Pen-type injector having an electronic control unit
First Claim
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1. 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, anda 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.
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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.
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Citations
11 Claims
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1. An injection device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification