EP2384820A1 - Système de cartouche et tuyau de sortie pour un tel système de cartouche - Google Patents

Système de cartouche et tuyau de sortie pour un tel système de cartouche Download PDF

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Publication number
EP2384820A1
EP2384820A1 EP11003052A EP11003052A EP2384820A1 EP 2384820 A1 EP2384820 A1 EP 2384820A1 EP 11003052 A EP11003052 A EP 11003052A EP 11003052 A EP11003052 A EP 11003052A EP 2384820 A1 EP2384820 A1 EP 2384820A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
cartridges
cartridge system
closure
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11003052A
Other languages
German (de)
English (en)
Other versions
EP2384820B1 (fr
Inventor
Sebastian Vogt
Hubert Büchner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heraeus Medical GmbH
Original Assignee
Heraeus Medical GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heraeus Medical GmbH filed Critical Heraeus Medical GmbH
Publication of EP2384820A1 publication Critical patent/EP2384820A1/fr
Application granted granted Critical
Publication of EP2384820B1 publication Critical patent/EP2384820B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/52—Receptacles with two or more compartments
    • B01F35/522—Receptacles with two or more compartments comprising compartments keeping the materials to be mixed separated until the mixing is initiated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7174—Feed mechanisms characterised by the means for feeding the components to the mixer using pistons, plungers or syringes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/20—Mixing of ingredients for bone cement

Definitions

  • the invention relates to a cartridge system for mixing and applying a mixed material, in particular a medical cement, comprising two mutually parallel cartridges and a mixing chamber with an outlet opening, wherein the cartridges each comprise at least one opening in the cartridge walls, which connect the cartridges with the mixing chamber, and the cartridges each comprise a delivery piston for expelling output components of the mix from the cartridges through the openings, and a discharge tube for such a cartridge system.
  • Cartridge systems for mixing and applying a mix may consist of several components and are intended to ensure safe storage and secure closure for components in at least two cartridges prior to use. Immediately before the application of the mix, the cartridge system should be open safely and quickly, with a synchronous opening of the individual cartridges is desirable.
  • Reactive pasty two- or multi-component systems must be stored separately after their preparation until application in order to prevent premature, unintentional reactions of the components.
  • Cartridge systems for the application of pasty two- or multi-component systems have been known for decades. Exemplary selenium for the documents CH 669 164 A5 . EP 0 807102 A1 . EP 0 236129 A2 . DE 3 440 893 A1 . US 4,890,308 A . US 2009/062808 A1 . EP 0 787 535 A1 . WO 20061005 206 A1 . EP 0 693 437 A1 . EP 0 294 672 A . EP 0 261 466 A1 and EP 2 008 707 A1 called.
  • a simple but very effective principle is to close the cartridge head with a rotatable shutter ( EP 0 431 347 A1 , DE 2 017 292 A1 . US 3,215,298 A ).
  • the closure is unscrewed before application.
  • a discharge tube is screwed into a thread on the cartridge head or fixed with a, a thread nachreliendem pin system.
  • the disadvantage of this is that the user has to perform twice rotational movements until the paste material can be expelled.
  • the closure is unscrewed and the discharge tube is placed later. Between the opening of the cartridges and the insertion of the dispensing tube, especially when volatile substances are contained in the pastes, components of the pastes may evaporate.
  • the closure currently used very frequently is based on the fact that the wall material of the cartridge is made very thin at the cartridge head, so that this wall can easily be pierced. When piercing particles are removed from the wall, which thereby enter the pasty material.
  • the back of the cartridges is usually closed by moving pistons designed to expel the pastes during application.
  • aluminum cartridges can be used, which are closed with plastic piston and are pressed over the sealing aluminum cylinder, which are closed on one side, for sealing.
  • the aluminum cylinder which is closed on one side, is moved together with the piston with the help of extrusion guns to the front in the direction of the cartridge head and the paste is expelled.
  • contact of pastes with aluminum surfaces can be problematic.
  • a problem with paste systems containing monomers with high vapor pressure is in such a sterilization with gas, that after the actual sterilization, in the removal of the residual ethylene oxide by the action of vacuum, some of the monomers in the cartridges evaporated, while a gas phase form in the cartridges and thus can exert pressure against the pistons. This means that the pistons are undesirably moved in the direction of the cartridge bottoms and in extreme cases are expelled from the cartridges so that the pastes can flow out.
  • polymethyl methacrylate bone cements have been used in medicine for the permanent mechanical fixation of total joint endoprostheses. These are based on powder-liquid systems. Polymethyl methacrylate bone cements based on the use of cement pastes have also recently been proposed ( DE 10 2007 050 782 A1 . DE 10 2008 030 312A1 . DE 10 2007 052 116 A1 ). For such cements so far no suitable cartridge systems have been proposed.
  • An essential constituent of pasty polymethyl methacrylate bone cements is the monomer methyl methacrylate. This monomer evaporates easily and has a fairly high vapor pressure at room temperature. When using methylmethacrylate-containing pastes, it is therefore essential to note that in the event of vacuum, as in the case of degassing in the context of ethylene oxide sterilization, the cartridge pistons in the cartridges are moved through the vaporizing methyl methacrylate and in extreme cases can be expelled from the cartridges.
