Patent ID: 7837651

Claim:
A drug-delivery infusion pump assembly comprising: a) a drug-delivery infusion pump housing; b) a drug-delivery cassette assembly attachable to the infusion pump housing, the drug delivery cassette comprising: i) a tubing assembly for conveying a drug; ii) a drug-vial spike attached to a base portion, wherein the base portion is adapted to attach to the drug delivery cassette and to connect to and disconnect from the tubing; wherein the drug-delivery cassette assembly defines a co-planar area having a recessed portion for accepting the base portion; and c) a pump-housing door attached to the infusion pump housing, having door-open and door-closed positions, and having drug-vial-aligning fingers which center and align different diameter drug vials when the cassette assembly is attached to the infusion pump housing; the pump-housing door is in the door-closed position; and a drug vial is inserted between the drug-vial-aligning fingers for engagement with the spike.