EP0829307B1 - Spender für Medien - Google Patents

Spender für Medien Download PDF

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Publication number
EP0829307B1
EP0829307B1 EP97115215A EP97115215A EP0829307B1 EP 0829307 B1 EP0829307 B1 EP 0829307B1 EP 97115215 A EP97115215 A EP 97115215A EP 97115215 A EP97115215 A EP 97115215A EP 0829307 B1 EP0829307 B1 EP 0829307B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
dispenser
set forth
medium
outlet
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
Application number
EP97115215A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0829307A2 (de
EP0829307A3 (de
Inventor
Stefan Käfer
René Dr. Bommer
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.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer 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 Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP0829307A2 publication Critical patent/EP0829307A2/de
Publication of EP0829307A3 publication Critical patent/EP0829307A3/de
Application granted granted Critical
Publication of EP0829307B1 publication Critical patent/EP0829307B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B11/01—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
    • B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
    • 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
    • B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
    • B05B11/062—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump designed for spraying particulate material

Definitions

  • the invention relates to a dispenser according to the preamble of the claim 1.
  • the media intended for discharge or distribution can be gaseous, be liquid, pasty and / or powdery.
  • the medium can already be within the Device upstream of the media outlet or when it exits be atomized. So even the smallest amounts of media form a very large effective one Surface.
  • the medium can be pharmaceutical, cosmetic or be a technical active ingredient. This is done by a manual, at least one Part of the donor's shortening actuation is carried out so that it is at the limit of the media outlet completely detaches from the discharge device.
  • a storage is provided for the medium, which already acts as a dosing chamber is filled in the manufacture of the device. He can also after every media release Refilled from a main storage similar to a pump chamber become.
  • multiple memories can be used axially one behind the other and / or in a ring-shaped row next to each other provided and in successive operating steps with pauses have to be emptied one after the other through the media outlet.
  • GB-A-1 488 719 shows a dispenser in which the memory is provided by a Powder cartridge to be placed on the outside of a hollow mandrel, although is elongated, but its storage space is acute-angled in the direction of flow is tapered and expanded again at the discharge end, so that a Storage with a relatively large diameter and frustoconical End results.
  • the object of the invention is to create a dispenser for media, which disadvantages of known training are avoided and with which in particular even the smallest amounts of media are securely stored and essentially can be carried out completely.
  • the Storage or its space accommodating the medium is very elongated Form, whose width or diameter is less than 5, 3 or 1 mm may be such that the medium contained therein is in the form of a long thin one Pen accepts.
  • the inside width of the cannula can be four or four Correspond to six times its wall thickness and the length of the cannula or Storage space can be four or six times its internal width, where these values can represent maximum or minimum values. expedient is the wall thickness over the circumference and the length of the storage body constant.
  • the storage body can be easily through a section a cylindrical hollow needle made of plastic, steel, such as stainless steel, transparent Material, such as glass, or the like can be formed, so that a very simple manufacture results.
  • the storage body contains regardless of the medium non-polymeric or non-glass material such as metal or the like.
  • a body of the device that is movable relative to the media outlet be provided which a closure in the course of the actuating movement a chamber opens, e.g. by stitch.
  • the space of this chamber can be immediate adjoin the stored medium, the opening body or at least partially record the memory and as Pressure chamber to be formed, which before opening There is overpressure.
  • the opening body can go straight through the memory be formed.
  • an overpressure is built up, which is permanent also on the stored medium from each other Sides can act here, so that the flowable medium opposite the flow initially no flow movements performs.
  • the medium is at a relieves the pressure from the sides mentioned and at this Side with the media outlet easily interposed Valve connected to the line, so that the still on on the other hand, effective media pressure from the memory and suddenly flows out through the media outlet.
  • the memory essentially completely and for the most part without contact within a pressure or pumping chamber of a fluid pump, such as a gas or air pump is arranged so that at least one operating position or in all operating positions one or more storage inlets for the fluid and / or a memory outlet for the medium is connected to or in the pressure chamber prevailing pressure.
