EP1027165B1 - Verfahren zum ausbringen von wenigstens zwei verschiedenen medien und spender dafür - Google Patents
Verfahren zum ausbringen von wenigstens zwei verschiedenen medien und spender dafür Download PDFInfo
- Publication number
- EP1027165B1 EP1027165B1 EP98952735A EP98952735A EP1027165B1 EP 1027165 B1 EP1027165 B1 EP 1027165B1 EP 98952735 A EP98952735 A EP 98952735A EP 98952735 A EP98952735 A EP 98952735A EP 1027165 B1 EP1027165 B1 EP 1027165B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- dispenser
- medium
- needle
- actuation
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 10
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 3
- 229940127557 pharmaceutical product Drugs 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000002427 irreversible effect Effects 0.000 claims 1
- 210000004877 mucosa Anatomy 0.000 claims 1
- 239000003708 ampul Substances 0.000 abstract description 25
- 238000003860 storage Methods 0.000 abstract description 23
- 239000007921 spray Substances 0.000 abstract description 6
- 239000013543 active substance Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 15
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- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 210000004379 membrane Anatomy 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 210000001331 nose Anatomy 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
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- 239000011872 intimate mixture Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000006266 hibernation Effects 0.000 description 1
- 238000002483 medication Methods 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- 239000003755 preservative agent Substances 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0078—Arrangements for separately storing several components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
Definitions
- the invention relates to the application of media, in particular pharmaceutical products in atomized jet or Teardrop shape according to claim 1 and a dispenser therefor according to claim 6.
- WO 96/24439 shows a disposable dispenser in which one containing a liquid medication through a rubber stopper sealed glass ampoule inserted into a sleeve is in via a predetermined breaking connection with a donor Connection is established.
- This has a protruding nose adapter with an atomizing nozzle at the end.
- a central one Shaft or stamp inside this adapter carries in the In the middle is a needle that is pressed in by manual pushing the sleeve in the adapter pierces the rubber plug. The shaft then pushes the rubber plug in as a piston the ampoule into it and thus generates the application pressure.
- This disposable atomizer is very reliable and for that Application of liquid medication ideally suited especially for those who are absorbed very quickly by the body should be, e.g. through the nasal mucosa, too Intolerance to the digestive tract associated with oral Admission could be avoided. However, there is Medications that are not stable in liquid form for long periods are.
- US 3,756,390 relates to an injection syringe, the two spaces separated by a perforated film for Has liquid and powder. Includes the powder chamber In the nozzle, after removing a protective cap, a needle can be used. After breaking the release film the two media are mixed together. After that the protective cap removed, the needle inserted and after the Air-out spraying performed the injection. A similar The procedure is in US 3,595,439 A for a mixed cartridge for dental 2-component material.
- GB 1 453 591 describes an ampoule which is pierceable End plug for a liquid chamber and has an intermediate plug to a powder chamber. At the Inserting a needle, for example on a drip the intermediate plug is pushed out, so that both media can mix with each other. By An extra channel can then be added to the mixture in the drip chamber enter.
- JP 8-280807 A shows an adapter that is one of a Has aluminum foil sealed liquid chamber. This can be placed on a container of freeze-dried Pharmaceutical are put on. On the other side of the an adapter sealed with a screw cap Pump atomizer can be plugged on, with its suction tube punctures the aluminum foil and so liquid chamber and Powder container connects together. This from three separate Dispenser to be joined before use not very helpful for uncomplicated use.
- the object of the invention is a method and a dispenser to apply at least two different media create with which also solid-state media reliable and can be dosed and applied specifically.
- the invention provides a method in which a liquid as a carrier medium for a particulate solid medium is used and the separately stored media only be mixed together before they are applied.
- particulate solid medium is to be understood that it is not as a gas, liquid, paste or in massive Shape, but usually dry with some Flowability or flowability is present, in particular is powdery to granular. So it's possible keep the two media separate from each other, whereby the active ingredient mostly in the particulate medium dry form may be present. It can e.g. is a pharmaceutical product that is in the form of a freeze-dried powder is present.
- a liquid which serves as a carrier medium it can either be a slurry (Dispersion) or a solution that is then applied together, preferably as a spray, but also as a drop or jet.
- the advantage that the product is in the dry powder form is more durable, the advantage arises that the Liquid can be chosen so that the absorption by the mucous membranes are particularly encouraged. On preservatives can be dispensed with.
- the particulate solid medium should best be powder, but at least flowable or free-flowing and be easily miscible with the liquid, so in the relative short, available time an intimate mixture or even solution in the liquid is possible. But it is possible that the particles also in the form of so-called Microcapsules are present, i.e. from a skin covered Ingredients exist.
- the most direct and immediate application after mixing is possible if the liquid is under a discharge pressure introduced into the solid medium and the resulting Mixture is output under this application pressure. It is but also possible to mix in one application immediately upstream mixing phase. Thereby can e.g. be made sure that all liquid first introduced into the space containing the solid medium before the application starts. This can be particularly true solution-active mixtures already for a solution, at least but for a good slurry of the solid medium in the Provide liquid.
- the liquid acts as a carrier for the solid, but can also be pharmaceutical Have effects or contribute to them.
