Disposable cartridge for a drug delivery device
AssigneeSanofi-Aventis Deutschland GmbH
InventorsMichael Schabbach, Meinolf Werner, Olaf Zeckai
Life of this patent
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Abstract
A disposable cartridge for a drug delivery device includes a flexible bag to accommodate a liquid medicament and having an opening adjacent to a sidewall, a socket having a fluid channel in fluid communication with a cartridge fluid coupling, and a housing covering at least a portion of the flexible bag and having a receptacle to receive the socket with the flexible bag. The socket extends into the opening of the flexible bag. The flexible bag's sidewall is fixed between the socket and the receptacle.
Claims17
A disposable cartridge for a drug delivery device, the cartridge comprising:
- a flexible bag to accommodate a liquid medicament, the flexible bag having a sidewall and an opening adjacent to the sidewall, and
- a socket comprising a socket sidewall extending in a longitudinal direction and having a fluid channel in fluid communication with a cartridge fluid coupling,
- a housing covering at least a portion of the flexible bag and having a receptacle sized to receive the socket,
- wherein the socket extends longitudinally into the opening of the flexible bag,
- wherein the socket comprises a front face adjoining the socket sidewall and being located inside the flexible bag,
- wherein the fluid channel extends into a central portion of the front face,
- wherein the socket comprises a fluid groove extending from a periphery of the front face into the fluid channel, and
- wherein the sidewall of the flexible bag is fixed between the socket and the receptacle.
A drug delivery device for dispensing of a liquid medicament, comprising:
- a housing having at least one feeder member,
- a disposable injector comprising an injection needle, a flexible tube, and an injector fluid coupling,
- wherein the injection needle is in fluid communication with the injector fluid coupling via the flexible tube, and
- a disposable cartridge comprising a flexible bag to accommodate a liquid medicament, the flexible bag having a sidewall and an opening adjacent to the sidewall, a socket comprising a socket sidewall extending in a longitudinal direction and having a fluid channel in fluid communication with a cartridge fluid coupling, and a housing covering at least a portion of the flexible bag and having a receptacle sized to receive the socket,
- wherein the socket comprises a front face adjoining the socket sidewall and being located inside the flexible bag and the fluid channel extends into a central portion of the front face,
- wherein the socket comprises a fluid groove extending from a periphery of the front face into the fluid channel,
- wherein the socket extends longitudinally into the opening of the flexible bag, and
- wherein the sidewall of the flexible bag is fixed between the socket and the receptacle.
A disposable cartridge for a drug delivery device, the cartridge comprising:
- a flexible bag to accommodate a liquid medicament, the flexible bag having a sidewall and an opening adjacent to the sidewall, and
- a socket having a fluid channel in fluid communication with a cartridge fluid coupling,
- wherein the socket extends into the opening of the flexible bag,
- wherein the socket comprises a front face located inside the flexible bag,
- wherein the fluid channel extends into a central portion of the front face,
- wherein the socket comprises a fluid groove extending from a periphery of the front face into the fluid channel, and
- wherein a size or cross-section of the fluid groove is smaller than a bending or folding radius of the flexible bag.
Dependencies are inferred from the claim text.