System comprising a nozzle and a fixing means therefor

Details System comprising a nozzle and a fixing means therefor System comprising a nozzle and a fixing means therefor

B - Operations, Transporting

05

B

B05B 15/06 (2006.01) A61M 11/00 (2006.01) B05B 1/26 (2006.01) B05B 11/00 (2006.01)

Patent

CA 2484578

The invention relates to a nozzle system (1) for a liquid-dispensing device, comprising a nozzle (3) and a device (2, 4) fixing the nozzle (3) in the dispensing device. Said dispensing device, a nebulizer, is provided with a liquid reservoir (71) from which a liquid (72) is forced through the nozzle (3) by applying pressure. The nozzle-fixing device (4) can be fixed by a second fixing device, e.g. in the form of a cap nut (2), or the nozzle-fixing device is embodied as a cap nut (2). The side of the inventive fixing device, which faces the outlet of the nozzle, is provided with a specific geometry minimizing the portion of dispensed liquid (72) that is deposited on the fixing device. Preferably, the inventive nozzle system is part of a propellant- free device for nebulizing pharmaceutical liquids.

L'invention concerne un système de diffusion (1) destiné à un dispositif de distribution de liquides, ce système comprenant une buse (3) et un dispositif (2 ; 4) servant à maintenir la buse (3) dans le dispositif de distribution. Ce dispositif de distribution, qui se présente en particulier sous la forme d'un atomiseur, comprend un réservoir à liquide (71) à partir duquel un liquide (72) sous pression est projeté par l'intermédiaire de la buse (3). Le dispositif de maintien (4) peut être lui-même maintenu par un second dispositif de maintien, p. ex. une collerette de fixation (2), ou le dispositif de maintien est lui-même une collerette de fixation (2). Selon l'invention, ce dispositif de maintien présente côté sortie de la buse une forme particulière permettant de minimiser la quantité de liquide (72) distribué se déposant sur le dispositif de maintien. Le système selon l'invention est destiné de préférence à être intégré dans un appareil sans gaz propulseur servant à pulvériser des liquides pharmaceutiques.

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