Abstract: An interactive device for animals is provided that includes a main body, a driving module and a first rotating member. The main body includes an accommodating groove, an opening, and a communicating channel. The driving module is disposed on the main body. The first rotating member is rotatably disposed in the main body and separates the communicating channel and the accommodating groove. When the driving module drives the first rotating member to rotate in a first rotating direction, the first rotating member drives at least one object disposed in the accommodating groove to enter the communicating channel and leave the main body through the opening.

Abstract: A pneumatic drum emptying station locates a lance over an opening in a container. A lance can be inserted into the container to remove material from the container. Pneumatic cylinders may lock a carriage supplying the lance at a desired position along an arm. The arm, rotatable relative to a base post, may be locked in a specific position with pneumatics. Supports may assist in reloading/repositioning containers relative to the base.

Abstract: A method for filtering a gas includes passing a gas into a compartment of a casing that includes a polymeric film, the casing having: a first sleeve having a first outlet opening, a first filter being at least partially disposed within the first sleeve so that gas passing through the first sleeve must pass through the first filter; and a second sleeve having an second outlet opening, a second filter being at least partially disposed within the second sleeve so that gas passing through the second sleeve must pass through the second filter, the second sleeve being closed so that the gas passing into the compartment of the casing passes through the first sleeve and the first filter and directly contacts at least a portion of the first sleeve comprised of the polymeric film but does not pass through the second sleeve. Opening the second sleeve when a predetermined condition is met so that the gas passes through the second sleeve and the second filter.

Abstract: The present invention describes a rotating mixing/stirring device that includes a shaft (1) connectable to a rotational drive element, the rotating shaft (1) having sufficient length to accommodate at least one integral, substantially orthogonal blade or impeller (5). The blade or impeller (5) is driven to rotate by the rotating shaft (1) and thereby mix and stir any liquid in which the device is used. The blade or impeller (5) includes a plurality of apertures (6) arranged perpendicular to the rotating shaft (1) and these apertures are tapered.

Abstract: The present invention relates to a device for dispensing a dispersion, in particular butter, comprising an input means for receiving the dispersion; a pump, for forcing the dispersion under pressure into; a tube, for leading the dispersion under pressure to a delivery unit, comprising a delivery mouth, having an essentially elongate opening; at least one scraper blade, arranged along a first long side of the opening and a collector for moist, arranged under the opening.

Abstract: Provided is a homogenizing mixer including: a container having an internal space so that materials whose properties differ are contained therein; a fixed frame that is disposed so as to be fixed at the bottom of the container, and communicates from the inside of the container; an agitating unit that is disposed in the fixed frame, so as to be lifted up and down by medium of an lifting unit, and that agitates the materials contained in the container; a driving unit that is disposed on the bottom of the agitating unit for transferring a rotational driving force for the agitating unit; and a discharging unit that is coupled to the agitating unit and discharging a homogenized material to the outside of the mixer.

Abstract: Mixing system comprising: a flexible bag (28) with a mixing device (1) comprising a magnetic impeller; and an alignment facilitation device adapted to facilitate alignment between the magnetic impeller and a magnetic driver (36) located external to the system. Specific flexible bag and hardware therefore.

Abstract: A device (10) for mixing and dispensing bone cement includes a mixing cylinder (20), in which a mixing plunger (21) is arranged, the mixing plunger (21) being axially movable by an actuation rod (50) guided out in a sealed manner at a first cylinder end (30). A sealing plunger (42) is arranged in a region of the first cylinder end (30), is axially movable on the actuation rod (50) and seals the mixing cylinder (20) in a gas-tight manner. A sterilization plunger (41) is arranged in the region of the first cylinder end (30) between the mixing plunger (21) and the sealing plunger (42), is axially movable on the actuation rod (50) separately from the sealing plunger (42), and seals the mixing cylinder (20) in a gas-permeable manner. The sterilization plunger (41) and the sealing plunger (42) form a two-part plunger system (40).