  • a generic cartridge system is based on the packaging of pasty multi-component systems in Schlauchbeutein ( WO 2010/006455 A1 ).
  • the sealed tubular bags are introduced into cartridges.
  • Tubular bags have the advantage that they are suitable for packaging pastes containing volatile components.
  • Tubular bags made of composite materials, such as aluminum composite bags, are particularly suitable for this purpose.
  • the opening of the tubular bag is made by cutting, which rotate when the dispensing tube is screwed in. As the blades rotate, the bags are cut open to provide openings in the cartridges for dispensing the contents. The pasty bag contents are then squeezed through these openings in the cartridges in the direction of the static mixer.
  • the object of the invention is thus to provide a cartridge system that is simple and inexpensive to manufacture, but at the same time ensures a safe and easy opening of the cartridges.
  • a secure storage and a secure closure for paste-like components in at least two cartridges before their use should be ensured.
  • the cartridge system should be able to be opened safely and quickly with as little effort as possible in order to enable simple application during operations and thus reduce or overcome the problems of the previous cartridge systems and their closure systems. So it should be developed a closure system, which closes cartridges for several components safely and allows a quick uncomplicated opening of the individual cartridges. When placing the dispensing tube as possible operator errors of the user should be avoided.
  • a closure displaceably arranged therein such that it closes the openings of the cartridges in a starting position and that the openings to the mixing space are at least partially opened in an end position of the displaceable closure, wherein the displaceable closure of the starting position is displaceable to the end position.
  • the mixing chamber is a hollow body, in particular a hollow cylinder, with hollow body walls, wherein the openings in the cartridges extend through the hollow body wall into the mixing space.
  • the mixing space between the cartridges is arranged, in particular such that the cartridge walls are partially executed with the hollow body wall in one.
  • the invention also proposes that the mixing space is arranged parallel to the cartridges.
  • a movable rod is arranged parallel to the delivery piston in the interior of the mixing chamber, which is fixedly connected to the delivery piston via at least one web and / or a plate, wherein the rod on the outlet opening side facing a locking means and in the mixing chamber a counter-locking means is mounted, which cooperates with the locking means of the rod such that a movement of the rod out of the mixing chamber and thus the delivery piston from the cartridges out clearly difficult, in particular prevented.
  • the cartridge walls and / or the mixing chamber walls have at least one slot starting at the bottom of the cartridge, which is arranged parallel to the cartridge axis, wherein the width of the slots or for receiving the webs or sufficient and the length of the or Slits in particular until at least half of the cartridge length ranges.
  • the invention proposes that the outlet opening is arranged in a cartridge system head, and the cartridge system head comprises a fastening means for fastening a dispensing tube, in particular on the inside of the cartridge system head, preferably a thread or a plurality of pins.
  • a stop preferably in the form of pins or webs, is arranged, which limits the movement of the displaceable closure towards the center of the mixing chamber and thereby the end position of the displaceable closure is defined.
  • displaceable closure is arranged in press fit in the mixing chamber.
  • displaceable closure is displaceable in the longitudinal direction of the mixing space.
  • the invention also proposes that the delivery pistons seal the cartridges tightly.
  • sealing means in particular sealing rings, are arranged at the openings of the cartridges to the mixing chamber.
  • the sealing means are intended to improve the sealing effect of the displaceable closure with respect to the openings in the cartridges, if the sealing effect of the displaceable closure by the interference fit should not be sufficient.
  • sealing means are arranged around the openings to the mixing space between the inner wall of the mixing chamber and the displaceable shutter in the starting position.
  • the displaceable closure comprises an extension in the form of a hollow body, in which openings are provided in the hollow body walls bearing against the side walls of the mixing space.
  • the displaceable closure is a compact body or a hollow body, in particular a hollow cylinder, with a closed side.
  • the displaceable closure is a cavity body which is open on both sides and a discharge pipe is displaceably arranged in the interior of the mixing space, wherein the discharge pipe is an open discharge pipe tip facing the outlet opening or extending out of it and an extension facing toward the cartridge bottom which extends in the direction of the Cartridge bottom is completely closed, comprises and the extension comprises openings in the side walls facing the cartridge walls, wherein in the interior of the dispensing tube, a continuous connection extends from the openings to the dispensing tube tip, in which preferably a static mixer is arranged, wherein the Outer diameter of the extension is less than or equal to the inner diameter of the mixing chamber and greater than the inner diameter of the closure, while the rest of the lying inside the mixing chamber discharge pipe has a smaller outer diameter than the inner diameter of the closure.
  • a stop in the cartridge system head is provided, in particular in the region of the outlet opening, and that the delivery piston and / or the discharge pipe can be acted upon by compressed air or compressed air.
  • a plate and / or at least one web is firmly connected on the bottom side with the delivery piston, and a locking means is connected to the plate and / or the at least one web, wherein the locking means extends into the mixing chamber and there in a Gegenarret istsstoff engages, so that movement of the plate and / or the at least one web and the delivery piston is blocked in the direction of the cartridge bottom and in the interior of the mixing chamber a Entarretiervoriques is provided which is fixedly connected to the sliding closure, so that when moving the displaceable closure into its Endpostition, a release of the locking means is carried out, so that a movement of the plate and / or the at least one web and the delivery piston in the direction of the cartridge bottom is possible.
