Patent ID: 8840587
Filing Date: 2014-09-23
Classification: A61J,A61M

Abstract:
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.