- the solid state medium is mostly the space in which it is stored is not complete to complete. This becomes a partially relatively large volume share of gas, for example of air or one that Stabilization of the product-promoting inert gas.
- this gas can with the introduction of the Liquid are compressed, so that finally when Spreading, i.e. opening the solid-state memory or a certain initial pressure already exists in a mixing room, e.g. ensures good atomization right from the start.
- a dispenser which has a liquid space, Pressure generating means for generating an application pressure and for conveying the liquid into one of the liquid space separate media storage for a powdered or free-flowing solid medium and an outlet opening for the mixture.
- the pressure generating agent it can are a piston pump, the cylinder of which Liquid space can be.
- liquid space and the media storage before actuating the dispenser externally and against each other keep tightly closed and only by actuation to connect both with each other and with the outlet opening. This can be done by piercing membrane-like pistons or Container walls, by lip valves or the like.
- each dispensing batch has a separate one Have containers of one at a time or in a few consecutive Operations is carried out, the Opening of a media room mostly through a thin hollow needle, for example, a steel needle made by beveling is sharpened and usually a very small one Has a diameter of less than 1 mm. It is in a shaft added, which usually also the pierceable piston in the Push cylinder in.
- a metal adapter which as a relatively thick solid metal ring was attached to the outside of the needle. He enabled one Attacking an assembly tool and was using a annular locking teeth pressed into the shaft (cf. WO 96/24439). This arrangement has been tried and tested because of the reliable assembly without damaging the sensitive Top considered inevitable. It requires however, the metal adapter as a separate part, what the cost and also the metal content in the otherwise almost sorted disposal dispenser increased.
- the dispenser 11 shown in FIGS. 1 and 2 is a disposable atomizer, who delivers his entire batch in one stroke.
- a housing 12 which has an elongated adapter section 13 has. It protrudes from an oval top view epaulette-like actuation shoulder protruding on two sides 14 of the housing out in the middle. On the shoulder 14 includes an opposite one to the adapter Housing jacket 15, one each on its flatter sides Actuating cutout 16 has.
- actuating cutout 16 Through the actuating cutout 16 is the actuating surface 17 a sleeve 18 accessible with a finger, the one Glass ampoule 19, supported by webs 20 in the sleeve, receives which contains a liquid space 21.
- Sleeve 18 and Ampoules 19 have the shape of elongated, deeper, circular cylindrical Container.
- the liquid space 21 in the ampoule 19 is through one a sealing plug 26 completed, the sealing on the circular cylindrical wall of the liquid space 21 abuts. It is relatively elongated and has central from each of its end faces Recesses 28, which are separated by a central web 29 are, which forms a pierceable membrane.
- the sleeve 18th and the ampoule 19 protrude centrally and centrally into the interior of the adapter 13 and are there with the outer wall of the Sleeve 18 and an upper flange 30 of the ampoule 19 lateral webs 31 in the interior 25 of the adapter 13, namely over the length of an actuation path.
- a piston tappet 34 is over a ring 32, the material bridges forming predetermined breaking points 33 connected to him, recorded the inside the adapter 13 centrally until just before the ampoule 19 or its plug 26 is enough.
- a connecting channel 35 runs, which connects to the inner channel 36 a hollow plunger 37 connects, which consists of a steel needle exists, on which, facing the plug, by bevel a tip 38 is formed.
- the steel needle is in one relatively massive metal adapter ring 39 added to the outside has an annular, barb-like toothing. With this is in a connection to the connecting channel Opening 40 is pressed into the piston skirt 34.
- the connecting shaft 34 is above its predetermined breaking ring 32 of sealing means provided in the interior 25 of the adapter 13 Guide lips 41 guided and sealed.
- a sealingly attached, forming the end of the adapter 13 End cap 42 is an annular space around shaft 34 formed, the media storage 43 for a solid-state medium, for example, forms a powder.
- an outlet opening 44 is provided in the center, which as Spray nozzle is formed. It creates a conical one Spray jet with the help of vortex channel formation 45 on the front End of the shaft 34. This lies against the in operation Inside of the outlet nozzle 44. Spirally trained Channels cause a swirl of those flowing through them quickly Liquid or mixture.
- outlet chamber 46 is formed which is opposite the media store 43 sealed by sealing lips 47 of the end cap 42 is.
- the outlet chamber contains adjacent to the Sealing lips overflow channels 48 in their cylindrical wall.
- the connecting channel 35 in the shaft 34 ends in lateral, openings 49 formed by a transverse channel on the Shaft surface.
- the liquid space 21 is filled with a liquid designed to when flowing out with a particulate solid medium to mix in the media storage 43 to solve this or untangle or disperse it together with to apply the liquid.
- the solid state medium is one pharmaceutically active substance, mostly in powder form.
- the Liquid mostly consists of water, which in sterile and possibly physiologically adapted to the body fluid Form is present. But there are also other liquids or possible liquid additions that are also effective of the solid-state medium promoting or triggering properties may have. It can have a two-component effect arise between the liquid and the solid medium.
- Fig. 1 and 2 is in the packaging, Storage and sales status in the shown in Fig. 1 Position.
- the liquid space 21 is with the liquid 50 filled and sealed by the plug 26.
- the plunger 37 is just above the web 29.
