abstract |
A cartridge adapter (200, 300, 400, 500) for securing a cartridge (120) having a bead at the distal end (130) within a drug delivery device is disclosed. The adapter comprises: a main body (202, 301, 401, 501) having a proximal end (206, 310, 404, 508), a distal end (208, 308, 402, 510), and a bore (204, 406, 506) that receives the cartridge, the main body further comprising a first segment (209, 302, 408, 410, 505) and a second segment (210, 304); and a retention feature (218, 312, 408, 410, 514) on the main body suitable for snapping under the bead of the cartridge for securing the adapter to the cartridge. |