Patent ID: 11957882
Assignee: ELI LILLY AND COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. A medication delivery device, comprising:
a drive module including a module housing, a motor disposed within the module housing, and a drive gear operably coupled to a shaft of the motor;
a cassette including a cassette housing configured to couple to the module housing, the cassette including a container body holding a medication and defining an outlet, the cassette including a piston disposed within the container body;
a drive ribbon having a helical portion that is axially extendable to advance the piston within the container body to expel the medication through the outlet; and
a thrust member including a driven gear element operably coupled with the drive gear, the thrust member engaged with the drive ribbon and movable to axially extend or retract the helical portion of the drive ribbon without rotation of the helical portion relative to the container body.