Handheld sprayer with removable cartridge and method of...

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 5/16 (2006.01) A61M 15/02 (2006.01)

Patent

CA 2654904

A cartridge (20) for a handheld electrohydrodynamic (EHD) spraying device (10) and a spraying device incorporating the cartridge (20). The cartridge (20) is disposable, and can contain therapeutic products. The device includes a wetted lead screw (40) with a compliant seal (70), where the placement of the seal (70) relative to the screw inhibits leakage during both cartridge use and storage. A frame disposed within the cartridge (20) acts as a load-transferring mechanism for the weight of the cartridge (20) to a handle (26) of the spraying device (10).

L'invention concerne une cartouche (20) pour un mécanisme portable de pulvérisation électrohydrodynamique (EHD)(10) et un mécanisme de pulvérisation incorporant la cartouche (20). La cartouche (20) est jetable et peut contenir des produits thérapeutiques. Le mécanisme comprend une vis-mère mouillée (40) avec un joint adéquat (70), la position du joint (70) par rapport à la vis empêchant les fuites à la fois pendant l'utilisation de la cartouche et lorsque le mécanisme est rangé. Une armature placée à l'intérieur de la cartouche (20) agit comme un mécanisme de transfert de charge du poids de la cartouche (20) vers une poignée (26) du mécanisme de pulvérisation (10).

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