A hand-held, mechanically-powered (e.g., spring-powered) device designed to inject medication (especially a local anaesthetic, vaccine or medication) transcutaneously into the human body. It is a manually-operated, needleless device that can have various co...
A hand-held, pneumatically-powered device designed to inject medication (especially a local anaesthetic) or vaccine transcutaneously into the human body. It is needleless and may have various configurations according to its application. It will typically be...