Device for needle-free injection, useful e.g. for subcutaneous or intramuscular administration, comprises injection and ampoule units, the latter having a base component and jacket that exerts a compressive force

摘要

Injection device (A) for needle-free injection of a medium comprises an injection unit (1) and an ampoule unit (2), where (2) includes (i) a base component (4), for storing the medium (3) to be injected, and (ii) a jacket (5) that exerts a compressive force on (4). An independent claim is included for the ampoule unit (2) itself.