Abstract: An attachment device for attachment to a drive device including a receptacle for a fluid container and a pressing device for pressing the fluid container, to effect the dispensing of fluid contained in the fluid container. The pressing device serves to lock the fluid container in the receptacle so that the fluid container cannot be removed from the receptacle. The attachment device further includes a stabilizing handle and an actuating element operable by the user to release the locking of the fluid container in the receptacle so that the fluid container can be removed from the receptacle, and in which the stabilizing handle is the actuating element or the actuating element is arranged in the region of the stabilizing handle so that the user can actuate the actuating element with his hand while the user grips the stabilizing handle with this hand.

Abstract: Provided is an electrophoresis device that, by electrophoresis, feeds a sample into capillaries and optically detects the sample, the electrophoresis device being provided with capillaries, a capillary head provided at the distal end of the capillaries, a phoretic medium-filled container used for electrophoresis and filled with a phoretic medium, a guide member that covers the side surface of the phoretic medium-filled container, a seal member that seals from below the phoretic medium filled in the phoretic medium-filled container, and a plunger that presses the seal member.

Abstract: The disclosure refers to a device, for example a cartridge, a syringe or an autoinjector, which reduces the possibility of user error and provides an easy and automatic operation during mixing and/or reconstitution. The device is adapted such that activation of the device causes movement one of a first piston and a second piston in second chamber in an axial direction of the device, thereby moving the other one of the first piston and the second piston into the same axial direction of the device, opening a fluid communication path between the second chamber and a first chamber of the device, and expelling a second material from the second chamber into the first chamber via the fluid communication path. The disclosure is further directed to a respective mixing and/or reconstitution method.

Abstract: An assembly is used for an applying device having a first pressurizing member that can pressurize a viscous material stored in a first container, and a second container having the viscous material stored, the second container being relatively approachable and separatable with respect to the first pressurizing member. The first pressurizing member includes a first contact unit contactable with the second container and a first passage through which the viscous material stored in the first container is circulatable to the second container. The second container includes a second contact unit contactable with the first contact unit, and a second passage provided on the second contact unit, the second passage being interrupted from the first passage when the first contact unit is brought into contact with the second contact unit, the second passage communicating with the first passage when the first contact unit is separated from the second contact unit.

Abstract: A cosmetic container includes a threaded rod, a sleeve, a nut, a ratcheted wheel, a shell, a lining and a button. The nut is connected to the sleeve and inserted in the shell so that they are not allowed to translate or rotate relative to one other. The threaded rod is engaged with the nut. The shell is connected to the sleeve so that they are not allowed to translate or rotate relative to each other. The ratcheted wheel is movably inserted in the shell. The lining is inserted in the shell so that they are not allowed to translate or rotate relative to each other. The button is partially inserted in the lining so that they are not rotatable but translatable relative to each other. Every time the button is pushed, a cosmetic product is extended from the sleeve by the threaded rod.

Abstract: A system for dispensing material contained in a collapsible package from a dispensing device. The system includes a piercing nozzle attachable to a dispensing end of the dispensing device, and a plunger attachable to a plunger rod of the dispensing device configured to compress the package against the piercing nozzle. The piercing nozzle includes a nozzle sidewall and a nozzle end wall defining an internal nozzle cavity configured to receive a first end of the package. One or more recessed members extend into the internal nozzle cavity in part from a recessed member. The piercing projection pierce the package when compressed thereagainst, allowing the material in the package to be dispensed through a nozzle opening. An internal nozzle rib can extend across a nozzle opening defined through the nozzle end wall.

Abstract: A system for dispensing material contained in a collapsible package from a dispensing device. The system includes a piercing nozzle attachable to a dispensing end of the dispensing device, and a plunger attachable to a plunger rod of the dispensing device configured to compress the package against the piercing nozzle. The piercing nozzle includes a nozzle sidewall and a nozzle end wall defining an internal nozzle cavity configured to receive a first end of the package. One or more recessed members extend into the internal nozzle cavity in part from a recessed member. The piercing projection pierce the package when compressed thereagainst, allowing the material in the package to be dispensed through a nozzle opening. An internal nozzle rib can extend across a nozzle opening defined through the nozzle end wall.

