WO2013113899A1 - Dispositif de distribution d'un aérosol dosé - Google Patents

Dispositif de distribution d'un aérosol dosé Download PDF

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Publication number
WO2013113899A1
WO2013113899A1 PCT/EP2013/052079 EP2013052079W WO2013113899A1 WO 2013113899 A1 WO2013113899 A1 WO 2013113899A1 EP 2013052079 W EP2013052079 W EP 2013052079W WO 2013113899 A1 WO2013113899 A1 WO 2013113899A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
ring
housing
dispensing
metered dose
Prior art date
Application number
PCT/EP2013/052079
Other languages
German (de)
English (en)
Inventor
Bjoern O. SOERENSEN
Original Assignee
Soerensen Bjoern O
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 Soerensen Bjoern O filed Critical Soerensen Bjoern O
Publication of WO2013113899A1 publication Critical patent/WO2013113899A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/009—Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A61M15/0068—Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/007—Mechanical counters
    • A61M15/0071—Mechanical counters having a display or indicator
    • A61M15/0073—Mechanical counters having a display or indicator on a ring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices

Definitions

  • the invention relates to a device for dispensing a metered dose inhaler with a counter.
  • Devices are also referred to in particular as an inhaler.
  • inhalers Devices for dispensing a metered dose inhaler are known. These are commonly referred to as inhalers and usually consist of a container with an active ingredient and a propellant.
  • the container comprises an outlet tube and a valve.
  • the container with the outlet tube becomes one
  • Propellant but is generated by means of a pumping device.
  • the levy principle is the same.
  • counting devices are expensive. These include, for example, a counter with two
  • Counting devices usually the length of the device for dispensing a metered dose inhaler considerably. Furthermore, in known counting devices, it is generally not possible to design these in such a way that they can be set to zero again, the counting device is rather for single use in conjunction with a
  • such known counting devices generally comprise a plurality of different materials, in particular also metals, which makes recycling more difficult.
  • the invention is based on the object, at least to reduce the disadvantages of the prior art.
  • the object of the invention is already by a
  • the invention relates to a device for dispensing a metered dose inhaler, which comprises a housing and a container insertable into the housing with a container housing and an outlet tube.
  • the housing comprises a cylindrical
  • Chamber which is open at the top, so that the container with the active ingredient can be inserted from above into the housing.
  • the container with the active ingredient is typically off
  • Metal in particular aluminum, formed and comprises an outlet tube.
  • the outlet tube is a piece in pressed the container, it is delivered via a valve, which may also be designed as a pumping device, drug.
  • the outlet tube is typically connected to a spray head, which is part of the housing, or connected to the housing. At the same time, by introducing the
  • Outlet tube in a corresponding channel leading to the spray head, the container with the active ingredient are mechanically connected to the spray device.
  • the aerosol is placed in a mouthpiece of the
  • the device for dispensing a metered dose inhaler comprises a counter which has a ring extending along an inner wall of the housing and arranged on its outside
  • Counting marks includes.
  • a ring is understood to mean a component which essentially follows the inner contour of the housing and which preferably extends around the entire inner circumference of the housing. It is also conceivable to design the ring interrupted so that it does not extend over the entire inner circumference. Preferably, the ring circular shaped. Preferably, the ring directly adjoins the housing wall.
  • Ring used which extends approximately along the inner wall of the housing.
  • the relatively large diameter of this ring which is not much smaller than the
  • Outer diameter of the entire device makes it possible to attach a sufficient number of Zählmarktechniken on a single component.
  • numbers can be used as counting marks, for example numbers in the ring can be in five or ten steps
  • the device is designed such that during
  • a counting device can be provided which, in the non-actuated state, protrudes a maximum of 10 mm, preferably not at all, over the outlet tube.
  • Dosing device not or only slightly increased.
  • a device for dispensing a metered dose inhaler can be provided with a counter, in which the housing has a maximum of 15 mm,
  • the counting process after a maximum number of counting operations is interrupted by a corresponding counting gate ends. This ensures that the ring does not turn any further. In such a device, the ring would have to be manually turned to zero in order to count again. It is also conceivable, however, a ring that begins to count again from the beginning, between the maximum number and the mark, at which a recounting starts, about zero, a transition region is present, which ensures that the device is not after reaching the highest
  • the ring is locked in the housing.
  • the ring may comprise locking cams or a circumferential web, which in one
  • Design allows a particularly simple installation, in which more complex components such as screws, etc., can be dispensed with.
  • the ring by means of a depressible actuating element, which comprises at least one tooth, in a
  • Ring gear of the ring engages, moves.
