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Systems and methods allowing for reservoir filling and infusion medium delivery

  • US 8,840,587 B2
  • Filed: 01/13/2009
  • Issued: 09/23/2014
  • Est. Priority Date: 08/23/2006
  • Status: Active Grant
First Claim
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1. A method for using a system, the system comprising a reservoir, a piston disposed at least partially within the reservoir, a plunger shaft connected to the piston, and a handle, the plunger shaft having a mating portion on an exterior surface of the plunger shaft, the mating portion for mating with a linkage portion of a drive device, the handle having a handle mating portion for mating with the mating portion of the plunger shaft, the method comprising:

  • mating the handle mating portion of the handle with the mating portion of the plunger shaft so as to connect the handle to the plunger shaft;

    establishing a transfer path for transferring an infusion medium from an infusion medium container to the reservoir; and

    pulling the handle to move the plunger shaft so as to move the piston to allow the infusion medium to fill into the reservoir from the infusion medium container;

    wherein at least some of the mating portion of the plunger shaft remains outside of the reservoir while pulling the handle to move the plunger shaft; and

    wherein at least a portion of the mating portion of the plunger shaft remains within the reservoir while the plunger shaft is moved by the handle.

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