Abstract: An apparatus is disclosed, comprising a detector unit comprising a detector configured to detect an actuation action performable via the detector unit to an actuation button of a medical device to cause the medical device to eject at least a portion of a medicament comprised in the medical device. The detector is configured to detect the actuation action based on a detection of a force and/or a touch applied to the detector unit as part of the actuation action. The apparatus further comprises an electric unit connected to the detector and configured to store and/or provide information related to the detected actuation action. Furthermore, an according method and a computer program for controlling this method are disclosed.

Abstract: Provided herein are dry powder formulations comprising at least one active pharmaceutical ingredient suitable for nasal application. Also provided are unit dose forms and devices comprising such formulations and methods of using such formulations for the treatment of various conditions including respiratory conditions, hemodynamic collapse, seizures, migraines, and other conditions.

Abstract: Device for packaging, dispensing and applying a solid or pasty block of cosmetic product The present application relates to a device for packaging, dispensing and applying a block of solid or pasty cosmetic product, comprising a longitudinal tubular case having an open first end, intended for dispensing the cosmetic product, and an opposite second end that is closed by a base accommodating a mechanism for driving a support for holding said cosmetic product in translation along the case, characterized in that the device has, at the open first end of the case, an external envelope with a longitudinal central axis offset radially with respect to a longitudinal central axis of an external envelope of the device at the opposite end of the case that is closed by the base.

Abstract: This invention is a gun shaped device used in the application of caulk, paste and or other semi solid high viscosity fluids. The device contains a barrel portion for the tube to be inserted into, and a plunger portion with a flat round metal piece with a fitting that attaches to a set of shortened rods. The set of shortened rods acts as a plunger and goes through a guide toward the back of the handle. The barrel can be shortened for use of smaller tubes of caulk.

Abstract: A re-mixing dispenser for containing and dispensing a liquid. The dispenser may have one or more tubes, each containing a different liquid. At least one of the liquids may be re-mixed in situ, using a special two-piece plunger and plunger rod. A mixing piece of the two-piece plunger is moveable independently of a top piece and has blades that allow it to move through the liquid. A plunger rod is removably attached to the mixing piece and is operable to move the mixing piece up and down within the tube during mixing. The two plunger pieces are joined and moved as a single plunger during dispensing.

Abstract: A delivery device for delivering an instrument into a catheter assembly may include a syringe, which may include a barrel and a plunger movable within the barrel. The plunger may include a handle and a stopper coupled to a distal end of the handle. The stopper may include a channel. The delivery device may include a guidewire disposed within the barrel and extending through the channel. In response to depression of the plunger, the guidewire may move through the channel and a first end of the guidewire may be advanced in the distal direction. A second end of the guidewire may be fixed.

Abstract: An aerosol foam dispenser for dispensing a foam antiperspirant or deodorant composition. The foam dispenser can have a pressurized container adapted for one or more propellants and a liquid deodorant or antiperspirant composition; a valve assembly, which can be a metered valve assembly, having a valve stem; an actuating mechanism in operative communication with the valve assembly, a dome with a skin contacting surface and one or more exit orifices in fluid communication with the valve stem; and a dip tube.

Abstract: Device for preparing a cosmetic composition, set of capsules and associated preparation process The invention relates to a device (10) for preparing a cosmetic composition comprising: —a structure (28) defining a housing (30) extending along a longitudinal axis (X-X?), —a piston (36) movable in translation in relation to the structure (28) along the longitudinal axis (X-X?) in the housing (30), and —an outlet nozzle (32) opening at one end of the housing (30), suitable for being fluidically connected to a receptacle. The housing (30) receives removably a plurality of capsules (16) aligned coaxially along the longitudinal axis (X-X?), at least one of the capsules (16) containing at least one constituent of the cosmetic composition (12). The piston (36) is mounted movable through the capsules (16) to successively perforate each capsule (36) and convey contents of each capsule (16) to the outlet nozzle (32).

Abstract: A piston for a reservoir of a dispenser of a fluid product without air intake, and presenting a central axis X includes both sealing means and also guiding means. The sealing means extend in a plane orthogonal to the axis X and define a single external sealing line in a closed loop, distal from the axis X, capable of coming into contact with an inner wall of the reservoir 10. The guiding means include a base from which extends one or more tabs with free ends defining external guide points, distal from the axis X, capable of coming into contact with the inner wall of the reservoir.

