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Injection Device

  • US 20080312606A1
  • Filed: 05/27/2005
  • Published: 12/18/2008
  • Est. Priority Date: 05/28/2004
  • Status: Active Grant
First Claim
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1. An injection device comprising:

  • a housing;

    a syringe received within the housing, the syringe having a bore terminating at a forward end in a discharge nozzle and at a rearward end in a flared opening in which a discharge piston having a bore is inserted;

    a drive element having a forward end consisting of a substantially flat edge region that is adapted to bear upon the discharge piston of the syringe and surrounds a projecting middle region that is adapted to be received in the bore of the discharge piston; and

    an actuator for advancing the drive element so as to advance the discharge piston and discharge the contents of the syringe through the discharge nozzle.

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