Redundant injection device status indication

  • US 10,293,120 B2
  • Filed: 04/10/2015
  • Issued: 05/21/2019
  • Est. Priority Date: 04/10/2015
  • Status: Active Grant
First Claim
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1. A device for delivering a drug from a reservoir comprising:

  • a housing with a space shaped to hold the reservoir and a window adjacent the space;

    said housing defining an optical path from outside the device through the window to an interior of the reservoir such that a payload status of the reservoir can be discerned from a vantage point outside the device;

    a generator of a coded light signal, said generator positioned so that at least a portion of said coded light signal travels along said optical path wherein said interior of said reservoir and said coded light signal are visible along said optical path simultaneously and viewable from said vantage point through the window and reservoir to assess the pay load status of the reservoir such that the payload status of the reservoir can be discerned from the vantage point along the optical path and outside the device.

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