Abstract: Sealant dispensing cartridge assemblies including radially expandable collets are disclosed. A plunger head assembly includes a ram head attached to a plunger rod. As the plunger rod is advanced into the sealant cartridge, the ram head presses against a rear side of a movable plunger against an opposing force created by a sealant contained in the cartridge on a front side of the plunger. As the plunger rod is further advanced, the collet contacts the ram head and radially expands against the inner sidewall of the plunger. The resulting radial force presses the sidewall of the plunger against the inner surface of the cartridge to thereby reduce or prevent unwanted leakage of the sealant around the plunger.

Abstract: A syringe barrel includes: a hollow body portion that is configured such that a gasket is slidably insertable therein. The syringe barrel is made of a resin that has a total light transmittance of 80% or more. A scale is disposed at an inner circumferential surface or an outer circumferential surface of the body portion, the scale being visible from an outside of the syringe barrel and being configured to indicate a liquid amount. The scale is formed by (i) a stepped structure having a step height in a range of 0.001 to 0.15 mm in a radial direction, and/or (ii) an embossment.

Abstract: Precision low-dose, low-waste syringe configurations have a reduced diameter lumen for dispensing 0.01 ml increments of contents. Plunger and lumen configurations and a needle interface eliminate dead space. Ergonomic attachments improve the control and precision of delivery of syringes. An attachment main body includes a gripping surface to permit a user to engage the attachment and move the attachment main body, and thus the syringe plunger relative to the syringe barrel using sliding movement. Optical enhancement features are provided on the attachment to improve the readability of gradations and plunger position. The attachment may be provided with an assist feature, which may be a traction wheel mounted on the attachment body. An alternative configuration suitable for syringe contents of higher viscosity may include a pair of toothed pinion gears on a wheel and which cooperate with respective toothed racks formed on or fastened to the syringe body.

Abstract: A sanitizing apparatus includes a main housing, a dispensing member, a supporting platform, and a sanitizing fluid pouch. the main housing comprises a front wall, a first sidewall, a second sidewall, a rear wall, a bottom wall, and an opening. The front wall, the first sidewall, the second sidewall, the rear wall, the bottom wall of the main housing together form an internal space accessible through the opening of the main housing. The dispensing member is inserted into the internal space through the opening of the main housing. The dispensing member comprises a dispensing mechanism. The sanitizing fluid pouch is filled with a sanitizing fluid and is flexible and deformable. The supporting platform is placed within the dispensing member. The supporting platform comprises a supporting plate on which is seated the sanitizing fluid pouch. The supporting platform further comprises a pressure-applying member.

Abstract: A micro pump vessel has an outer vessel on one side of which a button is formed and an outer vessel lid which is hinge-coupled to one side of the outer vessel to be opened and closed. In the vessel, a first and a second pistons are installed on an upper surface of cosmetic contents, and thus, when the cosmetic contents are pumped and used by the operation of a micro pump, the first and the second pistons lower to exhaust all the cosmetic contents so as not to discard the remaining cosmetic contents.

Abstract: Silicone-containing cartridges having a plunger at one end thereof are effectively sealed against moisture penetration by introducing a silicone oil composition having a viscosity of from 5000 mPa·s to 100,000 mPa·s between the walls of the plunger and the interior surface of the cartridge wall.

Abstract: A system for mixing two cosmetic products includes a tubular bottle defining a first reservoir containing a first product to be mixed, a tubular cartridge defining a second reservoir containing a second product to be mixed, a retaining device suitable for retaining the cartridge on the bottle in an injection position in which the first reservoir communicates with the second reservoir via the inlet orifice of the base and the injection orifice of the cartridge, a perforator having an upper edge designed to perforate the cap that seals the inlet orifice when the cartridge occupies the injection position, and a piston that seals the lower end of the cartridge and that is axially slidably mounted between an initial bottom position and a final top position in order to push the second product through the injection orifice from the second reservoir to the first reservoir.

Abstract: A reusable cartridge piston for use with film bag cartridges comprises a piston base, an intermediate portion and a piston head. An extension axis extends from the piston base through the intermediate portion and through the piston head. The piston also includes a lip sections extending radially outwardly with respect to the extension axis from a sidewall of the piston head, the piston base and the piston head being spaced apart from one another by the intermediate portion, with a gap between the piston base and the lip sections. The lip sections are respectively spaced apart from one another by slits formed between two neighboring lip sections, with the slits extending in a radial direction with respect to the extension axis of the piston. The piston base, the intermediate portion, the piston head and the lip sections are formed as one piece.