  • a fluid pump such as a gas or air pump
  • the memory or a other spike can then the movable chamber closure, for example a thrust piston, in the course of the actuation movement penetrate from the inside so that its memory outlet sealed outside the pressure chamber and that in the Fluid inlet now inflowing the medium straight through the memory outlet.
  • Both the medium and the fluid can be packaged sterile and sealed pressure-tight within a storage unit be provided that in the media outlet Basic body first without opening the storage spaces in the Starting position and then by pressing is to be emptied.
  • This basic body does not require any immediate opening member, like one Prick, a needle or the like, since this opening member is already part of the storage unit.
  • Each of the two stores in particular the fluid store, can also be a unit prefabricated with the base body form and stuck with an inhibition so with the body be connected that he only after applying an operating force is movable relative to the base body much larger than that immediately afterwards via the Actuating force to be applied is the remaining distance.
  • the inhibition which is also a safeguard against withdrawal Snap connection could be useful through a Breakage point formed, so that a one-piece training of the storage body with the base body is possible.
  • the media storage can also be attached to one of the storage bodies for the fluid or separate from another support body Holding body be provided and with this a pre-assembled Form unit that can be replaced on the support body fasten when it is in the starting position.
  • the discharge device or the dispenser 1 has two against each other axially linearly displaceable units 2, 3 as Discharge operation, which essentially covers the entire Form device and of which the unit 2 in all Operating positions permanently completely within the Unit 3 can be.
  • a base body 4 and the unit 3 one Base body 5, each with an exposed Handle 6, 7 are provided for manual actuation.
  • a memory 8 Completely within the base body 4.5 and close to adjacent Handle 6 is a memory 8, namely a needle-thin tube provided which is contact-free with most of its length within a storage 9 for a gaseous Fluid lies. All components are in an axis 10 provided and except for the body 5, 8 rotationally symmetrical.
  • the inner tube surface of the memory 8 defines a cylindrical one Storage chamber 11 for a medium like powder so packed tightly in the memory 8 that its fluidity compared to its relaxed state significantly reduced, namely so tough that it has no external Action cannot flow by itself.
  • One in volume at least a hundred or two hundred times larger chamber 12 for the fluid forms the memory 9.
  • the chamber 12 is in the Area of the memory 8, the periphery of which it borders, in Cross-section coaxially ring-shaped.
  • the base body 4 or one another body is as a support body 13 for the memory 8 provided and sealed to the bottom bearing the memory 8 locked.
  • the body 4, 13 has a tubular Jacket 14 with a constant inside and / or over its length External cross-section, which is made of transparent Material can consist that the memory 8 radially from the outside is visible.
  • a closure and holding body 15 attached, which with a compared to its diameter at most as long a section tight and tight in the inner circumference of the jacket 14 is inserted and over a ring shoulder on the lower End surface of the jacket 14 with an outer end portion is present, the outer circumference of an equally wide continuation of the The outer circumference of the jacket 14 forms.
  • the lid 15 could also formed in one piece with the jacket 14 or by a Snap connection or the like interchangeably arranged his.
  • the bodies 8, 15 are at a distance a closure or piston 16 opposite, in the starting position completely within the chamber 21 or the jacket 14 is located and a distance from has the upper end of the body 4, 13.
  • the memory 8 has Distance between its ends and closer to the lower end than Memory inlet 17 several distributed over its circumference Openings that cross through his coat and each have a smaller width than the chamber 11.
  • the openings 17 can be circular in their axial view or parallel to Axis 10 or elongated in the circumferential direction of the memory 8 his.
  • the upper one, continuously perpendicular to the Axis 10 lying end of the memory 8 limited as a memory outlet 18 an opening that is as wide as the storage space is.
  • This end of the storage jacket forms an annular one Lancing tip 19 of the same width as the rest of the memory 8.
  • the inside and / or outside width is the storage width to understand the memory 8.
  • the Piston 16 in the center as a closure disk-shaped Membrane 20 or the like, which are integral with the remaining piston 16 is formed from a material which softer and more elastic than the materials of the components 8, 14, 15 is.
  • the membrane 20 forms the bottom surfaces of two oppositely conical recesses, the greatest width in the end faces of the piston 16 to have.
