Patent ID: 11857767
Assignee: WEST PHARMA. SERVICES IL, LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. An injector comprising:
a body;
an injection needle movably mounted to the body, the injection needle being displaceable between a retracted position and an injection position;
a pathway within the body for receiving a cartridge, the pathway including a proximal opening for receiving the cartridge therethrough and a coupler mounted at a distal end of the pathway and engageable with the cartridge for fluidly connecting the cartridge with the injection needle; and
an adapter collar mounted within the pathway and configured to receive the cartridge therethrough upon insertion of the cartridge into the pathway and configured to engage a portion of the cartridge to stabilize the cartridge within the pathway, the adapter collar comprising a disk and fingers that are cantilevered, angularly spaced apart from each other, and that project from the disk, the fingers being oriented in an unbiased, radially inwardly projecting closed position covering the coupler, and the fingers being deflectable distally and radially outwardly relative to one another by the cartridge into an open position exposing the coupler upon advancement of the cartridge through the disk.