Pen-type injector having an electronic control unit
OwnerChristopher Nigel Langley, Shane Alistair Day +2inventors
InventorsChristopher Nigel Langley, Shane Alistair Day, Robert Frederick Veasey, Robert Woolston
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Abstract
An injection device having a drive mechanism to expel selectively a dose of medicament from a medicament cartridge through a needle unit is disclosed. The injection device further comprises an electronic control unit to control the drive mechanism, and a dispense button to generate a dispense button signal to the electronic control unit indicative of the dose to be expelled in which an arm button causes a first arm button signal to be sent to the electronic control unit to permit the dose to be expelled.
Claims11
An injection device, comprising:
- a drive mechanism to expel selectively a dose of medicament from a medicament cartridge through a needle unit;
- an electronic control unit to control the drive mechanism, and
- a dispense button to generate a dispense button signal to the electronic control unit indicative of the dose to be expelled in which an arm button causes a first arm button signal to be sent to the electronic control unit to permit the dose to be expelled,
- wherein the arm button must generate the first arm button signal for a predetermined period of time before the electronic control unit will respond to the dispense button signal.
Dependencies are inferred from the claim text.