| 摘要 |
<p>An automatic retractable safe injector for non-liquid medicine includes a needle cylinder (11), a needle seat (13), a spring (12), a cartridge (14) and a retractable rod assembly (15). A bar (1500) in a inner retractable rod (150) of said retractable rod assembly (15) pushes the non-liquid medicine in the cartridge (14), so that the medicine is injected into human body. The needle seat (13), the cartridge (14) and the inner retractable rod (150) could retract into the needle cylinder (11) after injection.</p> |
