Injection device has ampoule body and ampoule piston with channel for filling ampoule chamber with injection medium

摘要

Injection device has an ampoule body (2), an ampule piston (21) with a channel (22) for filling the ampoule chamber with an injection medium. An independent claim is also included for a filler unit for filling the ampule chamber of the an injection device. The unit includes a channel passing through the ampule piston.