| 摘要 |
<p>A jet injector having cartridge and power pack assemblies is disclosed. The cartridge assembly includes a tube (18) containing the medicament with a plunger (22) at one end and a stopper (24) at the other end. The plunger (22) is made up of two parts (32, 34) wherein the plunger (22) is movable within the tube lumen to force the stopper (24), against a needle, thereby creating a fluid pathway through the stopper (24).</p> |
