EP1219356A2 - Dispositif de décharge de fluides utilisant une pompe à piston - Google Patents

Dispositif de décharge de fluides utilisant une pompe à piston Download PDF

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Publication number
EP1219356A2
EP1219356A2 EP02007105A EP02007105A EP1219356A2 EP 1219356 A2 EP1219356 A2 EP 1219356A2 EP 02007105 A EP02007105 A EP 02007105A EP 02007105 A EP02007105 A EP 02007105A EP 1219356 A2 EP1219356 A2 EP 1219356A2
Authority
EP
European Patent Office
Prior art keywords
discharge device
discharge
nozzle
outlet
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02007105A
Other languages
German (de)
English (en)
Other versions
EP1219356A3 (fr
EP1219356B1 (fr
Inventor
Erfindernennung liegt noch nicht vor Die
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
Publication of EP1219356A2 publication Critical patent/EP1219356A2/fr
Publication of EP1219356A3 publication Critical patent/EP1219356A3/fr
Application granted granted Critical
Publication of EP1219356B1 publication Critical patent/EP1219356B1/fr
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

  • WO 93/00172 A shows a sprayer with a long, relatively thin outlet trunk.
  • 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, which is simultaneously the pump cylinder forms in one or two strokes.
  • Such one-time or Multiple dispensers are important for dispensing medication, those regarding dosing, contamination, preservation or others Criteria are particularly critical.
  • EP-B-521 022 shows a double atomizer in which the thrust piston pump stroke limited by a backdrop on the circumference of the housing which is switched on for a second hub.
  • the invention aims at a spreading device trained so that the application to certain Places, e.g. inside body openings, especially on difficult to access places.
  • the outlet trunk in a nasal passage especially the inner nostril to deliver a Introduce medication, preferably a vaccine or immunizing agent against colds like flu.
  • a Introduce medication preferably a vaccine or immunizing agent against colds like flu.
  • the described shape of the outlet proboscis enables the introduction into this area.
  • the Exhaust proboscis has an inner channel that largely, except for at least one conduit for the medium, from a filler is filled out. Whose end face adjacent to the outlet opening can with the outlet opening together delimitation of spray nozzle swirl channels form, these vortex channels as spiral grooves in this face can be included.
  • a disposable double atomizer for dispensing two consecutive batches created as a spray. It has a protruding one on a base body Nose adapter with nozzle, actuation shoulders for support by two fingers and one that can be pushed into the base body Actuating part with an actuating sleeve and one held therein Media storage on, the plunger plug from a hollow needle can be pierced. There is a ring on the actuating sleeve attached over predetermined breaking points by means of spokes, which at a first Actuation while maintaining a minimum actuation pressure interrupted. The spokes hit a stop and limit thereby the first partial stroke. By turning the actuating sleeve the actuating section in the starting position for the second lifting stage brought. There are intermediate webs inserted by means of material bridges broken out, which also maintains the second partial stroke a minimum operator.
  • a total of two destructible pressure point safeguards are provided, which each have a predetermined actuation force for triggering them needed.
  • the pressure point safety device can have at least one predetermined breaking point contain. It is particularly preferred on a snap-in ring provided that e.g. on a push button forming the Media container receiving sleeve over destructible material bridges is molded. This snap-in ring enables the material bridges to be provided on one of the two parts to be joined, then after the separation of the material bridges on the other part snapped ring remains on this.
  • a stop is preferably provided, the Stop elements, for example in the area of the ring-bearing Spokes are formed. So when the first stroke is finished, beats the part that is movable relative to the base body, i.e. the actuating sleeve with the media storage, at a fixed stop, so that it is ensured that the second discharge stroke stage is not triggered immediately becomes. To do this, an unlocking operation is first carried out, for example by rotating the two movable relative to each other Share against each other.
