| 摘要 |
A needleless jet injection device comprising a barrel (1) with one end (4, 5) engaged by a cap (3) which, when these two elements are moved relative to one another, drives an actuating device (2) for engaging a striking member (17) intended to strike the plunger of a cartridge (28) made of an environmentally friendly material and containing the active substance to be injected, said cartridge (28) being arranged at the opposite end of the chargerless barrel (1) and extending along the axis of said striking member (17), any re-use of the device being prevented.
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