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Extensible plunger rod for pharmaceutical delivery device

  • US 20060178641A1
  • Filed: 12/02/2005
  • Published: 08/10/2006
  • Est. Priority Date: 12/03/2004
  • Status: Abandoned Application
First Claim
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1. An extensible plunger for a syringe, comprising:

  • an elongate first member; and

    an elongate second member having a piston engagement portion on a distal end thereof for engaging a piston of the syringe for actuation of the piston;

    wherein the first member is axially moveable relative to the second member between a retracted position, in which the first and second members substantially mate with each other, and an extended position, in which the second member substantially extends away from the first member.

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