| 摘要 |
SUMMARY Safety syringe comprising a cylindrical tubular cham ber (1), a breakable plunger (2), breakable at a weakened section (9), and a syringe-needle holder (6) which is fixed in the front part (5,5') of the chamber (1) and which has, in its back side, a hollow section that cooperates with a shank (13) which exially protrudes from the plunger (2) in a manner as to fit into the hollow section of the syringe -needle holder (2) to retract same upon drawing the plunger (2) until the needle (7) is found completely inside the chamber (1).
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