| 摘要 |
<p>A self-destructive syringe with drug dissolved for once includes a needle (1),a cylinder (2),a core rod (3),a first ratchet groove (4),a second ratchet groove (5),a third ratchet groove (6),a fourth ratchet groove (7),a mounting hole (8),a non-return element (9),a non-return pike (10),a ratchet(11),a sealing stop (12),a reciprocating part (13,14),a break part (15) and scale lines (16). The needle (1) is adhered on the cylinder (2) or a needle bar with the needle (1) is sheathed on the cylinder (2),the non-return element (9) is mounted in the slot of the core rod (3) via the mounting hole (8),and mounted between the third ratchet groove (6) and the fourth ratchet groove (7)?</p> |