  • the invention also relates to a dispensing tube for such a cartridge system, wherein the dispensing tube relative to a dispensing tube tip of the dispensing tube comprises an extension whose diameter is smaller than the inner diameter of the mixing chamber and which is adapted to the sliding closure upon insertion of the dispensing tube into the cartridge system head of the cartridge system to move, so that the openings of the cartridges are open at least partially.
  • the extension is a hollow body, in particular a hollow cylinder, with openings, wherein in the ready position of the dispensing tube in the cartridge system, the openings of the cartridges of openings in the extension are at least partially covered, so that the interiors of the cartridges with the Mixing room are connected through the openings.
  • the discharge tube comprises a fastening means, preferably pins or a thread, in particular an external thread.
  • the discharge pipe comprises a static mixer.
  • the discharge pipe is fixedly connected to the sliding closure, so that both form a common part of the Kartsuchenssystems.
  • Such a cartridge system and such a closure system can be made entirely from inexpensive plastic injection molded parts.
  • the cartridge system makes it possible to move the pistons synchronously in the cartridges when force is applied in the direction of the cartridge system head and thus to evenly press out the pastes so that the mixing ratio of the pastes to one another is ensured.
  • a further simplification and ensuring the operability of such a cartridge system results from the fact that a movement of the delivery piston can be reliably prevented under the influence of vacuum.
  • the mixing space is to be understood as meaning the area which is located between the at least two cartridges and the areas adjacent thereto. It extends from the cartridge bottom, ie the rear, bottom-side part of the cartridge system, to the outlet opening on the cartridge system head on the front side of the cartridge system, ie also includes the interior of the cartridge system head. Not everywhere in the mixing room, the mixture of the starting components of the mix must be done, but only in some areas of the same.
  • a mixing chamber which is connected with hoses to the cartridges, and therefore the mixing chamber is not in the geometrical sense exactly between the cartridges is also according to the invention.
  • a closure is to be understood, which is initially in the initial position by a fixed connection to the walls of the gap, for example, by thin bridges, if this solid compound has predetermined breaking points, which at a force Break on the closure and thus allow the movement of the closure under force.
  • the fixed connection or the fixed connections with the predetermined breaking points are provided from the openings of the cartridges in the direction in which the closure, when opening moves to an entry of particles of the fractures into the mix or into the starting components of the mix.
  • the end position in the sense of the invention is not to be understood as a final end position.
  • the displaceable closure can also be moved from the end position to the starting position and then the cartridges of the cartridge system can be refilled.
  • the cartridge system is reusable.
  • the starting position like the end position, is to be understood as one of at least two positions into which the displaceable shutter is displaceable.
  • FIG. 1 shows a cross-sectional view of a cartridge system (1) according to the invention with a mixing chamber (20) which is bounded by mixing chamber walls (21) and in an outlet opening (22) opens.
  • the mixing chamber (20) extends in the region between two cartridges (30) and is designed as a cylindrical hollow body.
  • the cartridges (30) are bounded by cartridge heads (31), cartridge walls (32) and a cartridge bottom (33). Inside the cartridges (30) are the starting components (not shown) for a mix to be mixed.
  • openings (40) which connect the interior of the cartridge (30) with the interior of the mixing space (20).
  • the outlet opening (22) is formed in a cartridge system head (50) having on the inside a Befest Trentsmütel (51) in the form of a thread or in the form of pins, which can also form a thread.
  • a displaceable closure (60) in the form of a solid cylinder is press-fitted in the upper, that is, in the end of the mixing space (20) facing the outlet opening (22).
  • the slidable closure (60) closes the openings (40) which connect the interior of the cartridges (30) to the interior of the mixing space (20).
  • the displaceable closure (60) can also have a closed lateral surface.
  • the cartridges (30) are closed in the direction of the cartridge bottoms (33) with delivery pistons (62).
  • the longitudinal direction of the cartridges (30) displaceable delivery piston (62) may be equipped with standard wiper lips and seals to ensure a tight closure of the cartridges (30).
  • the delivery pistons (62) are interconnected by a web (65) or a plate (not shown).
  • An additional web (66) which extends through the mixing chamber walls (21) and through the cartridge walls (32) may be provided inside the cartridge system (1).
  • a rod (70) is fixedly connected to the webs (65, 66) and projects into the end of the mixing chamber (20) facing the cartridge bottoms (33).
  • locking means (71) are mounted at the top of the rod (70).
  • counter-locking means (72) are mounted, which engage in the latching means (71).
  • the counter-latching means (72) are made of a flexible material, such as rubber.
  • the locking means (71) may be made of a normal plastic.
  • the rod (70) which is arranged in the longitudinal direction of the delivery piston (62) so that it is fixed to the webs (65) with one end, and a length of at least the length of the delivery piston ( 62). It is essential that the rod (70) is toothed on the side facing the cartridge head (31). The teeth are oriented so that the tips of the teeth point towards the bottom of the cartridge (33).
  • the rod (70) has a cross section smaller than the cross section of the mixing chamber (20).
  • a flexible detent (72) is arranged, which has a cross section smaller than or equal to the toothed rod (70). This means that the toothed rod can engage in this detent (72).
  • the detent (72) is arranged so that only a movement of the toothed rod (70) in the direction of the cartridge head (31) is possible. A backward movement in the direction of the cartridge bottom (33) is not possible.
