Recyclable medication dispensing device

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/315 (2006.01) A61M 5/24 (2006.01)

Patent

CA 2213682

A multi-use pen-shaped medication dispensing device (20) made of a plastic material that is recyclable after the contents of the medication cartridge (40) have been exhausted. The device (20) is made of a minimal number of parts, which include a housing (22), a dial assembly (34), a generally cylindrical button assembly (32) located within the proximal end (50) of the dial assembly (34), an internally threaded nut (36), and an externally threaded leadscrew (38). The device (20) is arranged so that the dial (34) must be rotated to the zero dose position prior to setting a dose. The device (20) includes a lockout mechanism (52) that prevents the dial (34) from being depressed during dosing. The device (20) further includes a mechanism (157) that limits the maximum dosage that can be dialed up and a mechanism (230, 234) that prevents the user from dialing up a dosage greater than that remaining in the cartridge (40).

L'invention porte sur un distributeur (20) de médicament, polyvalent, de la forme d'un stylo, en matière plastique et recyclable après épuisement du contenu de la cartouche à médicament (40). Ce dispositif (20), dans la fabrication duquel entre un nombre minimal d'éléments, comprend un logement (22), un ensemble rotatif (34), un ensemble bouton (32) de forme générale cylindrique, situé dans l'extrémité proximale (50) de l'ensemble rotatif (34), un écrou fileté intérieurement (36) et une tige filetée extérieurement (38). Ce dispositif (20) est conçu de telle sorte qu'il faille faire tourner l'ensemble rotatif (34) jusqu'à la position de dosage zéro avant de régler une dose de médicament. En sus d'un mécanisme de verrouillage (52), qui empêche d'enfoncer l'ensemble rotatif (34) durant le dosage, le dispositif (20) comporte un mécanisme (157) qui limite le dosage maximal pouvant être sélectionné, ainsi qu'un mécanisme (230, 234) interdisant à l'utilisateur de sélectionner un dosage supérieur à la quantité restante dans la cartouche (40).

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