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DRUG DELIVERY DEVICE WITH DOSE DIAL SLEEVE ROTATIONAL STOP

  • US 20100331791A1
  • Filed: 05/27/2010
  • Published: 12/30/2010
  • Est. Priority Date: 06/01/2009
  • Status: Active Grant
First Claim
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1. A dose setting mechanism for a drug delivery device, said mechanism comprising:

  • an inner housing having a helical groove along an external surface of said inner housing, said inner housing comprising a first rotational stop member near one end of said helical groove; and

    a dial sleeve rotatably engaged with said helical groove of said inner housing, wherein, when a user rotates said dial sleeve to select a dose, said first rotational stop member prevents said user from selecting a dose greater than a pre-defined maximum selectable dose.

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