  • those on the Actuating sleeve remaining, now separated from the ring Spokes are rotated to a position where they are in the area of webs lie, which in turn are 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.
  • the Media storage is hermetically sealed until first use. This can be done in that the media storage, usually a cylindrical glass ampoule, through a stopper made of rubber - like Material is closed, the first discharge stroke of a hollow Needle is pierced, which thus forms a kind of outlet valve. The one with its connected or formed discharge channel remains after the first stroke open, so that in the subsequent second stroke immediately atomization can begin.
  • the discharge device 11 shown in the drawing has a base body 12, which consists of plastic injection molding. It has a central one elongated nozzle section 13, in its inventive Training is shown in Figs. 6 and 7 and in its shape and length is adapted to the respective application. In the present Case it is a so-called nose adapter, which is intended to to be inserted into a patient's nostril. On his at the upper ends it has a discharge opening 14 in the form of a spray nozzle with an upstream angular chamber. Following this is in Inside the hollow nozzle section 13, a sleeve-shaped piston rod carrier 15 provided in the also a hollow piston rod 16 is pressed in below.
  • a piston rod 17 is in shape a hollow steel needle, bevelled at its lower free end similar to an injection needle, by means of a die Needle surrounding seal 18.
  • This needle-shaped piston tappet 17th penetrates the piston rod completely and is up to the discharge opening 14 brought up, so its interior forms a discharge channel 19.
  • the pharmaceutical medium 24 to be dispensed is in a media container 20 provided, which as a cylindrical, closed at the bottom and similarly open glass container with a flange at the top an ampoule is formed. It also forms the media store and the pump chamber 23 so that its inner walls simultaneously are the cylinder race of a thrust piston pump 46.
  • Your butt 21 is formed by a piston plug made of rubber or rubber-like material and in the middle a membrane 22 in Form of a centerpiece with a small wall thickness, which of the Piston tappet 17 can be pierced.
  • the media container 20 is in an actuating and receiving sleeve 25 added that in the form of a very elongated below closed plastic sleeve with inner support ribs for the media container is trained. Its closed bottom 26 forms an actuating surface for the discharge device 11. It is between ribs 45 inside 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.
  • she consists of three connecting webs or spokes 29 (Fig. 3) that over Material bridges 30 connected to a circumferential outer ring 28 are. This is in a circumferential position determined by a guide groove 42 with its outer circumference in a snap connection 32 recorded in a cylindrical base portion 34 of the Basic body, and that is provided on the lower edge thereof.
  • the Material bridges are designed so that when a break predetermined operating pressure (Fig. 2).
  • An inner rib 48 the base portion 34 defines the ring 28 in its axial position.
  • the base portion 34 extends from actuation shoulders 35 down, which as a total oval surface (Fig. 4) the middle nozzle section 13 surround and down a stiffening edge 36th exhibit.
  • the spokes 29 have lateral ones Reinforcements and are in the axial direction by support ribs 31st stiffened.
  • the outer surface of the actuating sleeve 25 has one outer handle in the form of corrugation.
  • Walls 44 are provided which protrude downwards. They form three Arch sections 49 and then each extend on both sides Extent of the base section to the outside so that it is between them Form slots 43. Are located between the walls 44 Platelets or webs 40 which a second pressure point protection 39 for form a second hub. You 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 parts in the Fig. 1 shown assembled.
  • the one with the medium 24 filled media container 20 is received in the actuating sleeve 25 and its pump chamber 23 is sealed by the piston plug 21 locked. It is at a distance from the top of the Piston tappet 17 when the actuating sleeve is in the starting position is located, which is defined in that the ring 28 of the first pressure point fuse 27 is engaged in the snap device 32 and on the underside of the ribs 48 abuts.
  • the resulting ready-to-use discharge device is now available at Grasped need by the user by putting two fingers on the Actuating shoulders 35 and with the thumb on the actuating surface 26 presses.