  • the slidable closure (60) may be displaced towards the cartridge bottom (33) by the application of a force through the outlet opening (22).
  • the force may be applied by cinching a suitable discharge tube (not shown) into the outlet opening (22).
  • a stop (74) which is mounted in the form of pins on the inner walls (21) of the mixing chamber (20), prevents the sliding closure (60) are inserted deeper than to the stop (74) in the mixing chamber (20) can.
  • the stopper (74) defines the end position of the sliding shutter (60).
  • FIG. 2 shows a plan view of such a cartridge system (1) on the cartridge system head (50).
  • a look into the outlet opening (22) shows the mixing chamber walls (21), the fastening means (51) and in the middle the displaceable closure (60).
  • the cartridge heads (31) of the underlying cartridges (30) (in FIG. 2 not recognizable) attached.
  • FIG. 3 shows a plan view of such a cartridge system (1) from the direction of the cartridge bottom (33).
  • the mixing space (20) bounded by the mixing space walls (21) is flanked on both sides by the cartridges (30), of which only the cartridge walls (32) and the butts (62) can be seen in this direction open mixing chamber (20) is the rod (70) which projects into the interior of the mixing chamber (20).
  • the rod (70) and the delivery piston (62) are fixedly connected to each other by the web (65).
  • a slot (75) is provided in the walls (21, 32) of the mixing chamber (20) and the cartridges (30).
  • FIG. 4 shows a cross-sectional view of such a cartridge system (1) along the section (AA) in FIG. 1 .
  • the mixing chamber (20) which is bounded by the mixing chamber wall (21).
  • the delivery pistons (62) are constructed as hollow cylinders closed on both sides.
  • the rod (70) is arranged inside the mixing chamber (20).
  • the rod (70) and the delivery pistons (62) are interconnected by the web (66).
  • the cartridges (30) with the mixing chamber (20) connecting walls (21, 32) slots (75) are provided which allow movement of the web (66) and the web (65) inside the cartridge system (1).
  • FIG. 5 shows a side view of a cartridge system. Between the two cartridges (30), the mixing chamber (20) is arranged Actually, only the mixing chamber walls (21) or the cartridge walls (32) would be visible from the outside. On the head side of the cartridge system (1) of the cartridge system head (50) is arranged, while the cartridge bottom (33) of the web (65) is arranged.
  • FIG. 6 shows a plan view of a cartridge bottom of an alternative cartridge system for mixing a mixed material consisting of three components.
  • the cartridge system comprises three cartridges, of which only the cartridge walls (132) and the delivery pistons (162) can be seen from the direction of the cartridge bottom. Between the cartridge walls (132) is the mixing chamber (120), in the middle of which a rod (not shown) is arranged. The rod and the delivery piston (162) are fixedly connected to each other with webs (165). The entire cartridge system is enclosed by an additional sheath (179).
  • All described embodiments can be easily transferred to a cartridge system with three, four or more cartridges for mixing a mix with three, four or even more components.
  • the cartridges are expediently not to be designed with a cylindrical shape.
  • FIG. 7 shows a discharge tube (80) for an inventive cartridge system (1) in side view.
  • the discharge tube tip (81) At the upper end of the discharge tube (80) is the discharge tube tip (81), which serves to apply a mixed mixture.
  • Underneath is an external thread (82), with which the discharge pipe (80) can be screwed into the internal thread (51) of the cartridge system (1).
  • Openings (85) are provided in an extension (86) disposed thereunder.
  • the extension (86) has the same or a smaller outer diameter than the diameter of the mixing chamber (20).
  • the extension (86) beyond the scalp system head (50) can penetrate into the mixing chamber (20), moving the slidable closure (60) deeper into the mixing chamber (FIG. 20).
  • the openings (40) are opened to the mixing chamber (20).
  • the extension (86) is formed as a hollow cylinder and the openings (85) serve to not block the starting components to be mixed which pass through the openings (40) in the cartridge walls (32). The materials to be mixed thus pass both the openings (40) and the openings (85).
  • FIG. 8 shows a cross-sectional view of such a discharge tube (80) after FIG. 7 .
  • a static mixer 88 is provided inside the dispensing tube (80).
  • an extension (86) could also be formed by a rod terminating in a tee formed, for example, as an extension of the central axis of the static mixer (88). Such an extension (86) would then require no additional openings (85). Also, extension of the static mixer (88) beyond the thread (82) could serve as an extension (86).
  • FIG. 9 shows the upper (cartridge head side) part of a second cartridge system according to the invention with built-in discharge pipe (280).
  • the discharge tube (280) is completely installed in the cartridge system head (250), which can be seen from the fastening means (251) of the cartridge system head (250), which are formed here by pins, in the attachment means (282) of the discharge tube (280 ) to grab.
  • the extension (286) designed as a hollow body with openings (285) extends into the mixing space (220) so deeply that the displaceable closure (260) moves further away from its starting position into the interior of the cartridge system along the mixing space (220). is moved.
  • the displaceable closure (260) is constructed here as a hollow cylinder closed on one side. Thus, neither the mix, nor the output components can get into the cartridge bottom side part of the mixing chamber (220), the displaceable closure (260) on the discharge pipe (280) facing side is closed. It would also be possible to do that End of the extension (286) to construct such that it closes the complete cross section of the mixing chamber (220).
