Infusion Pump Assembly

摘要

An infusion pump assembly is disclosed. The infusion pump assembly includes a locking tab and a pump barrel inside a pump barrel housing, where 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. An infusion pump assembly comprising:
a hub and battery end cap, the end cap comprising:
an opening to a pump barrel, the pump barrel opening being complementary to a locking hub alignment tab; anda first alignment feature, the first alignment feature complementary to a second alignment feature on a reservoir, wherein when the first and second alignment features are aligned, the locking hub alignment tabs are aligned with the hub and battery cap opening.