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APPARATUS AND METHOD FOR MEASURING DOSE IN INJECTOR

  • US 20120022458A1
  • Filed: 07/21/2011
  • Published: 01/26/2012
  • Est. Priority Date: 07/21/2010
  • Status: Active Grant
First Claim
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1. An apparatus for measuring a dose in an injector, comprising:

  • a number sleeve that passes through an injector body and is connected to the injector body to be spirally movable, a pattern for dose measurement being formed on an outer periphery of the number sleeve; and

    the injector body comprising;

    a sensor for sensing the pattern formed on the number sleeve when the number sleeve performs a spiral movement; and

    a controller for measuring a dose according to a spiral movement distance of the number sleeve through the sensor.

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