| 摘要 |
PCT No. PCT/AU92/00178 Sec. 371 Date Oct. 18, 1993 Sec. 102(e) Date Oct. 18, 1993 PCT Filed Apr. 21, 1992 PCT Pub. No. WO92/18186 PCT Pub. Date Oct. 29, 1992A syringe for administering a medicament having a barrel provided with a needle attachment member to which a needle may be mounted and which is retained by a catch at one end of the barrel, and a plunger which is movable in the barrel to expel medicament through the needle attachment member and needle. The plunger is hollow and contains a vacuum and is provided with a gripping member at one end which closes one end of the plunger and which when the plunger is advanced can engage the needle attachment member to releases its catch and withdraw the needle attachment member and mounted needle into the plunger.
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