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Device and method for determining information related to a medical device

  • US 10,391,235 B2
  • Filed: 07/03/2015
  • Issued: 08/27/2019
  • Est. Priority Date: 03/22/2010
  • Status: Active Grant
First Claim
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1. A method of utilizing a supplementary device to determine information related to an injection device, the method comprising:

  • activating a supplementary device; and

    determining whether an ejection has taken place, wherein determining whether the ejection has taken place comprises differentiating a prime shot from an actual injection based upon ejection sounds sensed by an acoustic sensor, and wherein a first ejection sound produced when performing the prime shot is differentiated acoustically from a second ejection sound produced by the actual injection.

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