EP0520571B1 - Zerstäubungsdüse - Google Patents

Zerstäubungsdüse Download PDF

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Publication number
EP0520571B1
EP0520571B1 EP92201841A EP92201841A EP0520571B1 EP 0520571 B1 EP0520571 B1 EP 0520571B1 EP 92201841 A EP92201841 A EP 92201841A EP 92201841 A EP92201841 A EP 92201841A EP 0520571 B1 EP0520571 B1 EP 0520571B1
Authority
EP
European Patent Office
Prior art keywords
liquid
orifice
nozzle
gap
nozzle according
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
EP92201841A
Other languages
English (en)
French (fr)
Other versions
EP0520571A1 (de
Inventor
Terence Edward Weston
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.)
Weston Medical Ltd
Original Assignee
Weston Medical Ltd
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 GB919114080A external-priority patent/GB9114080D0/en
Application filed by Weston Medical Ltd filed Critical Weston Medical Ltd
Publication of EP0520571A1 publication Critical patent/EP0520571A1/de
Application granted granted Critical
Publication of EP0520571B1 publication Critical patent/EP0520571B1/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
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

Claims (21)

  1. Zerstäubungsdüse für die Erzeugung eines Tröpfchenstrahls aus einer Flüssigkeit (7,22), welche die Zerstäubungsdüse unter Druck durchquert, wobei die Zerstäubungsdüse Mittel (2, 24) aufweist, welche eine Öffnung (3, 25) bilden; einen Verschluß (1, 20) für diese Öffnung (3, 25), wobei die die Öffnung definierenden Mittel (2, 24) und der Verschluß (1, 20) zwischen einer ersten Position, in welcher der Verschluß (1, 20) mit der Öffnung (3, 25) zusammenwirkt, um sie zu verschließen, und einer zweiten Position, in welcher der Verschluß (1, 20) von der Öffnung (2, 24) im Abstand gehalten wird, um dazwischen einen Spalt zu bilden, gegeneinander beweglich sind, sowie einen Stopper (5, 27), um die relative Bewegung zwischen den die Öffnung bildenden Mitteln (2, 24) und dem Verschluß (1, 20) zu begrenzen, um sicherzustellen, daß die Weite des Spaltes (10, 32) nicht größer sein kann, als die Weite, welche einen feinen Strahl produzieren würde,
    dadurch gekennzeichnet, daß
    der Wert L/D, in dem L der Abstand ist, den die Flüssigkeit zurücklegen muß, um den Spalt (10, 32) zu durchqueren, und D die Weite dieses Spaltes (10, 32) definiert, nicht größer als 1 ist.
  2. Zerstäubungsdüse nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Öffnung (3, 25) kreisförmig ausgebildet ist.
  3. Zerstäubungsdüse nach Anspruch 2,
    dadurch gekennzeichnet, daß
    der Verschluß (1, 20) eine mindestens teilweise kugelförmige Oberfläche aufweist, die so angeordnet ist, daß sie mit der Öffnung (3, 25) zusammenwirkt.
  4. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die die Öffnung bildenden Mittel aus einer flexiblen Membran (24) bestehen.
  5. Zerstäubungsdüse nach Anspruch 4,
    dadurch gekennzeichnet, daß
    die Membran (24) mit mindestens einer die Öffnung (25) umgebenden Riffelung (41) ausgestattet ist, um dadurch die Flexibilität der Membran (24) zu erhöhen.