  • the diameter of these floor surfaces or the membrane 20 can equal the outer width of the memory 8 or the tip 19 or slightly larger.
  • the piston 16 is then by stop on the Floor area of the chamber 12 or the like set.
  • This flat bottom surface formed by the body 15 can, tangentially connects to the lower boundaries of the Openings 17 and the outer periphery of the memory 8 at that in the openings 17 as at the opening 18 the pressure in the Chamber 12 is pending.
  • the memory 8 is with its shorter, lower and directly to the openings 17 and the storage space subsequent end section in the chamber floor sealed in a blind hole and stuck with its end face used striking so that it can withstand the pressure through the piston 16 and the membrane 20 does not evade.
  • the Width of the memory 8 is less than half, one third or a quarter of the width of chamber 12.
  • the memory 8 and the piston 16 can from the lower or from upper end ago in the jacket 14 so that after installation and in the starting position There is overpressure in the chamber 12.
  • the jacket 14 At the floor 15 distant opening 22 of the chamber 12, the jacket 14 on The outer circumference of its associated end section is acute-angled be tapered.
  • the piston 16 is on the inner circumference of the the chamber 12 delimiting jacket 14 with two annular Sealing lips 23 are guided in a sealed manner under radial prestress, which are partially circular in the axial section, at an axial distance from one another, from the ends of the piston 16 and of the membrane 20 in each case in the area of one of the depressions lie and in the middle of the axial extension of their Transition in the piston circumference linearly the inner circumference touch the chamber 12.
  • the top position is in the starting position End face 24 of the piston 16 opposite the opening 22 or the associated end face of the jacket 14 by at least that Half the length of the piston 16 set back.
  • Unit 2 with memory 8 bottom 15 and piston 16 can with the memory fillings be pre-assembled and then replaceable on unit 3 be attached.
  • the unit 2 can also without Unit 3 actuated and the medium from the piston 16 distal end of the plunger 25 are discharged.
  • the pestle 25 could also be a one-piece or pre-assembled unit form with the piston 16 and in the starting position freely from the Project opening 22.
  • the plunger 25 is in position with the Unit 3 or the base body 5 connected and lies with its flat lower end surface in the starting position only with a gap distance from the end face 24.
  • the outer width of the Tappet 25 is adjacent to the outer width of the piston 16 to the seals 23 so that the permanent in the jacket 14th engaging plunger 15 and the unit 2 radially to one another are guided with the least radial play.
  • Exhaust passage 26 passes through it over its entire length and limits its entire scope in one piece.
  • a lower one End section 27 of the channel 26 is at an acute angle downwards extended a width that the largest width of the associated Corresponds to depression in the end surface 24 and equal to it Length can be.
  • the conical section 27 serves to accelerate the flow of the fluid-media mixture at the outlet from the outlet 18 or the depression in the end face 24.
  • the longest part of the channel adjoining the piston 16 26 is in a plunger mandrel separate from the base body 5 provided, the upper end, offset in the outer width firmly seated in a sleeve-shaped tappet holder 29 is.
  • the mandrel 28 has the same outside the holder 29 Outside width like this on.
  • the holder 29 is shorter than that Mandrel 28 or half the length of the mandrel, which with its upper end within the holder 29 axially at one ring-shaped bottom surface. This is from one constant wide continuation of the cylindrical part of the Passes through channel 26, which with the interposition of a expanded chamber or swirl device 31 in the media outlet 30 opens.
  • the medium is swirled in the device 31 or in rotation around the nozzle axis 10 of the atomizing nozzle 30 offset so that the fluid-media mixture under this Swirl flow atomizes from the nozzle 30 of less than one or half a millimeter in width.
  • the top end of the mandrel 28 could also on the device 31 or its Adjacent swirl chamber.
  • the outlet nozzle 30 is at the upper end of a nozzle 32 provided its spherical or spherically curved end wall it penetrates on the convex outside and that for insertion into a body opening, for example a nostril, suitable is.
  • the one with the end wall and the holder 29 trained jacket of the socket 32 surrounds the plunger 25 entire length and the body 4, 13 on a partial length on Radial distance since the holder 29 from the inside the end wall projects freely against the body 4, 13 and in Starting position does not reach the opening 22 in which it protrudes into the pump end position.
  • the neck 32 is with the holder 29 a separate one-piece from the body 5 Component that has a connection 33, such as a snap connection, is firmly attached to the body 5.
  • the stub 32 could also be formed in one piece with the body 5.
  • the body 5 is essentially covered by a cap 34 an end wall 35 elongated in axial view, from which a cap jacket 36 only protrudes downward and the outside of which is also the elongated handle 7 forms.