Abstract: The present invention relates to a grit chamber, wherein the chamber body of the grit chamber is in the shape of a hollow cylinder with a cone-shaped bottom; a grit channel is installed below the center of the cone-shaped bottom; a grit removing device is installed in the grit channel; a wall mixer, a plurality of vertical mixers and a spiral grit remover are installed in the chamber body; the wall mixer is installed on the wall of the hollow cylinder; the spiral grit remover is installed in the center of the cylinder, and is provided with a grit-removing blade for removing the grit on the cone-shaped bottom; and the vertical mixers are installed at the position close to the cone-shaped bottom and are vertical to the wall. The invention also provides a grit removing system containing a grit chamber and a grit removing method.

Abstract: The present invention relates to a supply assembly for use in the manufacture of a machine for preparing a beverage obtained by dissolving a soluble preparation in water. The invention also relates to a beverage machine that comprises said supply assembly. The supply assembly (1) according to the invention comprises a mixing chamber (10) containing a mixer (11) comprising at least one impeller (HA) for mixing a single dose of soluble preparation in a quantity of water in order to obtain said beverage. At least one nozzle (20) is provided for the insertion of said water inside said mixing chamber (10) which comprises an upper opening (15) directly accessible to a user for the manual insertion of a single dose of soluble preparation.

Abstract: The present invention provides a mixer for producing a paste by mixing components, comprising a housing having a longitudinal axis, a rear end, and a front end provided with a discharge opening; and a mixing chamber formed in said housing and having an entry side facing said rear end of said housing. The initial content of the mixing chamber is diverted from the discharge opening, and the subsequent content of the mixing chamber is extrudable from the discharge opening.

Abstract: Among other things, an apparatus for mixing and dispensing a bone cement mixture are provided. In certain embodiments, the apparatus includes a housing having a first chamber for containing an ampoule having a first bone cement component. The housing has a second chamber for containing a second bone cement component and the first and second chambers are in fluid communication. An ampoule breaking device is disposed within the first chamber and is configured to engage and break the ampoule for release of the first bone cement component. Disposed within the second chamber is an impeller that is configured to rotate such that the impeller mixes the first and second bone cement components together to form the bone cement mixture. Adjacent the impeller is a displacer that is configured to advance through the second chamber, receiving the impeller and dispensing the bone cement mixture.

Abstract: A system and a method for making an injectable mixture using at least one first pulverulent component and a second liquid component with a first piston/cylinder arrangement with a cylinder with an axial extension and a piston, wherein the cylinder includes a measured amount of the pulverulent component, a separate reservoir including a corresponding measured amount of the liquid component, and a transfer device for sealed transfer of said amount of the liquid component to the cylinder for subsequent mixing and injection of the completed mixture. The first piston/cylinder arrangement is an injection syringe. A mixing element being manoeuvrable by a user is positioned inside the cylinder. At least one gas transferring channel means leading to the cylinder is arranged at the cylinder. Engagement means are arranged for connecting the first injection syringe to the separate reservoir during transfer of the liquid component.

Abstract: A bone cement mixing and delivery system including a mixer and a delivery device. The mixer includes a paddle for mixing the components and a piston that pushes the mixed cement into the attached delivery device. The delivery device includes a tube into which the bone cement is forced from the mixer, and a plunger that forces the cement out of the tube during the medical procedure. The tube includes an entry port through which cement is introduced into the tube from the mixer. A one-way valve attached to the tube allows the cement to flow from the mixer through the entry port. After the cement is loaded in the tube, the delivery device is removed from the mixer. The valve blocks flow out of the entry port when the plunger is depressed.

Abstract: A cartridge in which bone cement is mixed and from which the cement is discharged. A blade with plural vanes is disposed in the cartridge for mixing the cement. A piston located in one end of the cartridge is actuated to push the mixed cement out of the cartridge. The blade has plural vanes, one for scraping cement off the side of the cartridge, one for scraping cement off the piston and one for scraping cement off the end of the cartridge opposite the end in which the piston is normally located. The blade is collapsible so that when the piston is actuated the blade compresses to allow the cement in the cartridge to be pushed out.

