EP4673262A1 - Dispositif de distribution de produit fluide - Google Patents
Dispositif de distribution de produit fluideInfo
- Publication number
- EP4673262A1 EP4673262A1 EP24714983.4A EP24714983A EP4673262A1 EP 4673262 A1 EP4673262 A1 EP 4673262A1 EP 24714983 A EP24714983 A EP 24714983A EP 4673262 A1 EP4673262 A1 EP 4673262A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insert
- cannula
- cup
- front part
- reservoir
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
-
- 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
Definitions
- the present invention relates to a fluid product dispensing device, in particular intended for the administration of pharmaceutical product, in particular to small animals, such as for example mice.
- these devices generally use a small diameter cannula to distribute the fluid product, typically with an external diameter of 0.7 mm and an internal diameter of 0.4 mm.
- a small diameter cannula to distribute the fluid product, typically with an external diameter of 0.7 mm and an internal diameter of 0.4 mm.
- this achieves a dose distribution in the form of a rectilinear jet, whereas it is preferable to be able to achieve this distribution in the form of a spray.
- a spray with a Dv50 of less than 30 pm is desirable.
- the aim of the present invention is to provide a fluid product dispensing device which does not reproduce the aforementioned drawbacks.
- the present invention aims in particular to provide a fluid product dispensing device which makes it possible to dispense the fluid product at the outlet of a small diameter cannula in the form of a spray.
- the present invention also aims to provide a fluid product dispensing device which is simple and reliable to use.
- the present invention also aims to provide a fluid product dispensing device which makes it possible to dispense several doses in several successive uses.
- the present invention also aims to provide a fluid product dispensing device which allows the dosage to be modified with each use.
- the present invention also aims to provide a fluid product dispensing device which is simple and inexpensive to manufacture and assemble.
- the present invention therefore relates to a fluid product dispensing device comprising a reservoir adapted to contain at least one dose of fluid product and a dispensing head fixed to said reservoir, said dispensing head comprising a cannula provided with a front part, said cannula comprising a spray tip inserted into said front part, said spray tip comprising an insert and a cup, said cup being arranged above said insert and comprising an axial orifice forming a dispensing orifice, said insert being provided with a spray profile comprising at least one non-radial groove, at least one wall part running along each non-radial groove, and a central swirl chamber defined radially inside said at least one wall part.
- said insert comprises at least one external groove, preferably axial, extending over the entire axial length of the insert, to allow the passage of fluid during actuation.
- said insert comprises at least two external grooves.
- said at least two non-radial grooves and said at least two wall portions connect said at least two external grooves.
- said insert and said cup are force-fitted into said front part of said cannula.
- said cup comprises a hollow cylindrical sleeve containing a truncated cone-shaped hollow which narrows towards the front part of the cup, where said truncated cone-shaped hollow connects to a cylindrical hollow forming said dispensing orifice.
- said insert and said cup are entirely arranged inside said front part of said cannula.
- said dispensing head is removably connected to said reservoir.
- said dispensing head is removably fixed to said reservoir, in particular via a Luer type fixing, said cannula being fixed, in particular welded, to said dispensing head.
- the external diameter of said front part of said cannula is less than 1 mm, advantageously less than 0.8 mm, preferably approximately 0.7 mm.
- the internal diameter of said front part of said cannula is less than 0.7 mm, advantageously less than 0.5 mm, preferably approximately 0.4 mm.
- said reservoir is a syringe comprising a body and a piston sliding in said body during actuation.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2301968A FR3146289B1 (fr) | 2023-03-02 | 2023-03-02 | Dispositif de distribution de produit fluide |
| PCT/FR2024/050261 WO2024180304A1 (fr) | 2023-03-02 | 2024-03-01 | Dispositif de distribution de produit fluide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4673262A1 true EP4673262A1 (fr) | 2026-01-07 |
Family
ID=86657480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24714983.4A Pending EP4673262A1 (fr) | 2023-03-02 | 2024-03-01 | Dispositif de distribution de produit fluide |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4673262A1 (fr) |
| CN (1) | CN121263254A (fr) |
| FR (1) | FR3146289B1 (fr) |
| WO (1) | WO2024180304A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1136942A (fr) * | 1955-10-21 | 1957-05-21 | Embout de canule pour injections | |
| PT689874E (pt) * | 1994-06-28 | 2002-03-28 | Aventis Behring Gmbh | Dispositivo para a pulverizacao de uma mistura de dois componentes |
| DE19622124A1 (de) * | 1996-06-01 | 1997-12-04 | Alfred Von Schuckmann | Gerät zum Aufbringen von Flüssigkeiten |
| JP5936991B2 (ja) * | 2012-10-31 | 2016-06-22 | 株式会社吉野工業所 | 噴出ヘッド及び、それを備える容器 |
| FR3073154B1 (fr) * | 2017-11-06 | 2020-09-18 | Lindal France | Buse en deux pieces pour diffuseurs d'aerosol |
-
2023
- 2023-03-02 FR FR2301968A patent/FR3146289B1/fr active Active
-
2024
- 2024-03-01 EP EP24714983.4A patent/EP4673262A1/fr active Pending
- 2024-03-01 CN CN202480029389.4A patent/CN121263254A/zh active Pending
- 2024-03-01 WO PCT/FR2024/050261 patent/WO2024180304A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024180304A1 (fr) | 2024-09-06 |
| FR3146289B1 (fr) | 2025-08-22 |
| CN121263254A (zh) | 2026-01-02 |
| FR3146289A1 (fr) | 2024-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20250930 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Free format text: CASE NUMBER: UPC_APP_0010143_4673262/2026 Effective date: 20260317 |