EP0951362B1 - Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe - Google Patents

Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe Download PDF

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Publication number
EP0951362B1
EP0951362B1 EP98904040A EP98904040A EP0951362B1 EP 0951362 B1 EP0951362 B1 EP 0951362B1 EP 98904040 A EP98904040 A EP 98904040A EP 98904040 A EP98904040 A EP 98904040A EP 0951362 B1 EP0951362 B1 EP 0951362B1
Authority
EP
European Patent Office
Prior art keywords
discharge device
discharge
base body
pump
channel
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
EP98904040A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0951362A1 (de
Inventor
Gerald Krampen
Karl-Heinz Fuchs
Hans Merk
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
Priority claimed from DE19700437A external-priority patent/DE19700437B4/de
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Priority to EP02007105A priority Critical patent/EP1219356B1/de
Priority to DE29824620U priority patent/DE29824620U1/de
Publication of EP0951362A1 publication Critical patent/EP0951362A1/de
Application granted granted Critical
Publication of EP0951362B1 publication Critical patent/EP0951362B1/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
    • B05B11/02—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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means

Definitions

  • This Training ensures that e.g. when atomizing the There is sufficient atomization pressure from the beginning of the medium is and that the pump is operated to the end of its stroke and so the entire content of the media storage that simultaneously forms the pump cylinder in one or two strokes outputs.
  • Such single or multiple dispensers are important for dispensing medication related to dosage, Contamination, preservation or other criteria in particular are critical.
  • EP-B-521 022 shows a double atomizer in which the Thrust piston pump through a backdrop on the circumference of the housing stroke limited, which is switched on for a second stroke becomes.
  • a pump atomizer is known from DE-U-296 01 047 for two consecutive discharge strokes is set up.
  • the pump cylinder is on one forming media container receiving sleeve two predetermined breaking rings provided, which come into engagement one after the other.
  • the second predetermined breaking ring forms a stop Completion of the first discharge stroke stage.
  • the pressure point safety device can have at least one predetermined breaking point contain. It is particularly preferred for a snap-on type Ring provided which e.g. on a push button forming, receiving the media container over destructible material bridges is formed. This snap-in Ring enables the material bridges on one of the provide two parts to be joined, then according to the separation of the material bridges on the other part snapped ring remains on this.
  • the stop that ends the first stroke can be stop elements have spokes on the ring. So if the First stroke is complete, this beats against the base body moving part, i.e. the actuating sleeve with the media storage, to the fixed stop so that ensures is that the second discharge stroke stage is not triggered immediately becomes.
  • the unlocking operation is first carried out, for example by rotating the two relative to each other moving parts against each other. So for example those remaining on the actuating sleeve spokes now separated from the ring into one position be rotated where they lie in the area of webs which in turn connected to the base body via predetermined breaking points are. This rotational position can be caused by projecting wall sections be limited to prevent over-turning. If you press it a second time, it will break again Predetermined breaking points between the web and the base body, see above that one with a minimum actuation force second discharge stroke is carried out.
  • the media storage is hermetic until first use is closed.
  • the one with her the discharge channel connected or formed by it remains open on the first stroke, so that on the subsequent second Stroke the atomization can begin immediately.
  • WO 93/00172 shows a disposable atomizer for others Type one adjoining a nozzle section Outlet trunk with a smaller cross-section.
  • the invention therefore also aims to provide a spreading device train that application to specific places inside body openings, especially difficult accessible places.
  • a nozzle section of the base body opposite one of a nozzle section of the base body this significantly reduced in diameter, thinner and Connect the long outlet nozzle to the end of the outlet opening preferably arranged in the form of a spray nozzle is.
  • the outlet trunk has an inner channel that largely except for at least one line channel for the medium, is filled by a filler. Its at the outlet opening adjacent end face can with the outlet opening together delimit spray nozzle swirl channels, these vertebral canals as spiral grooves in this Front side can be included.
  • a disposable double atomizer to output two consecutive Partial batches created as a spray. He points to a body a protruding nose adapter with nozzle, actuation shoulders to rest two fingers and one in the Basic body pushable actuating part with a Actuating sleeve and a media storage held therein on, the sealing plunger plug of a hollow needle can be pierced. There is a on the actuating sleeve Ring attached over predetermined breaking points by means of spokes with a first actuation while maintaining a Minimum actuation pressure breaks off. The spokes hit stop and thereby limit the first partial stroke. By turning the actuating sleeve, the actuating section becomes brought into the start position for the second stroke level. There are intermediate webs inserted by means of material bridges broken out, which also maintains the second partial stroke a minimum operator.
  • the discharge device 11 shown in the drawing has a base body 12, which consists of plastic injection molding. It has a central elongated neck section 13, the shape and length of each Application is adapted. In the present case it is a so-called nose adapter, which is intended in one Nostril to be inserted into a patient. On his it has a discharge opening 14 in the form of an upper end Spray nozzle with an upstream angle chamber. To this is then inside the hollow nozzle section 13th a sleeve-shaped piston rod carrier 15 is provided in the a likewise hollow piston rod 16 is pressed in at the bottom. In it in turn is a piston tappet 17 in the form of one on it lower free end similar to beveled hollow steel needle an injection needle, by means of a Needle surrounding seal 18. This needle shaped plunger 17 completely penetrates the piston rod and is led up to the discharge opening 14, so its interior forms a discharge channel 19.