Abstract: An apparatus and method for mixing two components and delivering the mixture to a patient. The apparatus contains a mixing chamber for mixing a liquid component and a powder component. The liquid component and powder component are mixed within the mixing chamber by rotation of a collapsible mixing element. A high strength cartridge capable of withstanding high opposing axial loads from the mixing chamber and a threaded rod generates force to drive the curable material from the mixing chamber. A plunger connected to the rod is then advanced through the mixing chamber to force the mixture out of the mixing chamber and deliver the mixture to the patient.

Abstract: Disclosed is a mixing mechanism. The mixing mechanism includes an auger, a fluid handling portion, and at least one discharge hole. The auger configured to receive granular materials from a granular material source and capable of moving the granular material along a predetermined path. The fluid handling portion is coupled to a fluid supply source and has an inlet within an interior section of the auger. The size and positioning of the discharge hole (or holes) along the auger are specifically configured to allow for optimum mixing of the materials prior to being discharged.

Abstract: A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a paddle for mixing the components in a mixing chamber and a piston that pushes the mixing cement into an attached delivery device. The system further includes a switch that disconnects the drive assembly that actuates the paddle and piston from its power source. The switch is automatically tripped by a follower that moves upon actuation of the drive assembly. Once the cement is mixed and transferred to the delivery device, the follower trips the switch to automatically deactivate the drive assembly.

Abstract: An apparatus and method for mixing two components and delivering the mixture to a patient. The apparatus contains a mixing chamber for mixing a liquid component and a powder component. The liquid component and powder component are mixed within the mixing chamber by rotation of a collapsible mixing element. A plunger is then advanced through the mixing chamber to force the mixture out of the mixing chamber and deliver the mixture to the patient.

Abstract: The device for storing, mixing, and dispensing components is provided with means for mixing (6) a first component (27) with a second, liquid component (28) and for dispensing the mixed materials. The individual components (27, 28) are stored in respective containers (2, 3) that are arranged side by side, and a valve assembly (8) is arranged in the transfer area (7) between the outlet area (26) of the container (3) for storing the second, liquid component (28) and the liquid inlet (25) of the container (2) for storing the first component (27). Such a device allows an unproblematic storage of the different components without a local separation of the containers and an efficient mix thereof. This applies especially if the first component is a powder or a granular or porous substance, e.g. bone cement or bone replacement material.

Abstract: The invention relates to a mixing appliance pertaining to a chemical or biochemical analyser and comprising a pipette having a head, a body and a free end. The head of the pipette is fixed to a head supporting block. The inventive mixing appliance comprises driving elements for triggering the oscillation of the free end of the pipette. Said driving elements consist of an actuating unit that is fixed to a frame, both elements being associated with a guiding block provided with an eccentric block that is mounted in such a way as to rotate freely about an axis and is in contact with the body of the pipette. The head supporting block is mounted in such a way as to rotate freely in the frame about an axis perpendicular to the plane in which the pipette oscillates.

Abstract: The invention is directed to a vertical feed mixer including a hopper for holding a composition to be mixed and having a hopper bottom, a vertically oriented mixing member positioned in the hopper and having a lower edge that is spaced from the hopper bottom, and a scraper movably connected to the mixing member and configured to engage the composition during operation of the mixing member and to be urged downwardly by the composition to the hopper bottom.

Abstract: A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a mixing paddle and a mixing shaft connected to the mixing paddle. A motor operatively engages the mixing shaft to rotate the mixing shaft and the mixing paddle to mix the components in a mixing chamber. The motor also operatively engages a transfer mechanism. After a predetermined mixing period has elapsed, the motor automatically actuates the transfer mechanism to transfer the mixture to a delivery device. The mixture is then delivered to a target site, such as a vertebral body of a patient or other anatomical site.

