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Injection device with means for signalling the time since the last injection

  • US 9,314,573 B2
  • Filed: 10/20/2005
  • Issued: 04/19/2016
  • Est. Priority Date: 10/21/2004
  • Status: Expired due to Fees
First Claim
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1. An injection device (102) comprising an electronic control circuit (126,152) comprising:

  • a dosage setting device for setting the dose to be injected;

    a sensor unit arranged to detect the occurrence of an ejection of a drug from the injection device, by determining that a button of the dosage setting device is activated;

    a timer (142) for determining an approximate time elapsed since completion of last ejection;

    a signal emitting device (110,130) being able to emit a signal (114), the signal emitting device (110,130) being controllable by the electric control circuit, so as to emit a time signal that varies with the time elapsed since completion of last ejection,wherein, the emitted time signal consists of a flashing light indicating the time elapsed since completion of last ejection, and wherein the frequency at which the flashing light flashes increases with the time elapsed since completion of last ejection.

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