Cartridge assembly for a drug delivery device and method for assembling the same
AssigneeSanofi
InventorsSteven Wimpenny, David Aubrey Plumptre, Robert Veasey, Ian McFaul, Hugh Smith, Paul Griffin
Life of this patent
Estimating the term…
Abstract
A cartridge assembly for a drug delivery device can include: a cartridge holder, a cartridge containing a drug, and a fixing member, wherein the cartridge holder includes an interior cartridge holding section, the cartridge being arranged in the cartridge holding section, wherein the fixing member is axially secured to the cartridge holder and secures the cartridge permanently in the cartridge holder.
Claims20
A cartridge assembly for a drug delivery device, comprising:
- a cartridge holder comprising an interior cartridge holding section;
- a cartridge containing a drug, the cartridge being arranged in the interior cartridge holding section;
- and
- a fixing member axially secured to the cartridge holder to secure the cartridge irreleasably in the cartridge holder, wherein a portion of the fixing member is received in the cartridge holder, wherein the fixing member comprises one or more flexible securing fingers to secure the fixing member to the cartridge holder, the one or more flexible securing fingers being resiliently deflectable radially, and wherein the cartridge assembly is configured to be releasably secured to a housing of the drug delivery device.
A drug delivery device, comprising:
- a housing;
- a cartridge holder comprising an interior cartridge holding section, wherein the cartridge holder is releasably secured to the housing;
- a cartridge containing a drug, the cartridge being arranged in the interior cartridge holding section;
- and
- a fixing member axially secured to the cartridge holder to secure the cartridge irreleasably in the cartridge holder, wherein a portion of the fixing member is received in the cartridge holder, wherein the fixing member comprises one or more flexible securing fingers to secure the fixing member to the cartridge holder, the one or more flexible securing fingers being resiliently deflectable radially.
A method of using a drug delivery device comprising a cartridge assembly to dispense a drug from a cartridge of the cartridge assembly, comprising:
- providing the cartridge assembly with a cartridge holder comprising an interior cartridge holding section for receiving the cartridge containing the drug, the cartridge assembly further including a fixing member axially secured to the cartridge holder to secure the cartridge irreleasably in the cartridge holder, wherein a portion of the fixing member is received in the cartridge holder, wherein the fixing member comprises one or more flexible securing fingers to secure the fixing member to the cartridge holder, the one or more flexible securing fingers being resiliently deflectable radially;
- releasably securing the cartridge assembly to a housing of the drug delivery device;
- and
- dispensing the drug from the cartridge of the cartridge assembly.
Dependencies are inferred from the claim text.