- Im Media storage 43 is the solid-state medium 51, but at the same time usually an even larger amount of air, the one hand through the spaces between the particles is conditional, but may also be present, so that the particles are not filled in too compactly Need to become.
- the media storage 43 is through the sealing lips 41 and 47 and the corresponding cylinder surfaces of the Shaft 34 tightly sealed to the outside and inside.
- the elongated adapter is used to use the dispenser 11 13 brought into the appropriate dispensing position, for example inserted into a nostril.
- the user takes hold of the Dispenser by placing two fingers on the shoulders 14, while pressing the thumb on the operating surface 17 suppressed. It must first have a relatively high operating pressure exercise to the predetermined breaking points that the material bridges 22nd form between the ring 23 and the sleeve 18 to destroy. These also ensure tamper evidence.
- the sleeve / ampoule 18/19 moves upwards, i.e. into the interior 25 of the adapter 13.
- the needle-like Tappet 37 pierces the web 29 in the plug 26 and the lower end face 52 of the shaft 34, the one somewhat has a smaller diameter than the liquid space 21 on the end face 53 of the sealing plug 26. This thereby forms the piston of a thrust piston pump, the Cylinder from the liquid chamber 21 or the glass ampoule 19 is formed.
- the pressure of the stem 34 on the plug / piston 26 generates the necessary application pressure, which the liquid passes through the needle 37, the connecting channel 35 and the openings 49 in promotes the media storage 53.
- There she mixes with solid state medium 51 e.g. by designing the Media storage and / or the openings 49, for example through their inclination to create a swirl, can be promoted. Then the resulting mixture applied from the outlet opening, especially in a fine spray Shape.
- the sealing lips 47 form together with the upper piston section 47a or the groove 54, the exhaust valve.
- the dispenser is designed to be used with a single, however here two-stage actuation stroke the whole in it batch of Apply solid medium and liquid.
- An ampoule 19 is accommodated in the sleeve 18, which is longer is than that of Fig. 1. It contains in axial succession both the liquid space 21 and the media store 43a. Accordingly, there is 19 in the ampoule except for the sealing piston sealing the media reservoir 43a here 26 a the liquid space 21 from the media storage 43a separating intermediate piston 55, the one shown in Fig. 3 Hibernation locks the two rooms apart. To connect them is a in the wall of the ampoule 19th molded connection channel 35a provided, the outlet in the media store 43a, however, in the idle state from the intermediate piston 55 is completed.
- the shaft 34 is in a nozzle section 56 of the adapter 13 used sealingly, the one piece with the housing 12th (and thus with the adapter 13) is formed.
- the hemisphere Adapter end 57 is also integral with this formed in which the nozzle-shaped outlet opening 44th is provided.
- the shaft contains on its upper face the spinal channel formation interacting with the outlet nozzle 45.
- the plunger 37 is received in the shaft, which is formed by a steel needle, almost by the entire shaft 34 to just before its upper end face enough.
- the needle which is usually an outer diameter of less than a millimeter and a correspondingly small one Has wall thickness, as well as to form a sharp and burr-free 38 is very carefully sharpened, is without the 1 adapter 39 shown directly in a bore 58 of the Shaft inserted.
- This hole has one larger diameter than the needle 37, but this leads by e.g. four radially inwards from the inner wall of the bore projecting webs 59 which in the region of the end face 52 of the Start shaft 34 with an insertion bevel 60. You worry for exact centering and prevent buckling of the thin needle when inserting. They range from the free end of the Shaft up to a fitting bore 61, i.e. about the biggest and especially important for preventing buckling middle area of the needle.
- Needle 37 is pressed into a fitting bore 61, which are so dimensioned is that it allows a tight fit of the needle in it.
- a shoulder 62 in this fitting hole forms one upper stop for pressing in the needle.
- the fitting hole includes the upper end of the needle closely over a length that is greater than a multiple, e.g. Five times the outer diameter the needle.
- the fitting hole stands with its upper one End with the outlet chamber 46 in communication.
- the dispenser consists of very few parts.
- the shaft 34 into which the outlet opening 44 is directly molded is the shaft 34 with the needle mounted therein used.
- the donor is completed by the Unit sleeve / ampoule 18/19 with plug 26 and Intermediate piston 55 which is the liquid and media chamber split off.
- the assembly of the dispenser according to Fig. 3 is very simple.
- the annular adapter 39 according to FIG. 1 can be mounted.
- the Ribs 59 guide the needle as it enters bore 58, without opposing too much resistance in the longitudinal direction. Only when the needle is over most of its length is guided between the ribs, it enters the fitting hole 61 a where they are sealing and also mechanically against peeling is pressed in securely.
- the needle is how to get out of the Drawing recognizes only a relatively small part of theirs Length, usually less than a third, from the shaft 34 out. So the section most prone to buckling, which is in the middle of the needle when applying the force to press it into the fitting bore 61 already secured against buckling between the ribs.
- the sensitive tip 28 of the The needle is not damaged during the press-in process. Therefore is used with a tool that the needle of grips outside with a kind of collet (in the out of the shaft outstanding area), but also a center pin has, which engages in the needle bore and so the needle secures against pinching and damage to the tip.
- the pre-assembled shaft can then partially with its upper bevelled end pressed into the socket 56 become.