Abstract: One aspect relates to a device for providing a bone cement from two starting components, having a hollow cylinder-shaped first container, in which a monomer liquid as first starting component can be stored, a hollow cylinder-shaped second container comprising a container wall, a first internal space, and a second internal space, whereby a bone cement powder as second starting component can be stored in the first internal space, and whereby the monomer liquid can be conveyed into the second internal space, a fluid-conducting conveying means arranged between the first internal space and the second internal space, whereby the first container and the second container are axially connected to each other.

Abstract: The present invention relates to a medicament delivery device (10) comprising a housing (12, 14); a medicament container holder (90), arranged movable in relation to said housing (12, 14) and capable of accommodating a medicament container (92); an biased activator (160) comprising a plunger rod (164), which plunger rod (164) is arranged to act on the medicament container (92) for delivering a dose of medicament through a medicament delivery member (102 when said biased activator (160) is operated; a manually operable dose setting member (72) operably connected to both said housing and said medicament container holder such that manual operation of said dose setting member (72) will cause the medicament container holder (90) with the medicament container (92) to move towards said plunger rod (164) for setting a dose of medicament to be delivered; a dose drum (56) releasably connected to the dose setting member (72) through a releasable connection mechanism (68, 84I) such that when the dose setting member is op

Abstract: An airless container includes a cylindrical container body storing a contained material, which is a fluid, in an airtight state, and a pump attached to an upper edge portion of the container body and configured to externally discharge the contained material. The airless container further includes a bottom lid that closes a lower opening portion of a container bottom portion of the container body, and a piston in the container body between the pump and the bottom lid, which is slidable in the container body in an airtight state. The piston includes a flexible piece that is deformable in a portion that comes into contact with the bottom lid. The flexible piece is deformable against the sliding of the piston toward the bottom lid.

Abstract: Disclosed is a foundation container having a discharge pump therein, in which a contents container of stretchable material for storing cosmetic contents is coupled inside a container main body, and is fixed by a middle cap, and the contents container is provided with a rounded curved portion (42) at a lower edge thereof, an annular bent portion (43) at a lower center portion thereof, and spaced protrusions (44) protruding radially on an upper bottom surface, such that the contents container is evenly pressed from the rounded curved portion during the pumping operation of the pump, and even when the contents container is compressed, the gap is secured to discharge minimal contents, whereby the contents are smoothly discharged, and by the branch structure of the distribution plate and the discharge plate, it is possible to minimize the residual contents and improve use efficiency while discharging the cosmetic contents evenly.

Abstract: A container for dispensing personal hygiene products comprising a tube with a piston section fit into one and a head assembly and closing the opposite end. The head assembly has a concave top with an aperture through which the contents of the tube are dispensed when the piston is pressed by the user. A Is provided with an opposing convex surface to create a volume between the head assembly and the cap assembly wherein a small amount of dispensed material may be stored.

Abstract: A precision syringe includes a syringe barrel and plunger that has a base, an internal portion, and an external portion. The internal portion of the plunger extends longitudinally into the syringe barrel. The internal portion has a first end coupled to the base and a second end that is configured to push fluid out of and/or suction fluid into the syringe barrel. The external portion extends longitudinally along an outer surface of the syringe barrel. The external portion has a first end coupled to the base and a second end that is configured to receive an applied force that causes the plunger to move relative to the syringe barrel so that the second end of the internal portion is actuated through a portion of the syringe barrel (e.g., to dispense fluid from or suction fluid into the syringe barrel).

Abstract: The invention relates to a piston for an optionally pressurized container, the piston having a sidewall, an upper side and a bottom side, and at least a first circumferential seal, wherein at least the upper side of the piston is closed by a closure and made of a first elastic material, wherein the upper side is configured to deform upon a pressure change acting on the upper side, wherein the sidewall is made of a second material which is different from the first elastic material, wherein the first circumferential seal is positioned on the sidewall on its outer surface. The invention further relates to an optionally pressurized container comprising a piston as mentioned above, to a process of discharging a product from said container and to a process of manufacturing said container.

