| 摘要 |
<p>An automatic injector apparatus (10) comprising an outer housing (12), a hypodermic needle (50), a first and second medicament ingredient (104, 108) in a first and second container (18, 20); first and second pistons (106, 110) in the respective containers and a releasable stressed spring arrangement (22, 24) capable of being released twice for movement through a first and second piston moving stroke; a first releasing device (166) for release of the spring arrangement to effect movement of the first piston through an ingredient moving stroke causing the medicament to mix with the medicament in the second container; a second releasing device (158) operable in response to a second actuating procedure for release of the spring arrangement to effect movement of the second piston through an operative stroke causing the hypodermic needle to be moved into the tissue of the patient and the liquid medicament to be moved through the needle.</p> |