- the pre-assembled unit consisting of a sleeve and an inserted ampoule 19 is attached to the housing 12 via the snap lock 24.
- the ampoule was first with the liquid filled, whereupon the intermediate piston 55 attached and then the solid medium into the media storage above 43a was filled. After that, the plug became 26 put on.
- the predetermined breaking point 22 to achieve a sufficient initial pressure destroyed, which ensures that the user is actuating with a certain force and speed too really ends.
- An interruption would, for example, cause the atomizer to drip and possibly impair the mixture of substances or the prevent full spreading.
- the plunger 37 (needle) pierces the web 29 in the Piston 26 and opens it mainly through the interior the hollow needle 37 formed outlet channel 36 opposite Media storage 43a.
- the shaft 34 presses the piston 26 below and compresses that in the media storage 43a Solid state medium 51 and the air contained therein (or a corresponding inert gas). This also becomes the intermediate piston 55 pushed down and gives the connecting channel 35a free in the ampoule wall. This could also be caused by a corresponding elevation of this wall be formed, which then too would release an overflow channel on both sides.
- the liquid 50 flows from the liquid space 21 into the Media storage 43a mixes there with the medium 51 and with the appropriate discharge pressure via the needle bore 36 passed to the outlet opening 44.
- the glides Unit sleeve / ampoule 18/19, guided by the webs 31, in Inside 25 of the nose adapter 13 upwards.
- the air also forms one Pre-compression, which promotes the start of the atomization phase.
- the arrangement could also be made such that the medium is arranged in the area of the ampoule near the bottom and the liquid over it. In this case the First pour the liquid down, there with the Mix medium and then again through the liquid chamber flow through to the outlet. This can make a special one intimate mixture can be brought about.
- FIG. 4 shows a particularly simple embodiment.
- an ampoule 19 which are also made of plastic can and has the shape of a particularly deep bowl is a liquid piston 64 sealing with piston lips performed, in one piece at the lower end of a piston rod 65 is trained.
- a subsequent chamber 63 takes the ball on when pushed out and a spinal canal / nozzle assembly 80 similar to the nozzle 44 with swirl channel 45 ensures a beam distribution that promotes mixing of the media optionally with swirl and atomization in the media storage 43b.
- the piston rod 65 has a continuous central bore 66, in the upper Section as a closure valve a ball 67 is pressed.
- the upper end of the piston rod 65 is of a sleeve-like Overlapped adapter cap 13b, so that between the upper End face 68 of the piston rod 65 and the interior 69 of the Adapter cap 13b of the media storage 43c is formed.
- a Outlet opening 44 formed at the end of the adapter cap can be used as Spray or drip nozzle can be formed. It is from one tearable closure 70 closed, for example one sealed aluminum foil.
- the adapter cap 13b has lateral actuation shoulders 14b and reaches into the inside of the ampoule with its lower part 19 on, i.e. it leads to the cylinder wall 27. From the Wall of the adapter cap 13b notched spring tabs 71 form together with a groove in the cylinder wall 27 on the one hand a snap lock that secures the idle state and prevents the adapter cap 13c from being pulled off the ampoule, and on the other hand they provide the necessary build-up of operating force before the start of the operation. By a barb-like Execution can prevent peeling and the Measure the actuation force build-up in a predetermined manner become.
- This dispenser consists of a few relatively simple plastic parts, a piece of film and a small steel or Plastic ball. You could also by piercing or by Liquid pressure tearing membrane to be replaced.
- the liquid space 21 is filled with liquid 50 filled, the piston / piston rod unit 64, 65 inserted and then the adapter cap 13b, with the medium 51st filled, used.
- the Tear-off closure 70 torn off, so that the outlet opening 44 is open. Then, overcoming the pressure point, the generate the spring tabs 71, the piston 64 in the sleeve 19th (or vice versa). The resulting fluid pressure pushes the ball 67 out of the overflow channel 66 into the chamber 63. The liquid splashes with a swirl in the sharp Jet or atomized into the media storage 43b, mixed there with the medium 51 and emerges as a mixture of the Outlet opening 44 from.
- the individual rooms are also one below the other before being operated and completely closed off from the outside.
- the Zipper 70 could also be pressure dependent opening valve to be replaced, but what about a disposable dispenser is usually not necessary.
- Use exhaust valve that the user only after a Mixing phase is consciously opened, e.g. a rotary slide valve, by twisting the top section of the adapter cap 13, 13b is actuated relative to the rest of the housing. By the rotation could also be released a stop that the piston rod during the first actuation step (Mixing), prevented the mixture from being applied immediately.
- the time required to operate the rotary valve could e.g. ensure the solution of the powder in the liquid.
- the main difference is that of sleeve 18 and Ampoule 19 existing unit containing the media.
- An inner sleeve 19c is a piston-like seal in the sleeve used that has a pierceable membrane on its bottom 29c. This sleeve closes the liquid space sealing from above. It is by means of a predetermined breaking ring 32 inserted into the interior 25 of the nose adapter 13. The predetermined breaking ring works with material bridges 33 as described.
- the Inner sleeve 19c forms a cylinder for a storage / mixing chamber 43c, the upward from an inverted sleeve-shaped, serving as a piston plug 26c is completed.