Abstract: A single-hand controlled syringe with plunger extension includes a barrel, a plunger fit to the barrel, and a plunger extension integrated with the plunger. The plunger extension consists of a head, a back, and a body between the head and the back. The body of the plunger extension is oriented parallel to the plunger, with integrated connection at the back of the plunger extension and the back of the plunger. Depressing the head of the plunger extension moves the syringe from the contracted state to the retracted state. Such syringe with plunger extension is useful to draw blood or fluid with a single hand.

Abstract: A method of manufacturing an optical obturator includes providing an injection mold including a mold cavity defining an outer surface of the optical obturator and a core pin centrally positioned within the mold cavity. The core pin defines an inner surface of the optical obturator. In particular, the core pin may be cantilevered to the injection mold. The method further includes injecting a first material between the core pin and the mold cavity to form the tubular shaft and injecting a second material between a distal portion of the core pin and a distal portion of the mold cavity to form the optical tip.

Abstract: A sectionable tissue sample support structure including a gel compound formed into a self supporting geometric shape for retention and orientation of at least one tissue sample during a histopathology process including processing, embedding and microtome slicing of the tissue sample. A method of orienting, processing, embedding and microtome slicing a tissue sample using a gel compound preformed into a self supporting geometric shape. A combination including the sectionable tissue sample support structure and a package containing the sectionable tissue sample support structure.

Abstract: In one aspect, the invention is directed to a portable paste dispenser having a container for storing paste, the container having a cylindrical part and a conical part, a nozzle at the end of the conical part, a piston, disposed inside the cylindrical part of the container, and a shaft connected to the piston, the shaft having a limited foldability so that when the shaft is pushed towards the piston, it still is able to move the piston along the cylindrical part, where the piston includes foldable bellows walls, thereby upon applying force on the piston, the piston straightens up, resulting in a conical form correspondingly to the conical part, thereby allowing fully emptying the container.

Abstract: A dispensing device having an elongated dispenser body which is elliptical in cross-section through its midsection, has an open top end, and has a dispensing bottom end; a cylindrical ratchet support member which is removably disposed within the open top end of the dispenser body, wherein the ratchet support member comprises a through hole one and or more ribs disposed on the inside of its circumferential sidewall; and a wheel-shaped ratchet which is removably disposed within the ratchet support member, wherein the ratchet has radially extending teeth which are configured to engage with the ratchet support member ribs, the ratchet configuration allows rotary motion in a first direction over the ribs, the ratchet configuration prevents rotary motion in a second, opposite direction past a point defined by the ribs, and the ratchet comprises ribs disposed on the top surface of the ratchet wheel.

Abstract: A retaining element for a razor cartridge has a top portion that includes an aperture therethrough, a bottom portion, and a side portion connecting the top portion to the bottom portion to define a volume between the top portion and the bottom portion, a container having a top opening, a lubricating composition in the container and a first spherical lid to cap the container. The top opening is sized to hold the first spherical lid so that the first spherical lid freely rotates without translation. The container is positioned in the volume so that the first spherical lid at least partially protrudes from the aperture. The lubricating element emits onto an outer surface of the first spherical lid when the first spherical lid rotates.

Abstract: A device for dispensing a material has a container for holding the material, a piston movably arranged within the container and a spindle in cooperation with the piston. The device is configured such that the spindle and the container are rotatable relative to each other to move the piston for dispensing the material. The piston and the spindle are adapted to anti-twist lock against each other in a first axial position of the piston relative to spindle. And in a second axial position of the piston relative to spindle the anti-twist lock between the piston and the spindle is suspended. The device helps minimizing any residual dental material upon attempting to empty the device.

Abstract: A dosing dispenser includes a housing, a traveler, and a plunger. The dosing dispenser also includes a driver. The housing defines a chamber, and the traveler and plunger are each positionable within the chamber. The traveler is configured to selectively position the plunger along an axis in at least one direction within the chamber.

Abstract: An assembly for a drug delivery device is provided, the assembly comprising at least one feedback feature. The feedback feature is configured to indicate the end of a dispense operation to a user by giving an audible and/or tactile feedback.

Abstract: A gel foundation container including a pump, the gel foundation container further including content discharge grooves radially formed on a distribution plate; second control protrusions, which are formed inside the content discharge grooves, for controlling the flow of content; a discharge plate formed at the upper end of the distribution plate; and content discharge holes radially formed at the discharge plate at the same position as the content discharge grooves of the distribution plate, wherein the content discharge holes are formed so as to gradually become larger outwardly from the center of the discharge plate, and thus gel foundation is equally discharged in the same amount onto the entire discharge plate when being pumped.