  • the end wall 35 is made of connecting or snap members penetrated at the lower end of the jacket of the socket 32, these links form-fitting on the inside the end wall 35 abut.
  • the jacket 36 could also be omitted so that the part 34 is formed only by the end wall 35 is on the underside of the unit 2 and an escapement 38th project in any position.
  • the jacket 36 In the lower edge of the jacket 36 is at least one cutout 37 penetrating this Engagement of the user's thumb is provided since that of the Outside of the bottom 15 formed handle 6 including of the longitudinal section adjoining the connecting piece 32 Unit 2 completely inside the cap in every position 34 lies.
  • the cutout 37 is longer in one or both Sides of the round 7 in axial view like the handle or elliptical jacket 36 is provided.
  • the unit 2 and its components are in the starting position with the unit 3 via the escapement 38 with each other connected, which in the plane of the end wall 35 or with Distance may be below.
  • This inhibition could be springy disengaging, with increased friction, over a predetermined breaking point or the like in the outer circumference of the body 4, 13 with Intervene between the ends.
  • With overcoming the Inhibition 38 by the discharge actuation becomes the inhibitory force abruptly canceled and the units 2, 3 can be essential smoother against each other until the stop of the Piston 16 or the like can be moved.
  • a sleeve-shaped apron 39 in the neck 32 which can be formed in one piece with the body 5 and the Body 4, 13 on the outer circumference with radial distance and with Distance from its ends surrounds.
  • the nozzle 32 On this apron 39 can the nozzle 32 may be radially centered or guided, whereby its snap links are secured in the latch position.
  • the nozzle 32 When not in use, the nozzle 32 can be completely with a Plug cap 41 may be covered, which the nozzle 32 closely surrounds up to the handle 7 and covers the nozzle 30.
  • the start-up is caused by friction or spring engagement fixed cap 41 pulled off. With the thumb is inside the cap 34 against the handle 6 and others Fingers of the same hand on both sides of the neck 32 in opposite directions Direction against the handle 7 with increasing Press force until the escapement 38 disengages. This will make it End of the plunger 25 suddenly without touching the membrane 20 accelerated against the end face 24 so that in the further course of the piston 16 against the body 8 and the Cutting 19 moves with the membrane 20 closed and the pressure is increased in the chamber 12. Once the lower face the membrane 20 arrives at the cutting edge 19, this begins the To penetrate membrane 20 until they are only slightly above the protrudes the upper end face of the membrane 20, so that only inlet 17, but not outlet 18, in chamber 12 lies.
  • the lower end of the memory 8 or the chamber 11 is closed pressure-tight with a closure 40, which according to Fig. 1 can be integrally formed with the closure 15 and expediently extends to close to the inlet 17.
  • a closure 40 which according to Fig. 1 can be integrally formed with the closure 15 and expediently extends to close to the inlet 17.
  • the lower end of the jacket 8 can act as a cutting edge, when the memory 8 is pushed axially into the base 15 for assembly and just because of friction on the inner and outer circumference is set and the inside of the cutting edge lying part of the bottom 15 as a closure 40 in the memory 8 penetrates.
  • the axis of the respective opening 17 can be rectangular according to FIG. 1 to axis 10. But it can also in the discharge direction 2 obliquely to the axis 10 at an acute angle lie. This also applies to the formed by the closure 40, removed from outlet 18 and to the limit of Opening 17 tangentially adjoining bottom surface 42 of the Storage space that can also be crowned or convexly curved. 2, the closure 40 is by one of the closure 15 separate, completely within the memory 8 Component formed so that the closure 40 with the memory 8 pre-assembled and this with the body 13 or the Floor 15 can be connected. The bottom 14 can also lie completely within the jacket 14 and its lower End surface can with that of the jacket 14 or the memory 8 can be provided in one plane.
  • the bottom 42 of the storage space is through a sieve to be flowed through by the fluid in the discharge direction, so that the stored medium is not as in the embodiments 1 and 2, the opening 17 as the Opening 18 closes, but the inlet 17 between Closure 40 and bottom 42 in a media-free space opens, which is completely within the tube 8.
  • the the upper end of the tube 8 is here tapered at an acute angle, so that the outlet 18 and the tip 19 narrower than that Storage floor 42 and the rest of the tube 8 are.
  • the closure 40 could also be formed in one piece with the tube 8, e.g. in that the lower end of the tube is caused by radial crushing, Bending or the like is closed.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Materials For Medical Uses (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP97115215A 1996-09-12 1997-09-03 Spender für Medien Expired - Lifetime EP0829307B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637101 1996-09-12
DE19637101A DE19637101A1 (de) 1996-09-12 1996-09-12 Austragvorrichtung für Medien

