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DRIVE MECHANISMS SUITABLE FOR USE IN DRUG DELIVERY DEVICES

  • US 20140316347A1
  • Filed: 06/30/2014
  • Published: 10/23/2014
  • Est. Priority Date: 03/03/2003
  • Status: Active Grant
First Claim
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1. A drive mechanism for use in a drug delivery device comprising:

  • a housing;

    a drive mechanism; and

    a cartridge containing a medicinal product,wherein the drive mechanism comprises,a dose dial sleeve threadedly engaged with housing;

    a dose dial grip rotationally fixed to the dose dial sleeve and configured to rotate in a first direction to increase a set dose and in a second direction to reduce a set dose without dispense of the medicinal product from the cartridge anda drive sleeve rotationally fixed to a clutch and releasably connected to the dose dial sleeve.

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