Patent ID: 11938094
Assignee: CAREFUSION 303, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. A method, comprising:
coupling a cartridge to a pump head of a compounder system, the cartridge having a body enclosing a plurality of fluid pathways, a dual-lumen needle extending from the body and having a first lumen having upper and lower fluid ports and fluidly coupled to at least one of the fluid pathways, a second lumen having upper and lower gas ports and fluidly coupled to a gas pathway, a vertical divider between the first lumen and the second lumen, a first channel definition member disposed on a first lumen side of the vertical divider and configured to shape and size the first lumen, and a second channel definition member disposed on a second lumen side of the vertical divider and configured to shape and size the second lumen, wherein the lower fluid port and the lower gas port are horizontally spaced apart 180 degrees and a bellows forming a cavity within which the dual-lumen needle is disposed; and
extending the dual-lumen needle into a vial by compressing the bellows with the vial, comprising moving the vial toward the cartridge such that a tip of the dual-lumen needle extends into the vial.