  • the end position of the slidable closure (260) is defined by a stop (274) in the form of a ring inside the mixing space (220).
  • the cartridges (230) are defined by the cartridge walls (232) and the cartridge heads (231), as well as by delivery pistons (in FIG. 9 not limited).
  • FIG. 10 shows a fourth embodiment of a cartridge system according to the invention in cross-sectional view.
  • the discharge pipe (380) is already integrated in the mixing space (320) of the cartridge system when the closure (360) is closed.
  • the discharge pipe (380) is not, as in the previous embodiments, introduced into the outlet opening (322) and fixed there, but from the direction of the cartridge bottom (333) in the direction of the outlet opening (322) pressed
  • the closure (360) is a hollow cylinder which press-tightly closes the openings (340) in the cartridge walls (332) and thus the cartridges (330) to the mixing space (320) in its initial position.
  • the inner diameter of the shutter (360) is larger than the outer diameter of the front part of the discharge pipe (380) facing the discharge pipe tip (381).
  • the apertured (385) extension (386) has an outer diameter greater than the inner diameter of the closure (360).
  • a step is provided between the extension (386) and the front part of the discharge pipe (380).
  • the extension (386) is a hollow cylinder with openings (385) open towards the discharge tube tip (381) and fully closed in the direction of the cartridge bottom (333).
  • a static mixer (388) Inside the discharge tube (380) is a static mixer (388).
  • the discharge tube (380) When a force is applied to the mixing chamber (320) of this cartridge system from the direction of the cartridge bottom (333), for example with compressed air, the discharge tube (380) is pushed in the direction of the cartridge system head (350). Once the leading edge of the extension (386) facing the dispensing tube tip (381) strikes the cartridge bottom end of the closure (360), the dispensing tube (380) also shifts the closure (360) into the cartridge system head (350). The movement of the closure (360) is limited by a stop (374) located at the top of the cartridge system head (350). In the end position of the closure (360), the latter completely releases the openings (340) and bears against the stop (374). At the same time, the openings (385) of the extension (386) cover the openings (340).
  • the static mixer (388) By means of the static mixer (388), the contents of the cartridges (330) in the discharge tube (380) are mixed to form a mix. Finally, the mixed mix is pushed out of the cartridge system by the discharge tube tip (381).
  • the shutter (360) is not pushed toward the cartridge bottom (333), but toward the cartridge system head (350) to expose the openings (340).
  • the ram pistons (362) may be interconnected by a ridge (not ganged) such that movement of the delivery pistons (362) is synchronized.
  • displaceable discharge tube (380) in the mixing chamber (320) in the longitudinal direction of the cartridges (330) displaceable discharge tube (380) is located, which contains a static mixer (388) and the cartridge on its side facing away from the cartridge system head (350) side of the outer diameter of the discharge tube (380) is smaller than the inner diameter of the closure (360) in the form of an open hollow cylinder, that on its side facing away from the cartridge system head (350) a hollow, perforated on the lateral surface cylinder as extension (386) is arranged on the the cartridge head (350) facing away from the cartridge is sealed gas-tight whose outer diameter is equal to the inner diameter of the mixing chamber (320), and that in the mixing chamber (320) above the openings (340) of the cartridges (330) pins and / or webs as a stop ( 374) having an inner diameter greater than or equal to the inner diameter of the sliding shutter (360).
  • the discharge pipe (380) is pressurized by pressurized gas from the direction of the cartridge bottom (333) towards the cartridge system head (350).
  • the displaceable closure (360) designed as a hollow cylinder is moved in the direction of the cartridge system head (350) until it abuts against webs or pins (374) on the cartridge system head (350).
  • This movement of the hollow cylinder (360) towards the cartridge system head (350) exposes the openings (340) of the cartridges (330).
  • the perforations (385) of the hollow, perforated cylinder (386) move towards the openings (340) of the cartridges (330). This will open the cartridges (330).
  • the movement of the discharge tube (380) may also be by mechanical force via the movement of rods, screws or bolts.
  • a fifth alternative embodiment of a cartridge system according to the invention is shown as a schematic cross-sectional view in FIG FIG. 11 shown.
  • a mixing chamber 420
  • openings 440
  • the cartridges (430) are sealed at the lower end by delivery pistons (462).
  • a closure (460) which is press-fitted in the mixing chamber (420) and completely closes the mixing space (420) in cross-section, also completely closes the openings (440).
  • the cartridge system includes a cartridge system head (450) by providing an internal thread (451) for attaching a dispensing tube.
  • the closure (460) is made up of two parts.
  • a closure member (461) serves to completely close the openings (440) in the initial position of the closure (460).
  • As a second part of the closure (460) comprises an extension (486), which is provided in all previous embodiments, not on the closure, but on the discharge pipe.
  • the extension (486) is designed as a hollow body closed on one side, which has openings (485) in the side walls.
  • the closure (460) in the mixing space (420) is pushed away from the outlet opening (422). If the dispensing tube comprises an extension below its external thread, which corresponds approximately to the length of the extension (486) of the closure (460), the closure is pushed as far into the mixing space (420) that the openings (485) of the extension (486) over the openings (440) in the cartridge walls (432) are in the end position of the closure (460). This is because the leading edge of the closure (460) facing the outlet opening (422) is located at the lower end of the internal thread (451) of the cartridge system head (450) in the home position.