  6. Zerstäubungsdüse nach einem der Ansprüche 4 oder 5,
    dadurch gekennzeichnet, daß
    der Stopper einen kreisförmigen Ring (27) mit einer Anlagefläche aufweist, welche in der Nähe aber im Abstand von der Membran (24) angeordnet ist.
  7. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    der Verschluß aus einer Kugel (1) besteht.
  8. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die die Öffnung bildenden Mittel (2, 24) und der Verschluß (1, 20) relativ gegeneinander unter einer Kraft beweglich sind, welche durch den Druck der Flüssigkeit (7, 22) ausgeübt wird.
  9. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die Öffnung (3, 25) eine abgeschrägte Umfangsfläche (4, 40) aufweist, deren Schräge so ausgerichtet ist, daß sie die Länge des Spaltes (10, 32) begrenzt.
  10. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die Weite des Spaltes (10, 32) in der Größenordnung von 5 µm liegt.
  11. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    der Wert von L/D nicht größer als 0,5 ist.
  12. Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die die Öffnung bildenden Mittel (2, 24) und der Verschluß (1, 20) in die erste Position vorgespannt sind.
  13. Zerstäubungsdüse nach Anspruch 12,
    dadurch gekennzeichnet, daß
    diese Vorspannung eine elastische Vorspannung ist.
  14. Zerstäubungsdüse nach Anspruch 13,
    dadurch gekennzeichnet, daß
    die elastische Vorspannung mittels des die Öffnung bildenden Mittels (24) hergestellt wird, welches elastisch beweglich ist.
  15. Zerstäuber, welcher eine Zerstäubungsdüse nach einem der vorausgegangenen Ansprüche, eine Flüssigkeitsquelle (61) und ein Mittel für die Zufuhr unter Druck aus dieser Flüssigkeitsquelle (61) zu der Zerstäubungsdüse aufweist.
  16. Zerstäuber nach Anspruch 15,
    dadurch gekennzeichnet, daß
    ein Meßgerät vorgesehen ist, um sicherzustellen, daß die Flüssigkeit (61) die Zerstäubungsdüse in abgemessenen Mengen durchquert.
  17. Zerstäuber nach einem der Ansprüche 15 oder 16,
    dadurch gekennzeichnet, daß
    die Flüssigkeit (61) ein für die Inhalation geeignetes Medikament enthält.
  18. Zerstäuber nach Anspruch 17,
    dadurch gekenzeichnet, daß
    die Flüssigkeit (61) dieses Medikament in Suspension enthält.
  19. Zerstäuber nach Anspruch 17,
    dadurch gekennzeichnet, daß
    die Flüssigkeit (61) das Medikament in Lösung enthält.
  20. Zerstäuber nach einem der Ansprüche 17, 18 oder 19,
    dadurch gekennzeichnet, daß
    die Flüssigkeit (61) eine physiologisch akzeptable wäßrige Flüssigkeit ist.
  21. Zerstäuber nach einem der Ansprüche 17, 18, 19,
    dadurch gekennzeichnet, daß
    die Flüssigkeit (61) eine physiologisch akzeptable nicht wäßrige Flüssigkeit ist.
EP92201841A 1991-06-28 1992-06-23 Zerstäubungsdüse Expired - Lifetime EP0520571B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9114080 1991-06-28
GB919114080A GB9114080D0 (en) 1991-06-28 1991-06-28 Atomising valve
GB9205969 1992-03-18
GB929205969A GB9205969D0 (en) 1991-06-28 1992-03-18 Atomising pump

