Patent ID: 11951279
Assignee: MANNKIND CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A fluid delivery device comprising:
a drive unit including a housing, an actuator, and one or more first features; and
a cartridge comprising a longitudinal axis, wherein the cartridge is filled with a fluid prior to being inserted into the housing, the cartridge having a fluid reservoir sealed at one, first end by a piston and sealed at another, second end by a pierceable septum, the cartridge including or having secured thereto, one or more second features that project radially inwardly or outwardly relative to the longitudinal axis of the cartridge, extend around a circumference of the cartridge, the piston being moveable relative to the cartridge by the actuator once the cartridge is inserted into the drive unit,
wherein, when the cartridge is positioned within the housing the one or more first features of the drive unit are mated with the one or more second features of the cartridge such that the cartridge is translatable relative to the drive unit in a direction perpendicular to the longitudinal axis and prevented from translating relative to the drive unit in a direction parallel to the longitudinal axis.