  • Such a closure (460) is in FIG. 12 shown in perspective view.
  • Dergte closure (460) has a cylindrical geometry and is therefore suitable for a mixing chamber (420) with a cylindrical interior.
  • the closure (460) consists of two parts, namely the closure part (461) and the extension (486).
  • the extension (486) has a plurality of oval openings (485) that extend through the cylindrical wall of the extension (486).
  • FIG. 13 shows a dispensing tube (480) for such a cartridge system as shown in FIG. 11 is shown.
  • the dispensing tube (480) includes a dispensing tube tip (481), an external thread (482), and an extension (486).
  • the extension (486) which, when the discharge pipe (480) is installed in the cartridge system, makes contact between the closure part (461) and the discharge pipe (480), thus shares in this embodiment a part with openings (485). on the closure (460) and a part of the discharge pipe (480).
  • the extension (486) can thus be both part of the closure (460), as well as part of the discharge tube (480) within the meaning of the invention.
  • extension (486) of the closure (460) in the outlet opening (422) into or through or at least into the region of the internal thread (451) pass.
  • the lower edge of the external thread (482) would then hit an upper edge of the extension (486) of the closure (460) and thus move the closure (460) to the desired end position.
  • FIG. 14 A sixth performance example of a cartridge system according to the invention is shown in FIG. 14 as a schematic cross-sectional representationgtgt.
  • a closure (560) and the discharge tube (680) form a unit. Both parts are here firmly connected to each other via an extension (586).
  • the portion of the dispensing tube (580) further includes an ejection tube tip (581), a fastener (582), and a static mixer (588).
  • openings (585) are provided in the connection.
  • a cartridge system head (550) extending the mixing space (520) includes on the inside a fastener (551) which is engageable with the attachment means (582) of the discharge tube (580).
  • the fastening means (551, 582) may be, for example, internal and external threads. The two threads can already in the initial position of the closure (560) already partially mesh.
  • FIG. 15 shows a schematic representation of the side view of such a system closure (560) with firmly connected discharge tube (580).
  • demgten system is provided as a fastening means an external thread (582). Instead of desgten left-hand thread can of course also always come naturally a right-hand thread used.
  • openings (585) oval openings are again provided, can pass through the output components of the mixed material to be mixed into the interior of the discharge pipe (580).
  • the discharge tube (580) is rotated with an external thread (582) in the internal thread (551), while the cylinder jacket on the perforated extension (586) is moved towards the cartridge bottom and at the same time, the hollow body (560), which acts as a sliding closure and the has a closed lateral surface also moved towards the cartridge bottom until the perforations of the perforated extension (586) are over the openings (540) of the cartridges (530).
  • FIG. 16 shows a seventh embodiment of a cartridge system according to the invention in a schematic cross-sectional view.
  • a rod (670) is arranged on a closure (660), which is aligned by a centering device (690) in the center of a mixing chamber (620) formed as a hollow body.
  • a Entarretiervoriques (691) is provided in the form of a hollow cylinder.
  • the closure (660) closes openings (640) connecting cartridges (630) to the mixing space (620).
  • a cartridge system head (650) having a fastener (651) for attachment a discharge pipe.
  • the cartridge system head (650) is constructed as a hollow cylinder which forms an outlet opening (622) in the interior.
  • the cartridges (630) are closed by delivery pistons (662).
  • the delivery pistons (662) are connected to one another via a plate (695).
  • Two locking hooks (693) are connected to the plate (695) in such a way that the plate (695) can easily be pushed over the locking hooks (693) in the direction of the outlet opening (622), but not in the opposite direction via the locking hooks (693). 693) can be pushed away.
  • the locking hooks (693) could for example be constructed so that they are firmly connected to each other and through a hole in the plate (695), which is larger in diameter than the width of the two locking hooks (693), pass through and the locking hooks ( 693) are fixedly connected there to a second plate (not shown) whose diameter is greater than the diameter of the hole in the plate (695). But the locking hooks (693) can also be easily removed after removing the plate. It is also conceivable that the locking hooks (693) break off by the action of the unlocking device (691) or are at least partially irreversibly compressed, so that they can not subsequently engage again. Instead of the locking hooks (693), other locking means (693) can be used.
  • the locking hooks (693) are constructed of a flexible material so that they can be pressed together relatively easily.
  • a locking step (694) is arranged in the mixing chamber (620) so that the hooks of the locking hooks (693) can engage in the locking steps (694).
  • the hollow cylinder (691) arranged on the centering device (690) is pushed over the locking hooks (693), these bending perpendicularly to the longitudinal axis of the mixing chamber (620), and the locking pins locking hooks (693) move away from the locking stage (694) and thus the locking of the plate (695) is unlocked.