Publications (3)

Publication Number Publication Date
EP0829307A2 EP0829307A2 (de) 1998-03-18
EP0829307A3 EP0829307A3 (de) 1998-09-02
EP0829307B1 true EP0829307B1 (de) 2004-03-17

Family

ID=7805390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97115215A Expired - Lifetime EP0829307B1 (de) 1996-09-12 1997-09-03 Spender für Medien

Country Status (6)

Country Link
US (1) US5967369A (ja)
EP (1) EP0829307B1 (ja)
JP (1) JPH10101156A (ja)
AT (1) ATE261779T1 (ja)
DE (2) DE19637101A1 (ja)
DK (1) DK0829307T3 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813078A1 (de) * 1998-03-25 1999-09-30 Pfeiffer Erich Gmbh & Co Kg Spender für Medien sowie Verfahren zur Herstellung eines Spenders
DE19831526A1 (de) * 1998-07-14 2000-01-20 Pfeiffer Erich Gmbh & Co Kg Spender für Medien sowie Verfahren zur Herstellung eines Spenders
US6732955B1 (en) 1999-07-08 2004-05-11 Ing. Erich Pfeiffer Gmbh Dispenser for media and method for producing a dispenser
DE19944209A1 (de) * 1999-09-15 2001-03-22 Pfeiffer Erich Gmbh & Co Kg Spender zum ggf. zerstäubten Ausbringen eines insbesondere flüssigen Mediums aus einem Behältnis
DE19960459A1 (de) 1999-12-15 2001-06-21 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
DE10036594A1 (de) * 2000-07-27 2002-02-07 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
US6543703B2 (en) 2000-12-26 2003-04-08 William S. Blake Flexible face non-clogging actuator assembly
DE10164452A1 (de) 2001-12-21 2003-07-03 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
DE20203473U1 (de) 2002-03-05 2003-04-17 Rpc Wiko Gmbh & Co Kg Spender für fließfähige Produkte mit kugelförmig eingekapselten Bestandteilen
US20070212307A1 (en) * 2006-02-10 2007-09-13 Daniel Wermeling Pharmaceutical Compositions Comprising an Opioid Receptor Antagonist and Methods of Using Same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145560B (de) * 1957-04-30 1963-03-14 Hans Bremer Dipl Chem Zerstaeuber
US3520499A (en) * 1968-05-29 1970-07-14 United Aircraft Corp Flight control system
US3520449A (en) * 1968-10-02 1970-07-14 Dart Ind Inc Automatic shut-off valve for two-fluid sources responsive to depletion of one fluid source
US4017007A (en) * 1973-12-26 1977-04-12 Ciba-Geigy Corporation Single dose air pressure operated dispenser
SE7415243L (ja) * 1973-12-26 1975-06-27 Ciba Geigy Ag
DE2940564A1 (de) * 1979-10-06 1981-04-16 Henkel KGaA, 4000 Düsseldorf Fluessigkeits-vorratsbehaelter zum ankoppeln an eine spruehpumpe
FR2649323B1 (fr) * 1989-07-04 1995-06-30 Valois Dispositif de projection et de pulverisation d'une dose d'un produit divisable
DE4008070A1 (de) * 1990-03-14 1991-09-19 Pfeiffer Erich Gmbh & Co Kg Austragkopf fuer medien-austragvorrichtungen
DE4021263C2 (de) * 1990-07-04 1996-04-11 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
DE4027320C2 (de) * 1990-08-29 1993-09-30 Ursapharm Arzneimittel Gmbh Fluid-Abgabeeinrichtung für keimfreies Fluid
US5337740A (en) * 1991-08-01 1994-08-16 New England Pharmaceuticals, Inc. Inhalation devices
GB9125699D0 (en) * 1991-12-03 1992-01-29 Glaxo Group Ltd Device
DK198591D0 (da) * 1991-12-10 1991-12-10 Novo Nordisk As Apparat
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

Also Published As

Publication number Publication date
DK0829307T3 (da) 2004-06-28
ATE261779T1 (de) 2004-04-15
EP0829307A2 (de) 1998-03-18
JPH10101156A (ja) 1998-04-21
EP0829307A3 (de) 1998-09-02
DE59711409D1 (de) 2004-04-22
DE19637101A1 (de) 1998-03-19
US5967369A (en) 1999-10-19

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