EP1100622B1 - Tete de distribution nasale et dispositif de distribution de produit fluide comportant une telle tete - Google Patents
Tete de distribution nasale et dispositif de distribution de produit fluide comportant une telle tete Download PDFInfo
- Publication number
- EP1100622B1 EP1100622B1 EP99934792A EP99934792A EP1100622B1 EP 1100622 B1 EP1100622 B1 EP 1100622B1 EP 99934792 A EP99934792 A EP 99934792A EP 99934792 A EP99934792 A EP 99934792A EP 1100622 B1 EP1100622 B1 EP 1100622B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- insert
- head
- frustoconical
- expulsion 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
Links
Images
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
- B05B1/3442—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 cone having the same axis as the outlet
Description
- la figure 1 est une vue schématique en section transversale d'une tête de distribution selon un mode de réalisation préféré de la présente invention,
- la figure 2 est une vue de détail agrandie de la tête de distribution de la figure 1.
- le poussoir peut être réalisé avec une extrémité hémisphérique, ce qui favorise l'utilisation à la fois chez l'adulte et l'enfant, sans problème de qualité de moulage au niveau de l'extrémité de la tête ;
- la surface de contact entre l'insert et le profil de pulvérisation est augmentée du fait de la portée conique, ce qui diminue le risque de bouchage à ce niveau ;
- l'insert peut être réalisé en un matériau, tel que du prolypopylène ou de l'acétal, qui permet de réduire encore davantage le risque de bouchage du poussoir.
Claims (6)
- Tête de distribution nasale (10) pour un dispositif de distribution de produit fluide, ladite tête (10) comportant un canal d'expulsion (11) se terminant par un orifice de distribution (12), un insert (20) étant disposé dans ledit canal d'expulsion (11), l'extrémité aval (21) dudit insert (20), dans le sens d'écoulement du produit, définissant avec la partie d'extrémité aval dudit canal d'expulsion (11) un profil de pulvérisation (13, 14), caractérisée en ce que ladite extrémité aval (21) dudit insert (20) et ladite partie d'extrémité aval dudit canal d'expulsion (11) sont respectivement tronconiques, formant un profil de pulvérisation (13, 14) tronconique, ledit insert (20) remplissant sensiblement la totalité du volume du canal d'expulsion (11) pour définir un canal d'expulsion (11) étroit.
- Tête de distribution selon la revendication 1, dans laquelle ledit profil de pulvérisation comporte au moins un canal de tourbillonnement (14) et une chambre de tourbillonnement (13), ladite chambre de tourbillonnement (13) étant directement reliée audit orifice de distribution (12) .
- Tête de distribution selon la revendication 2, dans laquelle ledit au moins un canal de tourbillonnement (14) relie le canal d'expulsion (11) à ladite chambre de tourbillonnement (13), le ou les canaux (14) étant formé(s) sur la partie conique du profil de pulvérisation tronconique et ladite chambre de tourbillonnement (13) étant formée sur le sommet du tronc de cône du profil de pulvérisation tronconique.
- Tête de distribution selon l'une quelconque des revendications précédentes, dans laquelle ledit profil de pulvérisation tronconique (13, 14) est formé par des rainures ménagées dans les parois du canal d'expulsion (11), ledit insert (20) formant le fond desdites rainures.
- Tête de distribution selon l'une quelconque des revendications précédentes, dans laquelle l'extrémité de ladite tête (10) incorporant ledit orifice de distribution (12) est hémisphérique.
- Dispositif de distribution de produit fluide comportant une tête de distribution (10) selon l'une quelconque des revendications précédentes.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9809984 | 1998-08-04 | ||
FR9809984A FR2782024B1 (fr) | 1998-08-04 | 1998-08-04 | Tete de distribution et dispositif de distribution de produit fluide comportant une telle tete |
PCT/FR1999/001857 WO2000007736A1 (fr) | 1998-08-04 | 1999-07-28 | Tete de distribution et dispositif de distribution de produit fluide comportant une telle tete |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1100622A1 EP1100622A1 (fr) | 2001-05-23 |
EP1100622B1 true EP1100622B1 (fr) | 2004-01-02 |
Family
ID=9529371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99934792A Expired - Lifetime EP1100622B1 (fr) | 1998-08-04 | 1999-07-28 | Tete de distribution nasale et dispositif de distribution de produit fluide comportant une telle tete |
Country Status (7)
Country | Link |
---|---|
US (1) | US6585172B2 (fr) |
EP (1) | EP1100622B1 (fr) |
JP (1) | JP4319783B2 (fr) |
CN (1) | CN1106884C (fr) |
DE (1) | DE69913971T2 (fr) |
FR (1) | FR2782024B1 (fr) |
