pressure sensor communicatively coupled to the controller and adapted to detect an air pressure within the cap. The controller is programmed to calculate an air flow rate through the cap based on the detected air pressure and to store the calculated air flow rate in the storage device.

Abstract: A dispensing device includes a nozzle, two containers and a regulation device. The containers each include a bottle and a pump unit. The bottle has a regulated unit. The regulated unit is disposed at the bottom of the bottle. The pump unit linearly, movably connects to the bottle. The pump unit is in communication with the nozzle. The pump unit provides a substance in the bottle to the nozzle. The regulation device rotatably connects to the regulated units of the two bottles or is positioned proximate to the regulated units of the two bottles. The regulation device is rotated such that the bottles vary in height relative to the regulation device. Therefore, the dispensing device provides two types of substances simultaneously and regulates a proportion of the provided substances.

Abstract: On-demand, hand-held vaporizer that operates primarily by convection. The vaporizer is configured to permit very rapid (e.g., within a few seconds) heating of air drawn through an oven chamber to a predetermined or selectable vaporizing temperature to vaporize a material (e.g., loose leaf plant material, etc.) that is held in the oven chamber. The vaporizer provides efficient transfer of air being heated as well as rapid delivery of vaporizable material to a user.

Abstract: An electronic smoking device, comprising a capillary buffer having a first end, a second end, a capillary buffer portion between the first end and a second end, and an vapor channel and a liquid conduit formed between first end and the second end and through the capillary buffer portion; the capillary buffer portion is operable to receive under capillary effect excessive liquid from the liquid supply.

Abstract: A mouthpiece device is provided for interconnection with a personal vaporizer device. The mouthpiece is connectable to a cartridge and comprises connection members to securely interconnect the mouthpiece and the cartridge. In some embodiments, at least one connection member is provided that is detachable from a remainder of the mouthpiece to prevent tampering with a mouthpiece or a cartridge.

Abstract: A discharge device having an actuating handle, a first pump system for conveying a first medium and a second pump system for conveying a second medium. The actuating handle can be moved between an initial position and an end position. The first pump system includes a first pump chamber and a first piston arranged in a displaceable manner in the first pump chamber. The second pump system includes a second pump chamber and a second piston arranged in a displaceable manner in the second pump chamber. The first piston and the second piston can be displaced via the actuating handle in the direction of actuation, and the actuating handle and the first piston are coupled to each other such that the actuating handle and the first piston can be displaced relative to each other in a direction of actuation via a free travel.