  • Sprocket and / or tooth for this purpose comprise at least one inclined surface, which is moved in the opposite direction moving the ring at this point in the tangential direction and thus turns a bit further.
  • the sprocket is formed asynchronous.
  • About the pitch of the ring gear can be determined how many operations a circulation of the ring
  • the sprocket has at least 100 teeth, which corresponds to 100 operations accordingly.
  • the actuating element is resiliently supported on a valve housing of the device.
  • the valve housing may be formed integrally with the rest of the housing and connected thereto.
  • the actuating element is biased by a spring in the initial state upwards.
  • a simple coil spring can in particular a
  • Leaf spring can be used, which may also be formed of plastic. So can be dispensed with metallic components completely or almost completely.
  • the ring comprises an anti-rotation, so it can only be rotated in one direction.
  • the ring is prevented by manipulation of a user or, for example, by strong vibrations inadvertently in the opposite direction, in which he himself
  • the counting device displays a smaller number of sprays than actually occurred.
  • a rotation is not essential.
  • the locking means in particular by latching hook or a groove, such
  • Fig. 1 shows a schematic sectional view of a
  • the device 1 for dispensing a metered dose inhaler.
  • the device 1 comprises a housing 2, in which from above a container housing 3 is inserted with the active ingredient.
  • the container housing 3 comprises an outlet tube 4, which is inserted into the spray head housing 24.
  • the spray head housing 24 is part of the housing 2 or fixedly connected thereto.
  • the spray head housing 24 includes the nozzle 7, through which the aerosol exits, typically in the mouthpiece of Device 1, which is not shown in this view.
  • the device 1 comprises a ring 8 which runs along the inner wall of the housing 2. On the ring 8 are the
  • the container housing 3 of the active substance container comprises a tapered region 5 between outlet tube 4 and the remaining housing in this exemplary embodiment.
  • Housing inner wall 10 can therefore be exploited to accommodate the counting device in the actuated state.
  • Ring 8 and container housing 3 are substantially identical
  • the container housing 3 for example, by means of corresponding engagement means against rotation in the housing 2 sit (not shown).
  • FIG. 2 is a detailed view of that shown in FIG.
  • the ring 8 has a substantially L-shaped cross-section and comprises on an upper side the locking lug 9, which is locked in the assembled state in a corresponding groove of the housing 2.
  • Locking connection at the same time be provided a frictional engagement, which prevents unintentional rotation of the ring 8.
  • an actuator 11 is provided which extends around the outlet tube 4.
  • Actuator may be substantially annular
  • the actuating element 11 comprises at least one tooth 12. Upon depression of the container, of which only the front tapered region 5 and the outlet tube 4 can be seen, the actuating element 11 is pressed down, so that the tooth 12 with a toothed rim 13, which part of the ring 8 is engaged. The ring 8 is rotated as a tooth on.
  • a plurality of teeth 12 may be provided.
  • the actuating element 11 is secured in the axial direction via a web 15, which engages under an extension of the latching lug 9.
  • leaf springs 14 are used in this embodiment, which are preferably formed of plastic.
  • the actuating element 11 comprises in this
  • Embodiment a weakening point 16.
  • Point of weakness ensures that the actuator 11, after the tooth 12 can come into engagement with the ring gear 13, the further pressing down to the front
  • the leaf spring 12 is fixed to the spray head housing 6 and extends arcuately to the actuating element eleventh
  • FIG. 3 shows a schematic top view of the ring 8.
  • a trace of the ring gear 13, which is shown in detail in FIG. 4, can be seen.
  • the sprocket 13, seen here in side view comprises teeth 17 which comprise an inclined surface, so that the sprocket 13 is further moved by depressing the tooth 12 by a defined angle.
  • the front, so the direction of rotation facing flanks of the teeth 17 can also have a negative slope, so that the sprocket at an operation something is moved further than the tip of the next tooth, so that the next time the tooth 12 on the
  • the ring 8 comprises on its underside, so the side which the sprocket of the
  • Fig. 6 is a detail view of Fig. 5, in which the ring 8 is shown, which comprises at least one latching hook 21 on its underside. This locking hook 21 is against an underlying sprocket 20th
  • the ring 8 Upon actuation of the device and triggering of the counting mechanism, the ring 8 is further rotated a tooth and the latch hook 21 engages in the next tooth of the ring gear 20 a.
  • the pitch of the ring gear 20 corresponds to this
  • Fig. 7 shows schematically a side view of a
  • Device 1 for dispensing a metered dose inhaler.
  • a window 22 through which a Zählmark ist 23, which is mounted on the ring 8 of FIG. 1 or FIG. 6, can be seen.
  • the counting mechanism starts at 300 and counts down in increments of ten, that is, the 300 shown here gradually moves in one direction, so that the next number is 290.
  • a particularly simple, reliable, inexpensive and compact counting mechanism could be provided.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un dispositif (1) servant à distribuer un aérosol dosé, doté d'un système de comptage qui comprend une bague (8) s'étendant le long d'une paroi intérieure du boîtier (2) avec des repères de comptage disposés sur sa face extérieure.
PCT/EP2013/052079 2012-02-02 2013-02-01 Dispositif de distribution d'un aérosol dosé WO2013113899A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012001901 2012-02-02
DE102012001901.7 2012-02-02