  • a variant of the invention is that an internal thread (651) or a snap lock is arranged on the side of the mixing chamber (620) facing the cartridge system head (650), that in the mixing chamber (620) a closure displaceable in the longitudinal direction of the cartridges (630) ( 660) is press-fitted closed on the side facing the cartridge system head (650) above its surface perpendicular to the longitudinal axis of the cavity (620), the slidable closure (660) being disposed over the openings (640) of the cartridges (630) in that the displaceable closure (660) is connected via a rod (670) to a circular or star-shaped centering disc (690), on the underside of which a hollow cylinder (691) is arranged, such that the hollow cylinder (691) has a smaller diameter than the inner diameter of the Mixing space (620) has, that at one end of an insertable discharge pipe, an external thread is arranged or a hollow cylinder with a pin for a e snap and that at the end of the external thread or the
  • cartridge system is understood to mean cartridges which are constructed from two, three, four, five or more cartridges (30, 230, 330, 430, 530, 630), the individual cartridges (30, 230, 330, 430, 530 , 630) are arranged parallel to each other.
  • the cartridges (30, 230, 330, 430, 530, 630) may be cylindrical hollow bodies. These are so-called side-by-side cartridges.
  • the cartridges may already be filled with starting components for a mix to be mixed, but may also be empty, d. H. that they are still with content, such. B. cartridges inserts must be filled.
  • the displaceable closure (60, 260, 360, 460, 560, 660) preferably has a closed lateral surface.
  • the advantage of the cartridge system is that all the openings (40, 240, 340, 440, 540, 640) in the cartridges (30, 230, 330, 430, 530, 630) can only be displaced by a sliding shutter (60, 260, 360 , 460, 560, 660) are closed.
  • This has a slightly larger cross section than the mixing chamber (20, 120, 220, 320, 420, 520, 620).
  • This means that the lateral surface of the displaceable closure (60, 260, 360, 460, 560, 660) is pressed against the inner wall of the mixing space (20, 120, 220, 320, 420, 520, 620) or its walls (21) becomes.
  • the slidable closure (60, 260, 360, 460, 560, 660) overlies the openings (40, 240, 340, 440, 540, 640) of the cartridges (30, 230, 330, 430, 530, 630), so these are closed.
  • the displaceable closure (60, 260, 360, 460, 560, 660) completely overlaps the openings (40, 240, 340, 440, 540, 640) in such a way that one more seal is required, closed lateral surface on the inner wall (21) of the mixing chamber (20, 120, 220, 320, 420, 520, 620) is applied.
  • the seal is due to the contact pressure by the close contact of the lateral surface of the sliding closure (60, 260, 360, 460, 560, 660) with the inner wall (21) of the mixing chamber (20, 120, 220, 320, 420, 520, 620 ) reached.
  • the openings (40, 240, 340, 440, 540, 640) of all the cartridges (30, 230, 330, 430, 530, 630) are opened simultaneously.
  • the cartridges (30, 230, 330, 430, 530, 630) are closed with delivery pistons (62, 162, 262, 362, 462, 562, 662), wherein the delivery pistons (62, 162, 262, 362, 462, 562 , 662) on the cartridge bottom (33, 333) facing away from each other by webs (65, 165,) or a plate (695) are interconnected.
  • a uniform expulsion of the pastes from all cartridges (30, 230, 330, 430, 530, 630) of the cartridge system is possible. This feature is essential if the pistons are to be moved by direct pressurization with compressed gas.
  • the extension moves in the direction of the cartridge bottom (33, 333).
  • a force is exerted on the displaceable closure (60, 260, 360, 460, 560, 660) in the direction of the cartridge bottom (33, 333).
  • the openings (40, 240, 340, 440, 540, 640) of the cartridges (30, 230, 330, 430, 530, 630) are exposed synchronously.
  • the perforations (85, 285, 385, 485, 585) of the extension (86, 286, 386, 486, 586) are located above the openings (40, 240, 340, 440, 540, 640) of the cartridges (30, 230, 330, 430, 530, 630).
  • the interior spaces of the cartridges (30, 230, 330, 430, 530, 630) are connected to the interior of the extension (86, 286, 386, 486, 586) designed as perforated hollow cylinders or perforated irregular or regularly shaped hollow bodies.
  • the displaceable closure (60, 260, 360, 460, 560, 660) is preferably designed as a hollow cylinder, wherein it is particularly preferred for the hollow cylinder to cover the entire cross section only on the side facing the cartridge head (39, 231) is closed.
  • the rod (70) during the movement of the delivery piston (62) in the direction of the cartridge head (31) can go a maximum way back.
  • the diameter of the tip of the rod (70) including the locking means (71) attached thereto is smaller than the inner diameter of the displaceable closure (60) designed as a hollow cylinder.
  • displaceable closure 60, 260, 360, 460, 560, 660
  • the displaceable closure 60, 260, 360, 460, 560, 660
  • a solid body or as a body that can be composed of several individual parts (460, 461, 486, 560, 580).
  • the slidable closure (60, 260, 360, 460, 560, 660) may be made of one or more materials, depending on the chemical stability requirements of the pastes and the desired slip characteristics.
  • pins, webs or a ring can be arranged as a solvent (74, 274, 374). They limit the maximum axial displacement of the slidable closure (60, 260, 360, 460, 560, 660) toward the cartridge bottom (33) or towards the outlet (322).
  • the elongated perforated hollow body (86, 286, 386, 486, 586) has a length in the longitudinal direction of the cartridges (30, 230, 330, 430, 530, 630) greater than or at least equal to the length of the openings (40 , 240, 340, 440, 540, 640) of the cartridges (30, 230, 330, 430, 530, 630). This ensures that the entire openings (40, 240, 340, 440, 540, 640) of the cartridges (30, 230, 330, 430, 530, 630) in attaching the discharge tube (80, 280, 380, 480, 580 ) can be exposed.