  • the pharmaceutical medium 24 to be dispensed is in one Media container 20 provided as a cylindrical, below closed and open at the top, with side flange provided glass container formed like an ampoule is. It forms both the media storage and the Pump chamber 23 so that its inner walls simultaneously the Are cylinder barrel of a thrust piston pump 46.
  • Your butt 21 is formed by a piston plug made of rubber or rubber-like material and one in the middle Membrane 22 in the form of a middle piece with a small wall thickness has, which are pierced by the piston tappet 17 can.
  • the media container 20 is in an actuating and receiving sleeve 25 added, which is in the form of a very elongated plastic sleeve closed at the bottom with inner support ribs is designed for the media container.
  • Your closed Bottom 26 forms an actuating surface for the Discharge device 11. It is between ribs 45 inside of the nozzle section together with the media container guided and axially movable therein.
  • a first pressure point safety device 27 is formed on the outer circumference. It consists of three connecting bars or spokes 29 (Fig. 3), the material bridges 30 with a rotating outer ring 28 are connected. This is in one go a guide groove 42 with its circumferential position Outer circumference recorded in a snap connection 32, which in a cylindrical base section 34 of the base body, namely at its lower edge.
  • the material bridges are designed so that when a break predetermined operating pressure (Fig. 2).
  • a Inner rib 48 of the base section 34 places the ring 28 in its axial position.
  • the base portion 34 extends from actuation shoulders 35 down, which as the total oval surface (Fig. 4) surrounded middle nozzle section 13 and down one have stiffening edge 36.
  • the spokes 29 have lateral reinforcements and are in the axial direction Support ribs 31 stiffened.
  • the outer surface of the actuator sleeve 25 has an outer handle in the form of a Corrugation on.
  • Walls 44 are provided which protrude downwards. she form three arc sections 49 and then extend on both sides to the circumference of the base section outside so that they form slots 43 between them. Between whose walls 44 are platelets or webs 40 which a second pressure point safety device 39 for a second stroke form. They are over material bridges 41 with the walls connected. One of the walls 44 is extended and forms a rotary stop 38 on which one of the spokes 29 at one Rotation strikes.
  • the one with the Medium 24 filled media container 20 is in the actuating sleeve 25 added and its pump chamber 23 is through the Piston plug 21 tightly closed. It is in one Distance from the tip of the piston rod 17 when the Actuating sleeve is in the starting position, this is defined that the ring 28 of the first pressure point securing 27 is engaged in the snap device 32 and on the Bottom of the ribs 48 abuts.
  • the resulting ready-to-use discharge device is now seized by the user if necessary by using two Fingers on the actuation shoulders 35 and with the Presses thumb on the actuating surface 26.
  • a sufficient actuation pressure tear the Material bridges 30, which form a predetermined breaking point, so that the actuating sleeve now with a predetermined force and accordingly high operating speed in Fig. 1 after is moved up.
  • the piston rod 16 presses the piston plug in the media container 20 and the medium 24 is on the Discharge channel 19 in the needle and the outlet opening 14 as Spray released. This happens while the patient the neck portion 13 inserted into one of its nostrils would have.
  • the spokes 29 lie on the Bars 40.
  • the material bridges also break there for the second discharge stroke stage 41.
  • the second discharge stroke level is also like that first run by the lower front edge of the piston rod 16 the piston plug 21 further into the media container 20 pushes in and thus the medium in the manner of a thrust piston pump through the discharge channel 19.
  • this is the function completed. So it's a two-way disposable pump, which is disposed of after a single use. Because with one exception the media storage 20 and the steel needle 17, and possibly the Piston plug 21 all parts are made of plastic injection molding, preferably made of the same material recycling possible.
  • the discharge device allows the individual partial batches dispense with great dosing accuracy and reliability; if desired in different sizes Amounts.
  • the partial strokes are because of the first actuation to pass through empty paths different, what with the Design is taken into account. It is possible to use the discharge device to adapt for other purposes, for example for medication for eyes or other paired or multiple occurring application locations are determined. Also for several successive applications in the form of spray or other output form, for example the treatment in Intervals of a few minutes on the same application site, the device can be used.
  • the discharge device 11 corresponds to the one below explained differences of that according to FIGS. 1 to 5. On their description is referred to. Wear the same parts same reference numerals.
  • the nozzle section 13 tapers towards its end and goes into an outlet trunk 50, which is integral with this is trained and elongated and thin. Its diameter is between 3 and 4 mm or less, however usually not more than 5 mm, and it is preferably over 10 mm between 20 and 30 mm long. The ratio trunk length to diameter is about 7 and should advantageously be over 5 be. It is circular cylindrical and has at its end the outlet opening 15 in the form of a spray nozzle. This is a hole of small diameter formed in the outlet trunk 50, that along with vertebral canals 51 that go into that front end of a filler 52 are formed, a Forms nozzle with conical spray.
  • the filler 52 is integral with the piston rod 16 formed and has conduit channels 53 on its outside very small cross section in the form of molded longitudinal grooves.
  • the longitudinal piece fills an inner channel 54 of the hollow one Exhaust nozzle 50 from what the dead space for the emerging Medium minimized.
  • the line channels 53 are through one a reduction in the diameter of the filler / piston rod unit formed distribution chamber 53 to the inner bore of the needle 17 connected.
  • the outlet nozzle 50 is flexible, namely in the area of an articulated kink 56, which in a middle area of the outlet trunk. It is through it formed that the filler 52a in the area of the kink in Diameter is reduced so much that it is due to the flexibility of its material is slightly flexible.
  • the material too of the outlet proboscis is so flexible that it is a allows some hose-like bend. If necessary, could bellows-like folds are molded in there to facilitate bending his. It is also possible to remove the entire trunk through appropriate choice of materials elastic or plastic to make it pliable. It is also possible to use the outlet proboscis to constantly bend or bend or align choose the spray nozzle differently than in the axial direction.