Abstract: The present invention relates to a mixing device for mixing a liquid, such as water, with an instant ingredient to form a beverage. The mixing device comprises a mixing chamber and a rotor which, during rotation about the axis of rotation, defines a surface of revolution extending along the circumference of the rotor. The rotor is arranged in the mixing chamber. The mixing chamber comprises a peripheral wall zone having a substantially circular cross section. The peripheral wall zone surrounds the surface of revolution. An outlet duct for discharging the mixture formed is connected to the mixing chamber. The inlet of the outlet duct is provided at the rotor. At least one rotor rib is provided at the peripheral wall zone. This rotor rib extends from the peripheral wall zone in the direction of the surface of revolution of the rotor.

Abstract: A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a mixing paddle and a mixing shaft connected to the mixing paddle. A motor operatively engages the mixing shaft to rotate the mixing shaft and the mixing paddle to mix the components in a mixing chamber. The motor also operatively engages a transfer mechanism. After a predetermined mixing period has elapsed, the motor automatically actuates the transfer mechanism to transfer the mixture to a delivery device. The mixture is then delivered to a target site, such as a vertebral body of a patient or other anatomical site.

Abstract: Mixing system comprising: a flexible bag with a mixing device comprising a magnetic impeller; and an alignment facilitation device adapted to facilitate alignment between the magnetic impeller and a magnetic driver located external to the system. Specific flexible bag and hardware therefore.

Abstract: An apparatus for mixing and dispensing a multi-component compound. The device includes a tubular body with an internal chamber for mixing the multi-component compound. Disposed within and extending beyond the tubular body is a rod having a mixing disc located near a distal end. Also disposed within the tubular body is a moveable piston with a central opening through which the rod may pass.

Abstract: A method of producing organic particles, containing: mixing a poor solvent for an organic material with a solution of the organic material in a good solvent, which is conducted by any among: [a] containing: feeding the poor solvent and the solution into a stirring vessel through liquid feed ports, respectively; mixing those under stirring in the vessel, to form the particles; and taking out the resultant liquid mixture containing the particles formed; [b] containing: providing a stirring zone in part of a container filled with the poor solvent; feeding the solution into the stirring zone; mixing the poor solvent and the solution under stirring, to form the particles; and making the particles flow out of the stirring zone into another zone; and [c] containing: mixing the poor solvent and the solution under applying shearing force.

Abstract: A device for blending and dispensing liquid compositions includes an arrangement of components that provide an efficient dispenser for home and personal use. The device may include a plurality of cartridges and a plurality of pumps. Each of the cartridges contains a liquid additive and may be removably attached to the dispenser. Each of the pumps is connected to one of the cartridges and can be activated to draw a desired amount of liquid from that cartridge. The device may also include a spinning element for both mixing and dispensing the liquid composition. The liquids may flow out of the cartridges to one or more inlets near the surface of the spinning element and be mixed as they flow over the surface of the spinning element. The spinning element may also be selectively movable from a closed position sealing the dispensing outlet to an open position that provides a pathway for liquid to be dispensed from the device.

Abstract: Apparatus and methods for mixing and dispensing components. The methods and apparatus of the invention are particularly advantageous to manually mix the components of radiopaque bone cement and inject the resulting radiopaque bone cement into skeletal structures. The manually actuated apparatus of the invention comprises: (1) a sealed mixing chamber for mixing components; (2) a dispensing chamber isolated from the sealed mixing chamber; (3) a controllable portal to open a flow path between the sealed mixing chamber and the dispensing chamber so that the dispensing chamber can receive the mixed components after they are mixed; and (4) a drive mechanism associated with the dispensing chamber to force the mixed contents from the dispensing chamber.