  • When applying sufficient actuation pressure tear the material bridges 30, which is a predetermined breaking point form, so that the actuating sleeve now with predetermined force and accordingly high operating speed in Fig. 1 after is moved up.
  • the piston rod 16 presses the piston plug into the Media container 20 and the medium 24 is via the discharge channel 19 released in the needle and the outlet opening 14 as a spray. This happens while the patient is the nozzle section 13 in one had inserted his nostrils.
  • the function is ended. So it is a two-way disposable pump that after disposed of once. With the exception of the Media storage 20 and the steel needle 17, and possibly the piston plug 21 all parts are made of plastic injection molding, namely recycling is possible, preferably of the same material.
  • the discharge device allows the individual partial batches to be carried output great dosing accuracy and reliability; if desired from in different amounts.
  • the partial strokes are due to the free travel to be run through when first activated different what is considered in the design. It is possible to adapt the discharge device for other purposes, for example for medicines that are paired for eyes or others multiply occurring application locations are determined. Also for several successive applications in the form of spray or other output form, for example the treatment at intervals a few minutes on the same application site, the device is used.
  • the discharge device 11 corresponds to the one explained below Training according to the invention according to FIGS. 1 to 5. On their Description is referenced. The same parts carry the same Reference numerals.
  • the nozzle section 13 tapers towards its end and goes in an outlet trunk 50, which is integrally formed with this and elongated and thin. Its diameter is between 3 and 4 mm or less, but usually not more than 5 mm, and it is over 10 mm, preferably between 20 and 30 mm long. The Ratio length to diameter is about 7 and should be advantageous be over 5. He is circular cylindrical and has on his End the outlet opening 15 in the form of a spray nozzle. This is an in the outlet trunk 50 molded hole of the small diameter, the together with vertebral channels 51, which in the front end of a Filler 52 are formed, a nozzle with a conical spray forms.
  • the filler 52 is integrally formed with the piston rod 16 and has conduits 53 of very small cross-section on its outside in the form of molded longitudinal grooves.
  • the longitudinal piece fills an inner channel 54 of the hollow outlet trunk 50 from which the dead space minimized for the escaping medium.
  • the line channels 53 are by means of a reduction in the diameter of the filling piece / 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 an articulated kink 56, which in a central region of the Exhaust nozzle is. It is formed in that the filler 52a in Area of the kink is reduced in diameter so that it is slightly flexible due to the flexibility of its material. That too
  • the material of the outlet proboscis is flexible enough to be a certain amount allows hose-like bend. If necessary, could Bellows-like folds can be molded in there to facilitate bending. It is also possible the entire outlet trunk by appropriate To make material choice elastic or plastically pliable. It is also possible to permanently bend or bend the outlet proboscis or the orientation of the spray nozzle other than in the axial direction choose.
  • the outlet trunk For applying a drug to the nasal cavity and its Side channels, especially on the nasal conchae (conchae nasi) the outlet trunk from the doctor or another qualified person introduced and aligned accordingly. Then the discharge device actuated by a first in the manner previously described Execute lifting section. After that, the outlet proboscis becomes the second Nostril inserted and the second stroke section triggered after this may have been unlocked.
EP02007105A 1997-01-09 1998-01-08 Dispositif de décharge de fluides utilisant une pompe à piston Expired - Lifetime EP1219356B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19700437 1997-01-09
DE19700437A DE19700437B4 (de) 1996-01-23 1997-01-09 Austragvorrichtung für fließfähige Medien mittels einer Schubkolbenpumpe
DE19723133A DE19723133A1 (de) 1997-06-03 1997-06-03 Austragvorrichtung für Medien
DE19723133 1997-06-03
EP98904040A EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP98904040A Division EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee

