Coded drug reservoir connection element with hinge

摘要

A cap for a cartridge having a bead at the distal end is disclosed. The cap comprises:;a main body having a proximal end, a distal end, and a bore that receives the cartridge, the main body further comprising a first segment and a second segment; and a retention feature on the main body suitable for snapping under the bead of the cartridge for securing the cap to the cartridge.

主权项

1. A cartridge adaptor comprising:
a main body having a proximal end, a distal end, and a bore configured to receive a cartridge containing a medicament and having a bead at the distal end, the main body further comprising a first segment attached to a second segment by a hinge that extends along at least a portion of a length of the main body from the proximal end to the distal end or along a chord on the distal top of the main body, and a retention feature on the main body comprising a protrusion located within the bore and suitable for snapping under the bead of the cartridge for securing the cartridge adaptor to the cartridge; wherein an outer surface of the first segment comprises a first outer threaded portion and an outer surface of the second segment comprises a second outer threaded portion.