Pen-type injector having an electronic control unit

Details Pen-type injector having an electronic control unit Pen-type injector having an electronic control unit

A - Human Necessities

61

M

A61M 5/24 (2006.01) A61M 5/142 (2006.01) A61M 5/145 (2006.01) A61M 5/172 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2430928

An injection device having a drive mechanism 42 to expel selectively a dose of medicament from a medicament cartridge 40 through a needle unit 22 is disclosed. The injection device further comprises an electronic control unit to control the drive mechanism 42, and a dispense button 18 to generate a dispense button signal to the electronic control unit indicative of the dose to be expelled in which an arm button 16 causes a first arm button signal to be sent to the electronic control unit to permit the dose to be expelled.

La présente invention concerne un dispositif d'injection comprenant un mécanisme d'entraînement (42) qui permet d'expulser de façon sélective une dose de médicament d'une cartouche de médicament (40) à travers une unité aiguille (22). Le dispositif d'injection de l'invention comprend en outre une unité de commande électronique destinée à commander le mécanisme d'entraînement (42), et un bouton de délivrance (18) destiné à transmettre à l'unité de commande électronique un signal de bouton de délivrance indiquant la dose à expulser, un bouton d'armement (16) permettant de transmettre à l'unité de commande électronique un premier signal de bouton d'armement afin de permettre l'expulsion de la dose.

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