- the liquid 50 is filled into the liquid space 21 and the solid medium 50 in the media storage 43c. This is closed by the plug 26c.
- the inner sleeve 19c is inserted into the sleeve 18 like a piston, which is the cylinder of a second thrust piston pump forms and closes the liquid space 21 on this dispenser upwards.
- the predetermined breaking lock 32 breached.
- the plunger 37c then penetrates through the membrane 29d and places over those formed in its cross-section Channels the connection between the liquid space 21 and the media storage 43d.
- the liquid space 21 reducing piston-like lower part of the inner sleeve 19c conveys the liquid 50 into the media storage space 43c which enlarges itself by being under the resulting Media pressure pushes the plug 26c up.
- Fig. 6 shows the end of this mixing phase, in which the liquid and the solid medium mix. she will ended in that, as Fig. 6 shows, the bottom of the inner sleeve 19c abuts the bottom 17 of the sleeve 18. Then it is only a common mixing room 43c is also present.
- the previously in Media room 43c existing air can vary depending on Resistance of the plug 26c more or less compress and maintain a basic pressure in the mixing chamber receive.
- the predetermined breaking closure 32 can be set so that the User when he reaches the position shown in Fig. 6 has to apply new, increased pressure. Thereby it is ensured that there is sufficient in the mixing chamber 43c Time to mix, if necessary dissolve the ingredients arises.
- the predetermined breaking lock 32 breaks thereafter, the needle 37 penetrates through the bottom 29d of the plug 26c, which is thereafter from the end face 52 of the shaft 34 is contacted and in the manner of a piston in one Pump sleeve forming inner sleeve 19c is pressed.
- the mixture 50/51 from the mixing chamber 43d the outlet channel formed by the needle bore 36 to the outlet opening 44 transported and there under the application pressure atomized or otherwise spent.
- the application phase could be described by means of Rotation to be released in addition to or instead of Breaking ring 32 to be limited in time. It is too possible, instead of the piercing needle, a rotary slide valve use that is opened by this rotation.
- the mixing phase of the Application phase is spatially and temporally separated, although everything essentially follows one another, so there is no danger that the solid medium in the Mixed phase is damaged. It is also possible to use both of these Distribute phases over two different actuation strokes instead of them, as in FIGS. 5 to 7, in two axially one behind the other horizontal lifting sections. It is also possible, by appropriate subdivision or succession of A batch premixed in two in a first stroke successive partial spreading strokes in order to for example, one drug in succession in both nostrils to apply to a patient. Also a multiple donor or reloadable dispenser as described above Principle is possible.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
- Fig. 1 und 2
- Längsschnitte durch einen Spender in zwei Arbeitspositionen,
- Fig. 3 und 4
- Längsschnitte durch andere Ausführungsbeispiele und
- Fig. 5 bis 7
- drei Arbeitsstellungen eines weiteren bevorzugten Ausführungsbeispiels, jeweils im Längsschnitt.
Claims (15)
- Verfahren zum Ausbringen von wenigstens zwei verschiedenen Medien durch manuelle Austragbetätigung,1.1 bei dem eine Flüssigkeit (50) als Trägermedium für ein partikelförmiges Festkörpermedium (51) verwendet wird und1.2 die gesondert, voneinander abgetrennt gespeicherten Medien (50, 51) durch die Austragbetätigung erst vor ihrer Ausbringung in einer Mischphase miteinander vermischt werden,
dadurch gekennzeichnet, dass1.3 die Mischphase und die Ausbringphase durch die Überwindung einer erhöhten Betätigungskraft voneinander abgegrenzt sind und1.4 die entstehende Mischung unter einem Ausbringdruck zerstäubt wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Festkörpermedium (51) partikelförmig, insbesondere ein gegebenenfalls zur Aufnahme durch Körperschleimhäute bestimmtes pharmazeutisches Produkt ist, und vorzugsweise in Form eines gefriergetrockneten Pulvers vorliegt.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Vermischung unmittelbar vor dem Ausbringen erfolgt.
- Verfahren nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine Zusatzbetätigung, wie das Verdrehen zweier Teile gegeneinander, zwischen Mischphase und Ausbringphase.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass beim Mischen ein ggf. zusammen mit dem Festkörpermedium (51) gespeichertes Gas mit der Einbringung der Flüssigkeit (50) verdichtet wird.
- Spender mit6.1 einem Flüssigkeitsraum (2) zum Speichern einer Flüssigkeit (50),6.2 Mitteln zum Erzeugen eines Ausbringdruckes und zum Fördern der Flüssigkeit zu einer Auslaßöffnung (44),
dadurch gekennzeichnet,6.3 dass ein Medienspeicher (43) für ein partikelförmiges Festkörpermedium (51) vorgesehen ist,6.4 dass Fördermittel zum Fördern der Flüssigkeit in den vom Flüssigkeitsraum (21) getrennten Medienspeicher (43) ausgebildet sind,6.5 dass Flüssigkeitsraum (21) und Medienspeicher (43) vor Betätigung des Spenders (11) nach außen und gegeneinander dicht abgeschlossen sind und erst durch die Betätigung über einen Verbindungskanal (35, 36, 66) miteinander und über einen Auslaßkanal (48) mit der Auslaßöffnung (44) verbunden werden. - Spender nach Anspruch 6, dadurch gekennzeichnet, dass die Druckerzeugungsmittel eine Schubkolbenpumpe enthalten, deren Zylinder vorzugsweise durch den Flüssigkeitsraum (21) gebildet ist, wobei insbesondere der Kolben (26) der Schubkolbenpumpe zur Bildung eines Einmal-Spenders unreversierbar ist und/oder zwischen Flüssigkeitsraum (21) und Medienspeicher (43) ein durch die Spenderbetätigung, insbesondere infolge des Ausbringdrucks, öffnen-des Absperrorgan (27, 29; 41) ausgebildet ist.