WO (1) | WO2000007736A1 (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2832079B1 (fr) * | 2001-11-14 | 2004-07-30 | Valois Sa | Tete de distribution et distributeur de produit fluide comportant une telle tete de distribution |
GB0309354D0 (en) | 2003-04-24 | 2003-06-04 | Glaxo Group Ltd | Nozzle for a nasal inhaler |
US7382864B2 (en) * | 2005-09-15 | 2008-06-03 | General Electric Company | Systems, methods and apparatus of a composite X-Ray target |
JP2011511674A (ja) | 2008-02-07 | 2011-04-14 | ユニヴァーシティ オブ ワシントン | 周方向エアロゾルデバイス |
WO2011013003A2 (fr) | 2009-07-31 | 2011-02-03 | Shin Nippon Biomedical Laboratories, Ltd. | Granisétron pour administration intranasale et applicateur nasal |
FR2962351B1 (fr) * | 2010-07-09 | 2015-01-16 | Valois Sas | Tete de pulverisation pour dispositif de distribution de produit fluide. |
CA2817482C (fr) * | 2010-11-12 | 2018-10-30 | Wolfe Tory Medical, Inc. | Atomiseur pour therapie nasale |
ES2659761T3 (es) | 2011-01-31 | 2018-03-19 | Shin Nippon Biomedical Laboratories, Ltd. | Dispositivos de administración intranasal |
BR122021002471B8 (pt) | 2011-03-03 | 2022-10-25 | Impel Neuropharma Inc | Dispositivo de distribuição de droga nasal |
CN107376071B (zh) | 2011-05-09 | 2021-07-09 | 英倍尔药业股份有限公司 | 用于将化合物递送到使用者的上部嗅觉区的喷嘴 |
EP2991713B1 (fr) | 2013-04-28 | 2019-06-19 | Impel Neuropharma Inc. | Récipient à dose unitaire médical |
EP3046681B1 (fr) * | 2013-09-16 | 2020-08-26 | Graco Minnesota Inc. | Buse de pulvérisation et procédé de fabrication |
US10913079B2 (en) | 2015-04-20 | 2021-02-09 | Wagner Spray Tech Corporation | Low pressure spray tip configurations |
JP6753927B2 (ja) | 2015-09-10 | 2020-09-09 | インペル ニューロファーマ インコーポレイテッド | 直列形経鼻送達デバイス |
US11744967B2 (en) | 2017-09-26 | 2023-09-05 | Shin Nippon Biomedical Laboratories, Ltd. | Intranasal delivery devices |
EP3713628A4 (fr) | 2017-11-21 | 2021-08-18 | Impel Neuropharma Inc. | Dispositif intra-nasal avec tube plongeur |
CA3081680A1 (fr) | 2017-11-21 | 2019-05-31 | Impel Neuropharma, Inc. | Dispositif intra-nasale avec interface d'entree |
CA3088942C (fr) | 2018-01-05 | 2023-01-03 | Impel Neuropharma, Inc. | Administration intranasale de dihydroergotamine par un dispositif olfactif de precision |
JP2021509677A (ja) | 2018-01-05 | 2021-04-01 | インペル ニューロファーマ インコーポレイテッド | 精密嗅覚装置によるオランザピンの鼻孔間送達 |
US20190283054A1 (en) | 2018-03-15 | 2019-09-19 | Wagner Spray Tech Corportaion | Spray tip design and manufacture |
US11517548B2 (en) | 2018-07-19 | 2022-12-06 | Impel Pharmaceuticals Inc. | Respiratory tract delivery of levodopa and DOPA decarboxylase inhibitor for treatment of Parkinson's Disease |
EP3906017A4 (fr) | 2019-01-03 | 2022-12-28 | Impel Pharmaceuticals Inc. | Dispositif d'administration de médicament par voie nasale |
US11878109B2 (en) | 2019-05-17 | 2024-01-23 | Impel Pharmaceuticals Inc. | Single-use nasal delivery device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE91908C (fr) * | ||||
DE473136C (de) * | 1929-03-12 | Paul Lechler Fa | Duesenkopf mit mehreren zur Laengsachse geneigten Einzelduesen | |
BE510614A (fr) * | ||||
FR2318684A1 (fr) * | 1975-05-02 | 1977-02-18 | Michard Joseph | Lance de projection d'eau a jets tourbillonnaires |
CA1077001A (fr) * | 1976-10-21 | 1980-05-06 | Winfried J. Werding | Appareil servant a l'evacuation de produits gazeux, liquides ou pateux, et procede de fabrication |
US4479593A (en) * | 1982-07-09 | 1984-10-30 | Bundschuh Robert L | Pump dispenser with adjustable nozzle |
FR2547737B1 (fr) | 1983-06-24 | 1988-04-08 | Valois Sa | Embout-poussoir pour pulverisateur medical |
FR2622478B1 (fr) * | 1987-11-03 | 1990-03-30 | Valois | Gicleur pour vaporisateur du type valve pour aerosols |
DE4137799A1 (de) * | 1991-11-16 | 1993-05-19 | Pfeiffer Erich Gmbh & Co Kg | Austragvorrichtung fuer medien |
US5593094A (en) * | 1995-02-07 | 1997-01-14 | Calmar Inc. | Pump sprayer having variable discharge |
-
1998
- 1998-08-04 FR FR9809984A patent/FR2782024B1/fr not_active Expired - Fee Related
-
1999
- 1999-07-28 EP EP99934792A patent/EP1100622B1/fr not_active Expired - Lifetime
- 1999-07-28 CN CN99810674A patent/CN1106884C/zh not_active Expired - Fee Related
- 1999-07-28 JP JP2000563406A patent/JP4319783B2/ja not_active Expired - Fee Related
- 1999-07-28 WO PCT/FR1999/001857 patent/WO2000007736A1/fr active IP Right Grant
- 1999-07-28 DE DE69913971T patent/DE69913971T2/de not_active Expired - Lifetime
-
2001
- 2001-02-02 US US09/762,093 patent/US6585172B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1100622A1 (fr) | 2001-05-23 |
DE69913971T2 (de) | 2004-10-28 |
WO2000007736A1 (fr) | 2000-02-17 |
FR2782024A1 (fr) | 2000-02-11 |
CN1106884C (zh) | 2003-04-30 |
US6585172B2 (en) | 2003-07-01 |
JP2002522206A (ja) | 2002-07-23 |
FR2782024B1 (fr) | 2000-10-13 |
DE69913971D1 (de) | 2004-02-05 |
JP4319783B2 (ja) | 2009-08-26 |
CN1316925A (zh) | 2001-10-10 |
US20020134863A1 (en) | 2002-09-26 |
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