Pen-type injector having an electronic control unit

  • US 6,869,413 B2
  • Filed: 12/21/2001
  • Issued: 03/22/2005
  • Est. Priority Date: 12/22/2000
  • Status: Active Grant
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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 arrangement;

    a processor to control the drive mechanism;

    a dispense button to generate a signal to the processor to cause the medicament to be expelled; and

    a priming detector to detect a predetermined orientation of the injection device, characterised in that when the predetermined orientation is detected the processor will only actuate the drive mechanism to expel a small amount of medicament.

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