- Spender nach einem der Ansprüche 6 bis 7, gekennzeichnet durch Druckpunktmittel (23, 32, 71), die die Betätigung des Spenders vom Erreichen eines vorbestimmten Betätigungsdruckes abhängig machen, die vorzugsweise Sollbruchstellen (22, 33) enthalten und insbesondere sowohl für die Betätigung der Druckerzeugungsmittel als auch für die Öffnung des Medienspeichers (43) sowie die Förderung der Flüssigkeit in den Medienspeicher (43) vorgesehen sind.
- Spender nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass zur Verbindung der Medienräume bzw. -speicher miteinander und mit der Auslaßöffnung wenigstens ein Durchstechelement vorgesehen ist, das einen wenigstens einen Flüssigkeitskanal aufweisenden, nadelartigen Stößel (37) enthält, der vorzugsweise einen als Verschlußstopfen (26) ausgebildeten Kolben der Schubkolbenpumpe durchsticht und in einem Schaft (34) aufgenommen ist, der mit dem Kolben zu dessen Verschiebung in Kontakt kommt.
- Spender, nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass als Stößel (37) zum Durchstechen eines Verschlusses eines Medienraums (21) eine dünne hohle Stahlnadel, vorzugsweise mit einem Außendurchmesser unter 1 mm und einer abgeschrägten Spitze (38), vorgesehen ist, die adapterlos in einen sie tragenden Schaft (34) des Spenders (11) eingesetzt ist, wobei sie an ihrem von der Spitze (38) abgewandten Ende in eine Paßbohrung (61) dichtend eingesetzt ist, deren Länge größer, insbesondere wenigstens um das Zweifache größer, als der Nadel-Außendurchmesser ist, sie mit diesem Ende an einer die Einpreßlänge begrenzenden Schulter (62) in der Paßbohrung (61) anliegt und in ihrem Mittelbereich bis zu ihrem Austritt aus dem Schaft (34) über eine Länge, die dem Mehrfachen, vorzugsweise mehr als dem Fünffachen, des Nadelaußendurchmessers entspricht, zwischen Rippen (59) im Inneren einer größeren Bohrung (50) geführt ist, die an ihrem Anfang eine Einführschräge (60) für die Nadel aufweisen, wobei vorzugsweise das Innere der hohlen Nadel eine Aufnahme für einen Halterungs- und Füllstift einer Greifvorrichtung bildet, die die Nadel zum Einpressen von außen spannzangenartig ergreift.
- Spender nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass der Medienspeicher (43) durch einen an einem Auslaßkanal angeschlossenen Raum gebildet ist, der insbesondere durch einen bei der Erzeugung des Ausbringdruckes oder durch gesonderte manuelle Betätigung zu öffnenden Verschluß, z.B. ein Schieberventil (41, 47), abgeschlossen ist.
- Spender nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass der Flüssigkeitsraum (21) und der Medienspeicher (43a) axial aufeinanderfolgend in einem zylinderartigen Behälter (19) angeordnet sind und untereinander und nach außen durch bevorzugt verschlußstopfenartige Kolben (26, 55) abgeschlossen sind, wobei insbesondere zumindest einer der Kolben über eine von der Kolbenposition abhängige Schieber- bzw. Durchstechsteuerung einen Verbindungskanal (35a) zwischen Flüssigkeitsraum (21) und Medienspeicher (43a) öffnet.
- Spender nach einem der Ansprüche 6 bis 12, dadurch gekennzeichnet, dass zur Verbindung der Medienräume und zur Vermischung der Medien miteinander zumindest ein erster Betätigungshub bzw. Betätigungshubabschnitt und zum Ausbringen ein zweiter Betätigungshub oder -abschnitt vorgesehen sind, die insbesondere voneinander durch einen manuell gesondert betätigbaren Anschlag und/oder durch Druckpunktmittel (32) gegeneinander abgegrenzt sind.
- Spender nach einem der Ansprüche 6 bis 13, dadurch gekennzeichnet, dass die Medienräume (21, 43c) axial aufeinanderfolgend angeordnet sind, wobei vorzugsweise ein Trennelement (19c, 29c) zwischen ihnen verschiebbar angeordnet ist und/oder wenigstens einer der Medienräume (43c) zur zumindest teilweisen Volumenanpassung an das Volumen der Mischung, z.B. durch Verschiebung eines Kolbens (26c) vergrößerbar ist.