Abstract: A dynamic mixer includes a housing structure having a mixing chamber, having an inlet opening through which a material or materials to be mixed is passed into the mixing chamber and an outlet. A mixer rod has mixing rod portion disposed in the housing structure and a plurality of mixing paddle portions each having a mixing surface.. The mixing rod is adapted for attachment to a drive unit which imparts a rotational mixing force to the rod.

Abstract: An ice cream maker for making ice cream having a vessel, a motor being connected to a dasher in the vessel and a housing for housing the vessel and the motor. The housing has an inlet, an outlet and a valve at the outlet. When said valve is actuated, the ice cream is released from the vessel out of the outlet.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and deliver the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle and a mixing blade releasably coupled to the handle to mix the components of the bone cement. A quick-release connector and a release device are used to lock and unlock the mixing blade from the removable handle.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.

Abstract: A blender has a container body, a push plate, a blade assembly that is mounted on the push plate and a guide rod mounted to the container body and affixed to the push plate limiting the push plate to substantially vertical movement. A variety of well known lifting mechanisms can be mechanically actuated by the handle and can also be actuated by a squeeze mechanism where the handle travels linearly as opposed to rotationally. To overcome the stickiness drawback in blender container bodies, the present invention uses a push plate to push the contents out of the container body.

Abstract: The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer.

Abstract: A beverage mixer includes a container with a mixing assembly removably disposable on a base with a motor turning a drive mechanism engagable with the mixing assembly. A spout is operatively coupled to the container, and can include a valve operable to allow and restrict contents of the container and actuatable by an actuator. A cup indentation is positioned under the outlet opening of the spout when the container is disposed on the base. The cup indentation extends horizontally into the base and is formed by a perimeter of the base.

Abstract: Apparatus and methods for mixing and dispensing components. The methods and apparatus of the invention are particularly advantageous to manually mix the components of radiopaque bone cement and inject the resulting radiopaque bone cement into skeletal structures. The manually actuated apparatus of the invention comprises: (1) a sealed mixing chamber for mixing components; (2) a dispensing chamber isolated from the sealed mixing chamber; (3) a controllable portal to open a flow path between the sealed mixing chamber and the dispensing chamber so that the dispensing chamber can receive the mixed components after they are mixed; and (4) a drive mechanism associated with the dispensing chamber to force the mixed contents from the dispensing chamber.

Abstract: A beverage mixer includes a container with a mixing assembly removably disposable on a base with a motor turning a drive mechanism engagable with the mixing assembly. A spout is operatively coupled to the container, and can include a valve operable to allow and restrict contents of the container and actuatable by an actuator. A cup indentation is positioned under the outlet opening of the spout when the container is disposed on the base. The cup indentation extends horizontally into the base and is formed by a perimeter of the base. An air pump can be associated with the base, and an air line operatively coupled between the air pump and the container to assist dispensing contents of the container through the spout. An impeller associated with the mixing assembly in the container. The impeller forms an oblique angle oriented to drive contents of the container towards an opening in the container and out of the spout.

Abstract: This invention relates to a fluid driven agitator used in densified gas cleaning system, which comprises a hydraulic motor mounted to a cleaning vessel of the densified gas cleaning system, wherein the hydraulic motor comprises a fluid in-port for charging the fluid into the hydraulic motor from outside of the cleaning vessel, and a fluid out-port for discharging the fluid from the hydraulic motor out of the cleaning vessel. An output shaft of the hydraulic motor can be joined to a rotatable component, such as a rotary basket or an impeller, subjecting circulation of the fluid and resulting in stirring.

Abstract: The invention relates to a device for the discontinuous production of ice-cream from a liquid mixture. Said device comprises a processing container, in which at least one tool is mounted so that it can rotate and repeatedly apply the liquid mixture to and scrape the latter from the refrigerated interior wall of the processing container, a fill opening for the liquid mixture and a discharge opening for dispensing the ice-cream from the processing container. The longitudinal axis (L-L) of the processing container (10) is inclined at a first acute angle (&agr;) in relation to the horizontal (H) and the rotating tool (20) comprises spatulas which are configured and mounted in such a way that they continuously transport the ice-cream mass which forms to the discharge opening (15), lying at the lowest point of the processing container (10).

