Medicine ejection device

A - Human Necessities – 61 – M

Patent

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A61M 11/00 (2006.01)

Patent

CA 2659708

This medicine ejection device is directed at uniformizing an amount of a medicine inhaled by a user through a mouthpiece: and ejects a predetermined constant amount of the medicine by measuring a remaining amount of the medicine in a reservoir 7 at every inhalation time with the use of a strain gauge 37, which supplies the medicine through a connection tube 8b to an ejection head 8a for ejecting a medicine into a flow path 20 of a mouthpiece 4, so as to compensate for a decrease of an amount to be inhaled due to the deposition of the medicine in a nozzle (orifice) of the ejection head 8a, and by adjusting an ejecting operation duration of the ejection head 8a when the user inhales the medicine next time.

La présente invention concerne un dispositif d'éjection d'un médicament qui est destiné à uniformiser une quantité d'un médicament inhalé par un utilisateur au moyen d'un embout buccal et qui éjecte une quantité constante prédéterminée du médicament en mesurant une quantité restante du médicament dans un réservoir (7) à chaque moment d'inhalation en utilisant un extensomètre (37), qui envoie le médicament au moyen d'une tubulure de raccordement (8b) vers une tête d'éjection (8a) afin d'éjecter un médicament dans un passage (20) d'un embout buccal (4), de manière à compenser une diminution d'une quantité à inhaler due au dépôt du médicament dans une embouchure (orifice) de la tête d'éjection (8a), et en ajustant une durée d'une opération d'éjection de la tête d'éjection (8a) quand l'utilisateur inhale le médicament la fois suivante.

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