- Spender nach einem der Ansprüche 8 bis 14, dadurch gekennzeichnet, dass dem Verbindungskanal (35, 36, 66) zwischen dem Flüssigkeitsraum (21) und dem Medienspeicher eine Leiteinrichtung (80) für eine Beschleunigung, Verwirbelung und/oder Verteilung des in den Medienspeicher eintretenden Plüssigkeitsstrahls zugeordnet ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02027186A EP1297898B1 (de) | 1997-11-08 | 1998-10-22 | Spender mit Perforationsnadel für beim Austragen zu mischende Medien |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19749513 | 1997-11-08 | ||
| DE19749514A DE19749514A1 (de) | 1997-11-08 | 1997-11-08 | Verfahren zum Ausbringen von wenigstens zwei verschiedenen Medien und Spender dafür |
| DE19749513 | 1997-11-08 | ||
| DE19749514 | 1997-11-08 | ||
| DE19837127A DE19837127A1 (de) | 1997-11-08 | 1998-08-17 | Spender für Medien |
| DE19837127 | 1998-08-17 | ||
| PCT/EP1998/006712 WO1999024171A2 (de) | 1997-11-08 | 1998-10-22 | Verfahren zum ausbringen von wenigstens zwei verschiedenen medien und spender dafür |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02027186.2 Division-Into | 2002-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1027165A2 EP1027165A2 (de) | 2000-08-16 |
| EP1027165B1 true EP1027165B1 (de) | 2003-03-19 |
Family
ID=27217911
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98952735A Expired - Lifetime EP1027165B1 (de) | 1997-11-08 | 1998-10-22 | Verfahren zum ausbringen von wenigstens zwei verschiedenen medien und spender dafür |
| EP98965137A Expired - Lifetime EP1027166B1 (de) | 1997-11-08 | 1998-10-22 | Spender für mehrere vor dem austrag vermischte medien |
| EP02027186A Expired - Lifetime EP1297898B1 (de) | 1997-11-08 | 1998-10-22 | Spender mit Perforationsnadel für beim Austragen zu mischende Medien |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98965137A Expired - Lifetime EP1027166B1 (de) | 1997-11-08 | 1998-10-22 | Spender für mehrere vor dem austrag vermischte medien |
| EP02027186A Expired - Lifetime EP1297898B1 (de) | 1997-11-08 | 1998-10-22 | Spender mit Perforationsnadel für beim Austragen zu mischende Medien |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6626379B1 (de) |
| EP (3) | EP1027165B1 (de) |
| JP (2) | JP4411374B2 (de) |
| AU (2) | AU2047599A (de) |
| CA (1) | CA2307160C (de) |
| DE (5) | DE19749514A1 (de) |
| DK (2) | DK1297898T3 (de) |
| ES (2) | ES2222430T3 (de) |
| WO (2) | WO1999024171A2 (de) |
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| JP3108077B2 (ja) * | 1989-06-08 | 2000-11-13 | 住友製薬株式会社 | 製剤投与器 |
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| DE4005528C2 (de) | 1990-02-22 | 1998-01-15 | Pfeiffer Erich Gmbh & Co Kg | Austragvorrichtung für Medien |
| DE4008068A1 (de) | 1990-03-14 | 1991-09-19 | Pfeiffer Erich Gmbh & Co Kg | Austragvorrichtung fuer medien |
| GB2251898A (en) | 1990-11-29 | 1992-07-22 | D M W | Metered dose spray system |
| DK288590D0 (da) * | 1990-12-04 | 1990-12-04 | Michael Morris | Blandings/oploesnings-sproejte til cytostatika for medicinsk behandling af cancer patienter |
| FR2672957B1 (fr) * | 1991-02-14 | 1993-11-12 | Step Ste Tech Pulverisation | Pompe ou valve manuelle comportant un tube ou une tige coulissant dans son conduit d'admission. |
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| ATE164315T1 (de) * | 1992-12-15 | 1998-04-15 | Sanofi Sa | Vorrichtung zur vorbereitung einer lösung, einer suspension oder einer emulsion einer medizinischen lösung |
| DE69410854T2 (de) | 1993-03-08 | 1998-10-08 | Spruehventile Gmbh | Fluidabgabevorrichtung mit Pumpe zur pharmazeutischen Anwendung |
| US5395325A (en) * | 1993-03-10 | 1995-03-07 | Moreno; Saul | Double chamber disposable syringe |
| AU4642393A (en) * | 1993-06-18 | 1995-01-17 | Habley Medical Technology Corporation | Medication sprayer |
| DE4412041A1 (de) | 1994-04-08 | 1995-10-12 | Pfeiffer Erich Gmbh & Co Kg | Austragvorrichtung für fließfähige Medien, insbesondere für den Austrag in nur einem Hub |