Abstract: A game feeder utilizes an improved feed dispensing mechanism that allows feed to enter the feed dispensing mechanism from the side. A game feeder utilizing the improved feed dispensing mechanism prevents access to the feed through the feed dispensing mechanism thereby eliminating the need to keep the game feeder out of the reach of wild animals.

Abstract: The invention relates to a method for the vertical mixing of gaseous, liquid, powdery and/or pasty products using, for example, a hollow shaft and inner shaft arranged in a housing, whereby paddle-shaped mixing tools are provided on the hollow shaft and on the inner shaft there is provided a discharge device arranged below an outlet of the mixer. The mixer is thereby completely filled in the operating state and the product and additives are pressed onto the inner wall of the housing by means of the mixing tools. The product flows continuously downwards under the force of gravity and acts against the partly backward-conveying paddles. The continuous product flow is regulated using a rotary slide valve provided at the outlet. The mixer is especially suitable as a dosing device and/or for lubricating extruder and/or expander products.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.

Abstract: An agitator assembly for agitating a substance in a container comprises a container, a magnetic drive device, and an agitator element. The magnetic drive device is disposed adjacent to an outside surface of a lateral wall of the container. The agitator element is disposed in the container and is magnetically coupled with the magnetic drive device for self-supported rotation about a central longitudinal axis. The agitator element includes an agitator body, a first magnet mounted at the agitator body, and a second magnet mounted at the agitator body and circumferentially spaced from the first magnet. The agitator element substantially centered about the central longitudinal axis and supported at a substantially constant axial position within the container by the magnetic drive device.

Abstract: The invention relates to a device (10) for producing and/or processing plastic material mixtures comprising a mixing head (11) which has one or several inlets (15) for the mixture constituents and in which a mixer (17) provided for mixing the constituents is rotationally driven. An outlet (22) is provided in the mixing head for ejecting the finished mixture. Said outlet can be closed or opened by the head of the mixer in the manner of a nozzle needle. To this end, the mixer is arranged in the housing (12) of the device such that it can be axially displaced. In order to prevent an abrupt opening or closing of the outlet, which can thus lead to losses in quality when using sensitive plastic materials, the invention provides that the raising and lowering of the mixer in the mixing head is effected via a mechanical cam drive (40) comprising at least one actuating cam (42) which interacts with a lifting element (60) that acts upon the mixer (17) or the shaft thereof (24).

Abstract: A mix head assembly including a mix chamber having a mixer rotatably mounted therein. The mixer extends for a longitudinal length and defines a multiple of vanes which agitate the fluid material components as the mixer is rotated. A plunger is movably mounted in the mix chamber relative to the mixer. As the plunger is driven relative the mixer, the plunger scrapes the fluid material off the mixer such that no remnants remain within the mix chamber.

Abstract: A device for mixing at least two substances, for example, two fluids, includes a mixer housing having a mixing chamber, in which a mixing tool is situated. The mixing tool may be actuated like similar to a plunger with linear motion and has a connection for an actuating device.

Abstract: A kneading device adapted for preparing calcium phosphate-based cement and for applying the cement directly to a required site which comprises a cylinder 1 which includes a hollow cylindrical body portion 11 and a nozzle 12 formed at the distal end of the cylindrical body portion; a plug 2 having an axial through-hole 21 slidably disposed within the proximal end of the cylindrical body portion; a piston assembly 3 which includes a shaft 31 extending through the through-hole 21 of the plug 2 for axial and rotatable movement, a kneading element 32 at the distal end of the shaft 31 within the cylindrical body portion, and a handle 34 formed at the proximal end of the shaft 31 external of the cylindrical body portion; a cover member 4 attached to and forming a closure for the nozzle 12; and a stop member 5 for locating the plug 2 in position at the proximal end of the cylindrical body portion.