Publications (3)

Publication Number Publication Date
EP1219356A2 true EP1219356A2 (fr) 2002-07-03
EP1219356A3 EP1219356A3 (fr) 2002-08-28
EP1219356B1 EP1219356B1 (fr) 2010-07-28

Family

ID=7831207

Family Applications (3)

Application Number Title Priority Date Filing Date
EP02007105A Expired - Lifetime EP1219356B1 (fr) 1997-01-09 1998-01-08 Dispositif de décharge de fluides utilisant une pompe à piston
EP98904040A Expired - Lifetime EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee
EP98109321A Expired - Lifetime EP0882516B1 (fr) 1997-06-03 1998-05-22 Distributer de fluide

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP98904040A Expired - Lifetime EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee
EP98109321A Expired - Lifetime EP0882516B1 (fr) 1997-06-03 1998-05-22 Distributer de fluide

Country Status (14)

Country Link
US (2) US6321942B1 (fr)
EP (3) EP1219356B1 (fr)
JP (2) JP4046769B2 (fr)
KR (2) KR100492350B1 (fr)
CN (1) CN1103642C (fr)
AT (3) ATE475487T1 (fr)
AU (2) AU734535B2 (fr)
BR (2) BR9807065A (fr)
CA (1) CA2277208C (fr)
DE (5) DE19723133A1 (fr)
DK (2) DK0951362T3 (fr)
ES (1) ES2176960T3 (fr)
PT (1) PT951362E (fr)
WO (1) WO1998030335A1 (fr)

Cited By (4)

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DE10321902A1 (de) * 2003-05-06 2004-12-09 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für zumindest ein Medium
CN102671269A (zh) * 2011-03-16 2012-09-19 和谐医疗有限公司 流体传送装置
WO2013054076A1 (fr) 2011-10-11 2013-04-18 Consort Medical Plc Dispositif de distribution de fluide
US10272213B2 (en) 2013-07-19 2019-04-30 Consort Medical Plc Fluid delivery device

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DE10321902A1 (de) * 2003-05-06 2004-12-09 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für zumindest ein Medium
US7104469B2 (en) 2003-05-06 2006-09-12 Ing. Erich Pfeiffer Gmbh Discharge device for at least one medium
CN102671269A (zh) * 2011-03-16 2012-09-19 和谐医疗有限公司 流体传送装置
DE102012203866A1 (de) 2011-03-16 2012-09-20 Consort Medical Plc Fluidabgabevorrichtung
CN102671269B (zh) * 2011-03-16 2016-01-20 和谐医疗有限公司 流体传送装置
WO2013054076A1 (fr) 2011-10-11 2013-04-18 Consort Medical Plc Dispositif de distribution de fluide
US9314808B2 (en) 2011-10-11 2016-04-19 Consort Medical Plc Fluid delivery device
US10272213B2 (en) 2013-07-19 2019-04-30 Consort Medical Plc Fluid delivery device

Also Published As

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JPH10338298A (ja) 1998-12-22
DE59812015D1 (de) 2004-11-04
DK0951362T3 (da) 2002-07-15
US6321942B1 (en) 2001-11-27
EP0951362A1 (fr) 1999-10-27
EP1219356A3 (fr) 2002-08-28
DK0882516T3 (da) 2005-01-17
AU6207598A (en) 1998-08-03
ATE219391T1 (de) 2002-07-15
PT951362E (pt) 2002-11-29
DE19723133A1 (de) 1998-12-10
KR20000069945A (ko) 2000-11-25
ATE475487T1 (de) 2010-08-15
US6059150A (en) 2000-05-09
BR9807065A (pt) 2000-05-02
ATE277689T1 (de) 2004-10-15
DE59814459D1 (de) 2010-09-09
AU740121B2 (en) 2001-11-01
DE29824620U1 (de) 2001-11-15
CA2277208C (fr) 2007-12-11
EP0951362B1 (fr) 2002-06-19
CN1103642C (zh) 2003-03-26
EP1219356B1 (fr) 2010-07-28
EP0882516A1 (fr) 1998-12-09
AU6987498A (en) 1998-12-10
JP4046769B2 (ja) 2008-02-13
KR100559101B1 (ko) 2006-07-25
KR19990006599A (ko) 1999-01-25
BR9801755A (pt) 1999-06-01
AU734535B2 (en) 2001-06-14
CN1250398A (zh) 2000-04-12
WO1998030335A1 (fr) 1998-07-16
ES2176960T3 (es) 2002-12-01
KR100492350B1 (ko) 2005-05-31
DE59804505D1 (de) 2002-07-25
JP2001509070A (ja) 2001-07-10
EP0882516B1 (fr) 2004-09-29
CA2277208A1 (fr) 1998-07-16

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