Abstract: A dropper syringe apparatus includes a cylindrical barrel, a plunger assembly, and a needle. The cylindrical barrel storing the fluid includes a flanged first opening and a second opening. The plunger assembly, inserted into the cylindrical barrel, includes a plunger shaft and a flexible hollow bulb. The plunger shaft includes a flanged upper end, a lower end, and a central lumen. The plunger shaft moves in an upward and a downward direction within the cylindrical barrel. The central lumen extends from the lower to the flanged upper end of the plunger shaft for accommodating the fluid. The flexible hollow bulb is fixedly attached to the flanged upper end and in fluid communication with the central lumen. An external force exerted on the flexible hollow bulb exerts a pressure on the fluid accommodated within the lumen. The needle draws or dispenses the fluid from or to the external body.

Abstract: A syringe includes a barrel with an internal surface defining an internal bore therein, a plunger disposed within the internal bore of the barrel, and a dose divider disposed on the plunger. The dose divider includes a first end, a first abutment surface, and a second abutment surface. The first abutment surface is spaced apart from the first end in the axial direction by a first axial distance, and the second abutment surface is spaced apart from the first end in the axial direction by a second axial distance. The second abutment surface is spaced apart from the longitudinal axis of the plunger by a first radial distance, and the first radial distance is greater than a radial dimension from a longitudinal axis of the barrel to the internal surface of the barrel near a proximal end of the barrel.

Abstract: A centrifuge tube assembly includes an elongate tubular receptacle having upper and lower ends and a side wall that extends between the ends. A cap attached to the receptacle carries a common inlet/outlet port formed therethrough for communication with an interior chamber of the tubular receptacle. A liquid impermeable piston is longitudinally movable through the receptacle chamber and sealably interengages an interior wall of the receptacle. The piston separates upper and lower regions of the chamber, which respectively communicate with the inlet/outlet port and a pressure neutralizing vent. Biological products are introduced into and aspirated from the receptacle through the inlet/outlet port.

Abstract: A method and system for priming a drug delivery device. The drug delivery device includes a dose dial sleeve and an internal housing portion. The dose dial sleeve is coupled to the internal housing. The dose dial sleeve rotates on a substantially circumferential rotational path during priming of the drug delivery device. Further, the dose dial sleeve rotates on a helical path during dose setting of the drug delivery device.

Abstract: A device for self-administration of liquid medication supplied by combining a tablet of medication located within the device with a dissolving liquid from a source which dissolves the tablet upon contact. The formed medication solution is then available for delivery to the sublingual area of a patient.

Abstract: A drug delivery device for selecting and dispensing a number of user variable doses of a medicament includes a housing, a cartridge holder for receiving a cartridge, a lead screw and means for driving the lead screw during dose dispensing. The lead screw is coupled to the cartridge holder such that the cartridge holder is axially displaced with respect to the housing and the lead screw during dose dispensing.

Abstract: A cartridge is provided having at least one reception chamber (2), which extends in the longitudinal direction, for a medium to be dispensed, having an end face (4) and a cartridge wall (3) which bound the reception chamber (2) and which are injection molded in one piece, with the end face (4) having an outlet for the medium, and with the cartridge wall (3) having a first film (6) at its inner side bounding the reception chamber (2) which extends over the total cartridge wall (3) and is non-releasably connected to the cartridge wall (3). A method of manufacturing such a cartridge as well as a multicomponent cartridge are furthermore provided by the invention.

Abstract: A container is provided having a pleated sidewall construction enabling expansion and contraction of an internal volume. A bottom of the container is provided with stabilizers to assist with maintaining the container in an up-right position when expanding and contracting the container. The container is especially useful for concentrated liquids which require the addition of a secondary liquid such as water.

Abstract: A device to contain and deliver fluid substances includes: a container including a housing suitable for containing a substance to be delivered; a feed element for feeding the substance outside the container, including a piston portion inserted inside the housing of the container, and a conveyance portion connected to the piston portion; a dispenser cap connected to the conveyance portion and such as to push the piston portion into the housing of the container and to deliver the substance; at least one element to guide the movement of the piston portion into the housing of the container; wherein the piston portion of the feed element is operated only manually by acting onto the dispensing cap.