  • the holding means are spaced apart from the openings (40, 240, 340, 440, 540) in the longitudinal direction of the cartridges (30, 230, 330, 430, 530, 630).
  • the holding means (74, 274, 374) are necessary so that when the pastes are expelled, the displaceable closure (60, 260, 360, 460, 560, 660) can not be moved any further than was previously required when opening the cartridges (30, 30). 230, 330, 430, 530, 630) was necessary. This means that with the holding means (74, 274) and the formation of a non-usable dead volume to be prevented.
  • the cartridges (30, 230, 330, 430, 530, 630) may include one or more slots (75) from the cartridge bottom (33, 333) at least to half the cartridge length aligned parallel to the cartridge axis such that the mixing chamber walls (21) slits (75) aligned in the longitudinal direction of the cartridges (30, 230, 330, 430, 530, 630) and of the same length as the slots (75) of the cartridges (30, 230, 330, 430, 530, 630), wherein the number of slots (75) in the mixing space walls (21) is equal to the number of slots (75) in the cartridges (30, 230, 330, 430, 530, 630) and that the slots (75) the mixing chamber walls (21) are located above the slots (75) of the cartridges (30, 230, 330, 430, 530, 630) so that the interior spaces of the cartridges (30, 230, 330, 430, 530, 630) are in line with the Mixing chamber
  • the webs (65, 66, 165) have a cross-section smaller than the slots (75). This means that when the cartridges (30, 230, 330, 430, 530, 630) are pressed out, the webs (65, 66, 165) pass through the slots (75) in the cartridges (30, 230, 330, 430, 530). 630) in the direction of the cartridge system head (50, 250, 350, 450, 550, 650) can be moved.
  • the slots (75) serve as a guide for the webs (65, 66, 165) and thus for the delivery pistons (62, 162, 262, 362, 462, 562, 662) during the extrusion movement in the direction of the cartridge head (31, 231).
  • pin (251) as a fastening means (51, 251) are arranged, whose upper sides in the direction of the cartridge bottom (33, 333) are chamfered and that on the discharge tube (80, 280, 380, 480, 580) instead of the external thread (82) pins (282) are arranged, which are beveled at the bottom, so that the pins (251) of the hollow body (250) with the pins (282) of the discharge tube (280) form a snap closure.
  • a method for opening a cartridge system is characterized in that the discharge tube (80, 280, 480, 580) with its attachment means (82, 282, 482, 582) on the attachment means (51, 251, 451, 551, 651) of the Cartridge system head (50, 250, 450, 550, 650) is attached, at the same time arranged on the discharge pipe (80, 280, 480, 580) extension (86, 286, 486, 586) in the direction of the cartridge bottom (33) rotates and moves in the direction of the cartridge bottom (33) in the mixing space (20, 120, 220, 420, 520, 620) so that the displaceable closure (60, 260, 460, 560, 660) is moved in the direction of the cartridge bottom (33), whereby the openings (40, 240, 440, 540, 640) in the cartridge walls (32, 132, 232, 432) are exposed and the interiors of the cartridges (30, 230, 430, 530, 630) with the interior
  • the cartridge system according to the invention becomes packaging. Storage and application of pasty bone cements, dental multi-component preparations, adhesives, sealants, cosmetics and food used. Particularly suitable is the Mehrkompanentenkartuschensystem for the storage and application of pasty polymethyl methacrylate bone cements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Dispersion Chemistry (AREA)
  • Coating Apparatus (AREA)
  • Package Specialized In Special Use (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP11003052.5A 2010-05-04 2011-04-12 Système de cartouche et tuyau de sortie pour un tel système de cartouche Not-in-force EP2384820B1 (fr)

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DE102010019217.1A DE102010019217B4 (de) 2010-05-04 2010-05-04 Kartuschensystem

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EP (1) EP2384820B1 (fr)
JP (1) JP5502800B2 (fr)
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DE102010019217B4 (de) 2010-05-04 2014-01-16 Heraeus Medical Gmbh Kartuschensystem
DE102010019222B4 (de) 2010-05-04 2013-11-07 Heraeus Medical Gmbh Austragsvorrichtung für Kartuschen
DE102010019223B4 (de) * 2010-05-04 2012-02-16 Heraeus Medical Gmbh Kartuschensystem mit Druckgaspatrone
DE102010019224B3 (de) 2010-05-04 2011-10-13 Heraeus Medical Gmbh Austragsvorrichtung für pastöse Massen
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DE102012008815B4 (de) 2012-05-07 2014-03-06 Heraeus Medical Gmbh Mischvorrichtung für Mehrkomponentensysteme
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CN102241304A (zh) 2011-11-16
JP2011235961A (ja) 2011-11-24
US20110272436A1 (en) 2011-11-10
CA2737672C (fr) 2013-06-25
DE102010019217A1 (de) 2011-11-10
EP2384820B1 (fr) 2016-09-07
AU2011201857B2 (en) 2013-10-17
JP5502800B2 (ja) 2014-05-28
US9095871B2 (en) 2015-08-04
DE102010019217B4 (de) 2014-01-16
AU2011201857A1 (en) 2012-03-01
CA2737672A1 (fr) 2011-11-04

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