| DE29601047U1 (de) * | 1995-02-09 | 1996-06-13 | Ing. Erich Pfeiffer GmbH, 78315 Radolfzell | Austragvorrichtung für fließfähige Medien, insbesondere für den Austrag in nur einem Hub |
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| DE19502725B4 (de) | 1995-01-28 | 2004-03-04 | Ing. Erich Pfeiffer Gmbh & Co Kg | Austragvorrichtung für Medien |
| ES2138321T3 (es) | 1995-02-09 | 2000-01-01 | Pfeiffer Erich Gmbh & Co Kg | Dispensador de medios fluidos. |
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| DE29507218U1 (de) | 1995-04-29 | 1995-06-29 | Wella Ag, 64295 Darmstadt | Aufsatz für einen Vorratsbehälter zum Abgeben von Teilmengen eines schaumförmigen Produkts |
| JPH08280807A (ja) * | 1995-04-18 | 1996-10-29 | Taisei Kako Kk | 用時溶解スプレー容器及び該容器を用いた用時溶解スプレー |
| DE29512760U1 (de) | 1995-08-08 | 1995-11-16 | Wella Ag, 64295 Darmstadt | Druckgasbehälter zum Abgeben von Schaum |
| DE19533979A1 (de) * | 1995-09-14 | 1997-03-20 | Alfred Von Schuckmann | Gerät zur dosierten, luftgetragenen Ausgabe von Substanzen |
| DE29516077U1 (de) | 1995-10-10 | 1997-02-06 | Maslanka, Harald, 78532 Tuttlingen | Sprühvorrichtung |
| DE19541594A1 (de) | 1995-11-08 | 1997-05-15 | Pfeiffer Erich Gmbh & Co Kg | Austrag-Einheit für Medien |
| DE19606703A1 (de) * | 1996-02-22 | 1997-08-28 | Caideil M P Teoranta Tourmakea | Austragvorrichtung für Medien |
| JP3697012B2 (ja) * | 1996-03-22 | 2005-09-21 | 株式会社三谷バルブ | 往復ポンプタイプの噴出器 |
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| FR2756811B1 (fr) * | 1996-12-06 | 1999-02-05 | Valois | Dispositif de distribution de produit fluide du type bicomposant |
-
1997
- 1997-11-08 DE DE19749514A patent/DE19749514A1/de not_active Withdrawn
-
1998
- 1998-08-17 DE DE19837127A patent/DE19837127A1/de not_active Withdrawn
- 1998-10-22 DE DE59804744T patent/DE59804744D1/de not_active Expired - Lifetime
- 1998-10-22 ES ES02027186T patent/ES2222430T3/es not_active Expired - Lifetime
- 1998-10-22 CA CA002307160A patent/CA2307160C/en not_active Expired - Fee Related
- 1998-10-22 ES ES98952735T patent/ES2194360T3/es not_active Expired - Lifetime
- 1998-10-22 EP EP98952735A patent/EP1027165B1/de not_active Expired - Lifetime
- 1998-10-22 EP EP98965137A patent/EP1027166B1/de not_active Expired - Lifetime
- 1998-10-22 DE DE59807579T patent/DE59807579D1/de not_active Expired - Lifetime
- 1998-10-22 EP EP02027186A patent/EP1297898B1/de not_active Expired - Lifetime
- 1998-10-22 DK DK02027186T patent/DK1297898T3/da active
- 1998-10-22 DE DE59811482T patent/DE59811482D1/de not_active Expired - Lifetime
- 1998-10-22 AU AU20475/99A patent/AU2047599A/en not_active Abandoned
- 1998-10-22 AU AU10316/99A patent/AU1031699A/en not_active Abandoned
- 1998-10-22 US US09/554,031 patent/US6626379B1/en not_active Expired - Fee Related
- 1998-10-22 WO PCT/EP1998/006712 patent/WO1999024171A2/de not_active Ceased
- 1998-10-22 WO PCT/EP1998/006711 patent/WO1999024170A1/de not_active Ceased
- 1998-10-22 JP JP2000520242A patent/JP4411374B2/ja not_active Expired - Fee Related
- 1998-10-22 DK DK98952735T patent/DK1027165T3/da active
-
2005
- 2005-10-18 JP JP2005302445A patent/JP4789089B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2222430T3 (es) | 2005-02-01 |
| CA2307160C (en) | 2009-05-05 |
| JP2006081917A (ja) | 2006-03-30 |
| EP1027165A2 (de) | 2000-08-16 |
| DK1297898T3 (da) | 2004-10-04 |
| CA2307160A1 (en) | 1999-05-20 |
| EP1027166B1 (de) | 2002-07-10 |
| JP4411374B2 (ja) | 2010-02-10 |
| WO1999024171A2 (de) | 1999-05-20 |
| EP1297898A3 (de) | 2003-04-09 |
| EP1027166A1 (de) | 2000-08-16 |
| DE59811482D1 (de) | 2004-07-01 |
| WO1999024170A1 (de) | 1999-05-20 |
| JP2001522717A (ja) | 2001-11-20 |
| ES2194360T3 (es) | 2003-11-16 |
| JP4789089B2 (ja) | 2011-10-05 |
| DE19837127A1 (de) | 1999-05-12 |
| AU2047599A (en) | 1999-05-31 |
| EP1297898B1 (de) | 2004-05-26 |
| US6626379B1 (en) | 2003-09-30 |
| DE59804744D1 (de) | 2002-08-14 |
| DE59807579D1 (de) | 2003-04-24 |
| AU1031699A (en) | 1999-05-31 |
| EP1297898A2 (de) | 2003-04-02 |
| DK1027165T3 (da) | 2003-07-21 |
| WO1999024171A3 (de) | 1999-07-15 |
| DE19749514A1 (de) | 1999-05-12 |
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