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Threshing Machine Elements (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Medicinal Preparation (AREA)
  • Materials For Medical Uses (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
EP98904040A 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe Expired - Lifetime EP0951362B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02007105A EP1219356B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige Medien mittels einer Schubkolbenpumpe
DE29824620U DE29824620U1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fließfähige Medien mittels einer Schubkolbenpumpe

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19700437A DE19700437B4 (de) 1996-01-23 1997-01-09 Austragvorrichtung für fließfähige Medien mittels einer Schubkolbenpumpe
DE19700437 1997-01-09
DE19723133A DE19723133A1 (de) 1997-06-03 1997-06-03 Austragvorrichtung für Medien
DE19723133 1997-06-03
PCT/EP1998/000061 WO1998030335A1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP02007105A Division EP1219356B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige Medien mittels einer Schubkolbenpumpe
EP02007105.6 Division-Into 2002-03-28

Publications (2)

Publication Number Publication Date
EP0951362A1 EP0951362A1 (de) 1999-10-27
EP0951362B1 true EP0951362B1 (de) 2002-06-19

Family

ID=7831207

Family Applications (3)

Application Number Title Priority Date Filing Date
EP98904040A Expired - Lifetime EP0951362B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe
EP02007105A Expired - Lifetime EP1219356B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige Medien mittels einer Schubkolbenpumpe
EP98109321A Expired - Lifetime EP0882516B1 (de) 1997-06-03 1998-05-22 Spender für Medien

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP02007105A Expired - Lifetime EP1219356B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige Medien mittels einer Schubkolbenpumpe
EP98109321A Expired - Lifetime EP0882516B1 (de) 1997-06-03 1998-05-22 Spender für Medien

Country Status (14)

Country Link
US (2) US6321942B1 (da)
EP (3) EP0951362B1 (da)
JP (2) JP4046769B2 (da)
KR (2) KR100492350B1 (da)
CN (1) CN1103642C (da)
AT (3) ATE475487T1 (da)
AU (2) AU734535B2 (da)
BR (2) BR9807065A (da)
CA (1) CA2277208C (da)
DE (5) DE19723133A1 (da)
DK (2) DK0951362T3 (da)
ES (1) ES2176960T3 (da)
PT (1) PT951362E (da)
WO (1) WO1998030335A1 (da)

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Also Published As

Publication number Publication date
EP0882516B1 (de) 2004-09-29
EP1219356A2 (de) 2002-07-03
ATE277689T1 (de) 2004-10-15
KR20000069945A (ko) 2000-11-25
CN1250398A (zh) 2000-04-12
AU740121B2 (en) 2001-11-01
WO1998030335A1 (de) 1998-07-16
JP4046769B2 (ja) 2008-02-13
US6321942B1 (en) 2001-11-27
BR9807065A (pt) 2000-05-02
AU6207598A (en) 1998-08-03
KR100492350B1 (ko) 2005-05-31
JPH10338298A (ja) 1998-12-22
AU6987498A (en) 1998-12-10
DK0951362T3 (da) 2002-07-15
DE59814459D1 (de) 2010-09-09
ATE475487T1 (de) 2010-08-15
ES2176960T3 (es) 2002-12-01
DE19723133A1 (de) 1998-12-10
DE29824620U1 (de) 2001-11-15
JP2001509070A (ja) 2001-07-10
CA2277208C (en) 2007-12-11
EP1219356A3 (de) 2002-08-28
CN1103642C (zh) 2003-03-26
DE59804505D1 (de) 2002-07-25
PT951362E (pt) 2002-11-29
EP1219356B1 (de) 2010-07-28
KR19990006599A (ko) 1999-01-25
AU734535B2 (en) 2001-06-14
EP0951362A1 (de) 1999-10-27
EP0882516A1 (de) 1998-12-09
DE59812015D1 (de) 2004-11-04
ATE219391T1 (de) 2002-07-15
US6059150A (en) 2000-05-09
KR100559101B1 (ko) 2006-07-25
CA2277208A1 (en) 1998-07-16
BR9801755A (pt) 1999-06-01
DK0882516T3 (da) 2005-01-17

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