Publications (1)

Publication Number Publication Date
WO2013113899A1 true WO2013113899A1 (fr) 2013-08-08

Family

ID=47780023

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/052079 WO2013113899A1 (fr) 2012-02-02 2013-02-01 Dispositif de distribution d'un aérosol dosé

Country Status (1)

Country Link
WO (1) WO2013113899A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11020548B2 (en) * 2012-09-06 2021-06-01 Kindeva Drug Delivery L.P. Dose indicators with a resilient deformable element

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114617A2 (fr) * 1983-01-22 1984-08-01 Ing. Erich Pfeiffer GmbH & Co. KG Dispositif de dosage actif à la main
WO1996039337A1 (fr) * 1995-06-06 1996-12-12 Senetics, Inc. Dispositif indicateur actionne par une force axiale
FR2869708A1 (fr) * 2004-04-29 2005-11-04 Valois Sas Indicateur pour dispositif de distribution de produit fluide ou pulverulent
WO2011063067A1 (fr) * 2009-11-23 2011-05-26 3M Innovative Properties Company Compteur de doses

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114617A2 (fr) * 1983-01-22 1984-08-01 Ing. Erich Pfeiffer GmbH & Co. KG Dispositif de dosage actif à la main
WO1996039337A1 (fr) * 1995-06-06 1996-12-12 Senetics, Inc. Dispositif indicateur actionne par une force axiale
FR2869708A1 (fr) * 2004-04-29 2005-11-04 Valois Sas Indicateur pour dispositif de distribution de produit fluide ou pulverulent
WO2011063067A1 (fr) * 2009-11-23 2011-05-26 3M Innovative Properties Company Compteur de doses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11020548B2 (en) * 2012-09-06 2021-06-01 Kindeva Drug Delivery L.P. Dose indicators with a resilient deformable element

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