Aerosol generating and delivery device

B - Operations – Transporting – 05 – D

Patent

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Details

B05D 1/02 (2006.01) B05B 7/32 (2006.01) A61M 11/00 (2006.01)

Patent

CA 2698137

Particular aspects provide novel atomizers for generating particles over a broad range of MMAD size distributions, the eliminating the requirement for an impaction baffle in generating the desired particle sizes. In particular aspects, the atomization means communicates with a remote particle filter member configured and positioned to provide for particle size filtering. In additional aspects, the atomization means communicates with a particle dispersion chamber suitable to impart a desired particle flow pattern to particles within and exiting the dispersion chamber. In further aspects, the atomization means communicates with a nasal, ocular, oral or 'vicinity' adapter. The novel devices provide for targeted (e.g., nasal, ocular, oral, local vicinity), systemic, and/or topical delivery of an atomized liquid (e.g., via the nasal cavity, olfactory region, and mouth). Further exemplary aspects relate to aerosolization and delivery of perfume, fragrance, essential oil or cosmeceutical agents and the like.

L'invention concerne de nouveaux atomiseurs pour la génération de particules dans une plage étendue de granulométries MMAD, rendant superflu tout écran d'impact par la génération de particules aux tailles souhaitées. Selon des aspects particuliers de l'invention, les moyens d'atomisation communiquent avec un élément filtrant de particules distant conçu et positionné pour assurer le filtrage de granulométries. Selon d'autres aspects de l'invention, les moyens d'atomisation communiquent avec une chambre de dispersion de particules adaptée pour conférer un schéma d'écoulement souhaité aux particules à l'intérieur et à la sortie de la chambre de dispersion. Selon d'autres aspects, les moyens d'atomisation communiquent avec un adaptateur nasal, oculaire, oral ou 'de proximité'. Les nouveaux dispositifs assurent une délivrance systémique et/ou topique ciblée (p.ex. nasale, oculaire, orale, locale de proximité) d'un liquide pulvérisé (p.ex par la cavité nasale, la région olfactive et la bouche). D'autres aspects cités en exemples concernent la pulvérisation en aérosol et la délivrance de parfums, fragrances, huiles essentielles ou agents cosméceutiques et équivalent.

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