Publications (2)

Publication Number Publication Date
EP0520571A1 EP0520571A1 (de) 1992-12-30
EP0520571B1 true EP0520571B1 (de) 1998-09-09

Family

ID=26299156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201841A Expired - Lifetime EP0520571B1 (de) 1991-06-28 1992-06-23 Zerstäubungsdüse

Country Status (14)

Country Link
EP (1) EP0520571B1 (de)
JP (1) JP3162487B2 (de)
AR (1) AR247836A1 (de)
AT (1) ATE170778T1 (de)
AU (1) AU1859192A (de)
BR (1) BR9202411A (de)
CA (1) CA2072544A1 (de)
DE (1) DE69226908T2 (de)
DK (1) DK0520571T3 (de)
ES (1) ES2119794T3 (de)
FI (1) FI922965A (de)
IE (1) IE80891B1 (de)
MX (1) MX9203622A (de)
NZ (1) NZ243321A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43174E1 (en) 2000-04-11 2012-02-14 Trudell Medical International Aerosol delivery apparatus
US9700689B2 (en) 2002-05-21 2017-07-11 Trudell Medical International Medication delivery apparatus and system and methods for the use and assembly thereof

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK48993D0 (da) * 1993-04-30 1993-04-30 Steen Erik Holm Forstoevningsapparat til vandbaaret lungemedicin
DE9419268U1 (de) * 1994-12-01 1995-01-26 Wischerath Josef Gmbh Co Kg Spender
DE19536902A1 (de) 1995-10-04 1997-04-10 Boehringer Ingelheim Int Vorrichtung zur Hochdruckerzeugung in einem Fluid in Miniaturausführung
US6293279B1 (en) * 1997-09-26 2001-09-25 Trudell Medical International Aerosol medication delivery apparatus and system
DE19919461A1 (de) * 1999-04-29 2000-11-02 Elias Russegger Verschließbare Düse
US6223954B1 (en) * 2000-08-10 2001-05-01 Robert N. Carow Pump actuator with plastic spring
DE102004021789A1 (de) 2004-05-03 2006-04-27 Boehringer Ingelheim International Gmbh Zerstäuber zum Ausbringen von Flüssigkeiten für medizinische Zwecke
EP2077132A1 (de) 2008-01-02 2009-07-08 Boehringer Ingelheim Pharma GmbH & Co. KG Abgabevorrichtung, Aufbewahrungsvorrichtung und Verfahren zur Abgabe einer Formulierung
US10011906B2 (en) 2009-03-31 2018-07-03 Beohringer Ingelheim International Gmbh Method for coating a surface of a component
EP3508239B1 (de) 2009-05-18 2020-12-23 Boehringer Ingelheim International GmbH Adapter, inhalationseinrichtung und zerstäuber
JP5715640B2 (ja) 2009-11-25 2015-05-13 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング ネブライザ
US10016568B2 (en) 2009-11-25 2018-07-10 Boehringer Ingelheim International Gmbh Nebulizer
EP2504051B1 (de) 2009-11-25 2019-09-04 Boehringer Ingelheim International GmbH Zerstäuber
EP2585151B1 (de) 2010-06-24 2018-04-04 Boehringer Ingelheim International GmbH Vernebler
EP2694220B1 (de) 2011-04-01 2020-05-06 Boehringer Ingelheim International GmbH Medizinisches gerät mit behälter
US9827384B2 (en) 2011-05-23 2017-11-28 Boehringer Ingelheim International Gmbh Nebulizer
WO2013152894A1 (de) 2012-04-13 2013-10-17 Boehringer Ingelheim International Gmbh Zerstäuber mit kodiermitteln
WO2015018904A1 (en) 2013-08-09 2015-02-12 Boehringer Ingelheim International Gmbh Nebulizer
EP2835146B1 (de) 2013-08-09 2020-09-30 Boehringer Ingelheim International GmbH Zerstäuber
JP6580070B2 (ja) 2014-05-07 2019-09-25 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング 容器、ネブライザ、及び使用
HUE055604T2 (hu) 2014-05-07 2021-12-28 Boehringer Ingelheim Int Porlasztó
BR112016023932B1 (pt) 2014-05-07 2022-11-29 Boehringer Ingelheim International Gmbh Nebulizador
AT515995B1 (de) * 2014-07-10 2018-08-15 Univ Graz Tech Vorrichtung und Verfahren zur Zerstäubung einer Flüssigkeit
CN105104119A (zh) * 2015-08-19 2015-12-02 张萍 一种用于园林园艺工程的可无线通讯的智能浇灌装置
DE102016123993B4 (de) * 2016-12-09 2021-12-30 Aebi Schmidt Nederland Bv Flüssigkeitsstrahl-Verschlussdüse
GB201717918D0 (en) * 2017-10-31 2017-12-13 Leafgreen Ltd Spray configuration
CN115089824B (zh) * 2022-06-15 2024-02-02 宁波司麦儿医学科技有限公司 一种雾化器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794247A (en) * 1972-11-22 1974-02-26 Corsette Douglas Frank Spray fitment for squeeze bottles
CA1156695A (en) * 1979-10-10 1983-11-08 Macmillan Bloedel Limited Self protecting spray nozzle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43174E1 (en) 2000-04-11 2012-02-14 Trudell Medical International Aerosol delivery apparatus
USRE45068E1 (en) 2000-04-11 2014-08-12 Trudell Medical International Aerosol delivery apparatus
USRE46050E1 (en) 2000-04-11 2016-07-05 Trudell Medical International Aerosol delivery apparatus
US9700689B2 (en) 2002-05-21 2017-07-11 Trudell Medical International Medication delivery apparatus and system and methods for the use and assembly thereof

Also Published As

Publication number Publication date
CA2072544A1 (en) 1992-12-29
FI922965A0 (fi) 1992-06-26
AR247836A1 (es) 1995-04-28
ES2119794T3 (es) 1998-10-16
IE922089A1 (en) 1992-12-30
NZ243321A (en) 1994-11-25
DE69226908T2 (de) 1999-01-28
FI922965A (fi) 1992-12-29
IE80891B1 (en) 1999-05-19
AU1859192A (en) 1993-01-07
MX9203622A (es) 1993-11-01
DK0520571T3 (da) 1999-06-07
BR9202411A (pt) 1993-01-26
EP0520571A1 (de) 1992-12-30
JP3162487B2 (ja) 2001-04-25
JPH06178954A (ja) 1994-06-28
DE69226908D1 (de) 1998-10-15
ATE170778T1 (de) 1998-09-15

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