Infusion pump assembly

摘要

An infusion pump assembly includes a locking tab and a pump barrel inside a pump barrel housing, the pump barrel accommodates a reservoir assembly. The reservoir assembly includes a reservoir and a plunger rod. The infusion pump assembly also includes a locking disc at a terminus of the pump barrel. The locking disc includes a clearance hole for the plunger rod. The locking disc also includes at least one locking tab notch in close proximity with the locking tab. The locking tab is in moveable engagement with the locking tab notch, and the reservoir moves the locking tab from a locked position to an unlocked position when the plunger rod is inserted through clearance hole. The locking disc rotates upon torque being applied to the reservoir assembly, the locking disc rotating from a non-loaded position to a loaded position with respect to the plunger rod and a drive screw.

主权项

1. A reservoir assembly comprising:
a reservoir, said reservoir having an interior volume and terminating with a hub connector on a first end; a plunger rod, said plunger rod comprising a threaded portion and a notched portion; and a removable filling aid, said filling aid comprising a threaded portion and a handle portion, wherein said threaded portion threads to said threaded portion of said plunger rod; wherein the reservoir is substantially curved; and wherein the plunger rod is substantially curved.